{"id":48153,"date":"2026-01-26T01:17:32","date_gmt":"2026-01-26T01:17:32","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=48153"},"modified":"2026-03-07T10:37:29","modified_gmt":"2026-03-07T10:37:29","slug":"how-to-passivate-stainless-steel-tanks","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/","title":{"rendered":"\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\uff1a\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30ac\u30a4\u30c9"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u6975\u3081\u3066\u6e05\u6f54\u3067\u8010\u4e45\u6027\u306e\u3042\u308b\u6750\u6599\u3092\u5fc5\u8981\u3068\u3059\u308b\u8077\u696d\u306b\u5c31\u304f\u4eba\u306f\u3001\u4e0d\u52d5\u614b\u5316\u3068<\/span><a href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u7814\u78e8\/\"> <span style=\"font-weight: 400;\">\u30b9\u30c6\u30f3\u30ec\u30b9\u88fd\u30bf\u30f3\u30af\u3092\u7814\u78e8\u3059\u308b<\/span><\/a><span style=\"font-weight: 400;\">. \u3053\u306e\u624b\u9806\u306f\u7d76\u5bfe\u306b\u7701\u7565\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30bf\u30f3\u30af\u3092\u9306\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5408\u6cd5\u304b\u3064\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u9577\u6301\u3061\u3059\u308b\u3053\u306e\u624b\u9806\u3092\u5fc5\u305a\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u6295\u8cc7\u3092\u5b88\u308a\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u5186\u6ed1\u306b\u9032\u3081\u308b\u305f\u3081\u306e\u5b8c\u74a7\u306a\u9632\u9306\u5c64\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u6bb5\u968e\u7684\u306b\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u3092\u5207\u308a\u66ff\u3048\u308b\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#What_does_Passivation_of_Stainless_Steel_Mean\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3068\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Types_of_Passivation_for_Stainless_Steel_Tanks\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u7a2e\u985e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Passivation_with_Nitric_Acid\" >\u785d\u9178\u306b\u3088\u308b\u4e0d\u52d5\u614b\u5316\u51e6\u7406<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Citric_Acid_Passivation\" >\u30af\u30a8\u30f3\u9178\u306b\u3088\u308b\u4e0d\u6d3b\u6027\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Different_Types\" >\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Preparing_Stainless_Steel_Tanks_for_Passivation\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u6e96\u5099<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Initial_Inspection_Documentation\" >\u521d\u671f\u691c\u67fb\u304a\u3088\u3073\u66f8\u985e\u4f5c\u6210\uff1a\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Cleaning_Degreasing\" >\u6d17\u6d44\u3068\u8131\u8102\uff1a\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Safety_Preparations_PPE\" >\u5b89\u5168\u5bfe\u7b56\u3068\u500b\u4eba\u7528\u4fdd\u8b77\u5177\uff1a\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Core_Process_Validation\" >\u30b3\u30a2\u30d7\u30ed\u30bb\u30b9\u3068\u691c\u8a3c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step%E2%80%91by%E2%80%91Step_Passivation_Process_for_Stainless_Steel_Tanks\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u6bb5\u968e\u7684\u306a\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u30d7\u30ed\u30bb\u30b9<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step_1_Clean_the_Tank_Interior\" >\u30b9\u30c6\u30c3\u30d71\uff1a\u30bf\u30f3\u30af\u5185\u90e8\u3092\u6e05\u6383\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step_2_Prepare_the_Passivation_Solution\" >\u30b9\u30c6\u30c3\u30d72\uff1a\u4e0d\u52d5\u614b\u5316\u6eb6\u6db2\u3092\u6e96\u5099\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step_3_Acid_Bath_or_Circulation\" >\u30b9\u30c6\u30c3\u30d73\uff1a\u9178\u6d74\u307e\u305f\u306f\u5faa\u74b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step_4_Dwell_Time_Temperature_Control\" >\u30b9\u30c6\u30c3\u30d74\uff1a\u6ede\u7559\u6642\u9593\u3068\u6e29\u5ea6\u306e\u5236\u5fa1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step_5_Rinse_Neutralize\" >\u30b9\u30c6\u30c3\u30d75\uff1a\u3059\u3059\u304e\u3068\u4e2d\u548c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Step_6_Drying_Passivation_Completion\" >\u30b9\u30c6\u30c3\u30d76\uff1a\u4e7e\u71e5\u304a\u3088\u3073\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u5b8c\u4e86<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Passivation_Testing_Validation\" >\u4e0d\u52d5\u614b\u5316\u8a66\u9a13\u304a\u3088\u3073\u691c\u8a3c<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Copper_Sulfate_Test\" >\u786b\u9178\u9285\u8a66\u9a13<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Salt_Spray_and_Humidity_Chamber_Tests\" >\u5869\u6c34\u5674\u9727\u8a66\u9a13\u304a\u3088\u3073\u6e7f\u5ea6\u8a66\u9a13<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Potassium_Ferricyanide_Ferroxyl_Test\" >\u30d5\u30a7\u30ea\u30b7\u30a2\u30f3\u5316\u30ab\u30ea\u30a6\u30e0\uff08\u30d5\u30a7\u30ed\u30ad\u30b7\u30eb\uff09\u8a66\u9a13<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Safety_Environmental_Compliance_Considerations\" >\u5b89\u5168\u3001\u74b0\u5883\u3001\u304a\u3088\u3073\u6cd5\u4ee4\u9075\u5b88\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Safe_Acid_Handling_and_Disposal\" >\u9178\u306e\u5b89\u5168\u306a\u53d6\u308a\u6271\u3044\u3068\u5ec3\u68c4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Environmental_Considerations\" >\u74b0\u5883\u3078\u306e\u914d\u616e<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Maintenance_After_Passivation\" >\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u5f8c\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Regular_Cleaning_Schedule\" >\u5b9a\u671f\u6e05\u6383\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#How_to_Handle_Scratches_or_Repairs\" >\u50b7\u306e\u5bfe\u51e6\u6cd5\u3084\u4fee\u7406\u65b9\u6cd5\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#FAQs\" >\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Can_citric_acid_completely_replace_nitric_acid\" >\u30af\u30a8\u30f3\u9178\u306f\u785d\u9178\u3092\u5b8c\u5168\u306b\u4ee3\u66ff\u3067\u304d\u307e\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#How_long_does_passivation_stay_on_tanks_made_of_stainless_steel\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3069\u306e\u304f\u3089\u3044\u306e\u671f\u9593\u6301\u7d9a\u3057\u307e\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Do_all_stainless_steel_tanks_need_to_be_passivated\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u30bf\u30f3\u30af\u306f\u3059\u3079\u3066\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Does_passivation_make_welds_less_likely_to_rust\" >\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306b\u3088\u3063\u3066\u6eb6\u63a5\u90e8\u306e\u9306\u3073\u306b\u304f\u304f\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Which_is_better_passivation_or_pickling\" >\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3068\u9178\u6d17\u51e6\u7406\u3001\u3069\u3061\u3089\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#How_often_should_the_passivation_of_stainless_steel_tanks_be_done_again\" >\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3001\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u518d\u5b9f\u65bd\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Can_passivation_change_the_way_stainless_steel_looks\" >\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306b\u3088\u3063\u3066\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5916\u89b3\u306f\u5909\u5316\u3059\u308b\u306e\u304b\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/#Stainless_Steel_Tanks_Passivation_by_KDM_Steel\" >KDM Steel\u306b\u3088\u308b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_does_Passivation_of_Stainless_Steel_Mean\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3068\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48171\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/What-does-Passivation-of-Stainless-Steel-Mean.jpg\" alt=\"\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e0d\u52d5\u614b\u5316\u3068\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/What-does-Passivation-of-Stainless-Steel-Mean.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/What-does-Passivation-of-Stainless-Steel-Mean-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/What-does-Passivation-of-Stainless-Steel-Mean-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/What-does-Passivation-of-Stainless-Steel-Mean-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3068\u306f\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9306\u3073\u3092\u9632\u3050\u305f\u3081\u306b\u884c\u308f\u308c\u308b\u3001\u5236\u5fa1\u3055\u308c\u305f\u5316\u5b66\u51e6\u7406\u3067\u3059\u3002\u3053\u306e\u51e6\u7406\u306b\u3088\u3063\u3066\u3001\u30bf\u30f3\u30af\u306e\u88fd\u9020\u3001\u6eb6\u63a5\u3001\u8f38\u9001\u4e2d\u306b\u30bf\u30f3\u30af\u4e0a\u90e8\u306b\u6b8b\u3063\u305f\u9244\u304c\u9664\u53bb\u3055\u308c\u307e\u3059\u3002\u91d1\u5c5e\u9244\u306f\u305d\u306e\u5f8c\u3001\u9306\u3073\u3066\u6ed1\u3089\u304b\u306a\u5c64\u3092\u5f62\u6210\u3057\u3001\u9306\u3073\u3084\u6c5a\u308c\u306e\u4fb5\u5165\u3092\u9632\u304e\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u5bc6\u5c01\u3057\u3001\u9306\u3084\u6c5a\u308c\u306e\u4fb5\u5165\u3092\u9632\u3050\u306e\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002\u98df\u54c1\u30fb\u98f2\u6599\u696d\u754c\u3084\u533b\u85ac\u54c1\u696d\u754c\u306a\u3069\u3001\u6750\u6599\u306e\u7d14\u5ea6\u304c\u975e\u5e38\u306b\u91cd\u8996\u3055\u308c\u308b\u696d\u754c\u3067\u306f\u3001\u3053\u306e\u51e6\u7406\u304c\u91cd\u8981\u3067\u3059\u3002.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Passivation_for_Stainless_Steel_Tanks\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u7a2e\u985e<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48172\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Types-of-Passivation-for-Stainless-Steel-Tanks.jpg\" alt=\"\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u7a2e\u985e\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Types-of-Passivation-for-Stainless-Steel-Tanks.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Types-of-Passivation-for-Stainless-Steel-Tanks-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Types-of-Passivation-for-Stainless-Steel-Tanks-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Types-of-Passivation-for-Stainless-Steel-Tanks-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u30d3\u30b8\u30cd\u30b9\u306b\u306f\u5927\u304d\u304f\u5206\u3051\u30662\u3064\u306e\u3084\u308a\u65b9\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u9577\u6240\u3068\u77ed\u6240\u304c\u3042\u308a\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3092\u9078\u3076\u304b\u306f\u3001\u696d\u52d9\u5185\u5bb9\u3001\u9075\u5b88\u3059\u3079\u304d\u898f\u5236\u3001\u305d\u3057\u3066\u5730\u57df\u306e\u6cd5\u5f8b\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Passivation_with_Nitric_Acid\"><\/span><b>\u785d\u9178\u306b\u3088\u308b\u4e0d\u52d5\u614b\u5316\u51e6\u7406<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u3053\u308c\u306fASTM A967\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001\u9577\u5e74\u306b\u308f\u305f\u308a\u884c\u308f\u308c\u3066\u304d\u305f\u3002\u785d\u9178\u3068\u4e8c\u30af\u30ed\u30e0\u9178\u30ca\u30c8\u30ea\u30a6\u30e0\u3092\u6df7\u5408\u3057\u3066\u6eb6\u6db2\u3092\u4f5c\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u3002\u3053\u306e\u6eb6\u6db2\u306f\u904a\u96e2\u9244\u3092\u6eb6\u89e3\u3057\u3001\u5f37\u529b\u306a\u9178\u5316\u30af\u30ed\u30e0\u5c64\u306e\u5f62\u6210\u3092\u4fc3\u9032\u3059\u308b\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Citric_Acid_Passivation\"><\/span><b>\u30af\u30a8\u30f3\u9178\u306b\u3088\u308b\u4e0d\u6d3b\u6027\u5316<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u74b0\u5883\u306b\u512a\u3057\u304f\u5b89\u5168\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u65b9\u6cd5\u306f\u6025\u901f\u306b\u4eba\u6c17\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002\u30af\u30a8\u30f3\u9178\u306b\u3088\u308b\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3001\u9244\u5206\u3092\u52b9\u679c\u7684\u306b\u9664\u53bb\u3057\u3001\u6709\u5bb3\u306a\u30ac\u30b9\u3084\u91cd\u91d1\u5c5e\u3092\u653e\u51fa\u305b\u305a\u3001\u5ec3\u68c4\u7269\u306e\u51e6\u7406\u3082\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Different_Types\"><\/span><b>\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u4eba\u3005\u306f\u6642\u6298\u3001\u96fb\u89e3\u7814\u78e8\u306b\u3064\u3044\u3066\u8a71\u984c\u306b\u3059\u308b\u3002\u96fb\u6c17\u3092\u6d41\u3059\u3053\u3068\u3067\u8868\u9762\u304b\u3089\u30af\u30ed\u30e0\u3092\u8c4a\u5bcc\u306b\u542b\u3080\u5c64\u304c\u9732\u51fa\u3059\u308b\u3002\u3053\u308c\u306f\u5316\u5b66\u7684\u4e0d\u52d5\u614b\u5316\u3068\u540c\u3058\u4f5c\u7528\u3060\u304c\u3001\u96fb\u89e3\u7814\u78e8\u306e\u65b9\u304c\u3088\u308a\u7c97\u3044\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308b\u3002.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>\u65b9\u6cd5<\/b><\/td>\n<td><b>\u5178\u578b\u7684\u306a\u89e3\u6c7a\u7b56<\/b><\/td>\n<td><b>\u4e3b\u306a\u5229\u70b9<\/b><\/td>\n<td><b>\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805<\/b><\/td>\n<td><b>\u5171\u901a\u57fa\u6e96<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>\u785d\u9178<\/b><\/td>\n<td><span style=\"font-weight: 400;\">20-50% HNO\u2083<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u4f1d\u7d71\u7684\u3067\u3001\u5341\u5206\u306b\u6587\u66f8\u5316\u3055\u308c\u3066\u3044\u308b\u5f37\u529b\u306a\u9178\u5316\u5264\u3001,<\/span><a href=\"https:\/\/www.kdmsteel.com\/ja\/\u96fb\u6c17\u6a5f\u5668\u7b50\u4f53\u306e\u6a19\u6e96\u5316\/\"> <b>\u96fb\u6c17\u6a5f\u5668\u7b50\u4f53\u306e\u6a19\u6e96\u5316<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">\u6709\u5bb3\u306a\u30ac\u30b9\u3001\u6709\u6bd2\u5ec3\u68c4\u7269\u3001\u5b89\u5168\u5bfe\u7b56\u304c\u5fb9\u5e95\u3055\u308c\u3066\u3044\u308b<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASTM A967\u3001AMS 2700<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>\u30af\u30a8\u30f3\u9178<\/b><\/td>\n<td><span style=\"font-weight: 400;\">4-10% \u30af\u30a8\u30f3\u9178<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u3088\u308a\u5b89\u5168\u3067\u3001\u74b0\u5883\u306b\u512a\u3057\u304f\u3001\u6709\u6bd2\u30ac\u30b9\u3082\u767a\u751f\u3057\u306a\u3044<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u3088\u308a\u9ad8\u3044\u6e29\u5ea6\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u65b0\u3057\u3044\u3067\u3059\u304c\u53d7\u3051\u5165\u308c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASTM A967\u3001AMS 2700<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>\u96fb\u89e3\u7814\u78e8<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u30ea\u30f3\u9178\u3068\u786b\u9178<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u8868\u9762\u306e\u6b20\u9665\u3092\u53d6\u308a\u9664\u304d\u3001\u6e05\u6383\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u3088\u308a\u9ad8\u4fa1\u3067\u3001\u8a2d\u5099\u6295\u8cc7\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u7d14\u7c8b\u306a\u4e0d\u52d5\u614b\u5316\u3067\u306f\u306a\u3044<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ASTM B912<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Preparing_Stainless_Steel_Tanks_for_Passivation\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u6e96\u5099<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48173\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Preparing-Stainless-Steel-Tanks-for-Passivation.jpg\" alt=\"\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u6e96\u5099\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Preparing-Stainless-Steel-Tanks-for-Passivation.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Preparing-Stainless-Steel-Tanks-for-Passivation-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Preparing-Stainless-Steel-Tanks-for-Passivation-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Preparing-Stainless-Steel-Tanks-for-Passivation-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u6210\u529f\u306e80\uff05\u306f\u6e96\u5099\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u624b\u9806\u3092\u8e0f\u307e\u306a\u3051\u308c\u3070\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Initial_Inspection_Documentation\"><\/span><b>\u521d\u671f\u691c\u67fb\u304a\u3088\u3073\u66f8\u985e\u4f5c\u6210\uff1a\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u6eb6\u63a5\u90e8\u3001\u8868\u9762\u3001\u89d2\u306a\u3069\u3001\u3042\u3089\u3086\u308b\u7b87\u6240\u3092\u691c\u67fb\u3057\u3001\u6eb6\u63a5\u30b9\u30b1\u30fc\u30eb\u3001\u71b1\u306b\u3088\u308b\u5909\u8272\u3001\u91d1\u5c5e\u5185\u90e8\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f\u7570\u7269\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30bf\u30f3\u30af\u306e\u5916\u89b3\u3092\u793a\u3059\u305f\u3081\u306b\u5199\u771f\u3092\u64ae\u5f71\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u91cd\u5927\u306a\u6b20\u9665\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u4f5c\u696d\u3092\u9032\u3081\u308b\u524d\u306b\u3001\u9178\u6d17\u307e\u305f\u306f\u30b0\u30ea\u30c3\u30c8\u30d6\u30e9\u30b9\u30c8\u51e6\u7406\u306b\u3088\u3063\u3066\u6b20\u9665\u3092\u9664\u53bb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cleaning_Degreasing\"><\/span><b>\u6d17\u6d44\u3068\u8131\u8102\uff1a\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u5929\u677f\u306b\u306f\u6c5a\u308c\u304c\u4e00\u5207\u4ed8\u7740\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3002\u5c02\u7528\u306e\u30a2\u30eb\u30ab\u30ea\u5264\u307e\u305f\u306f\u5c02\u7528\u306e\u8131\u8102\u5264\u3092\u4f7f\u7528\u3057\u3066\u3001\u6cb9\u3001\u30b0\u30ea\u30fc\u30b9\u3001\u51b7\u5374\u6db2\u3092\u3059\u3079\u3066\u9664\u53bb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9178\u306f\u6709\u6a5f\u8cea\u306e\u6c5a\u308c\u306b\u6d78\u900f\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u306f\u5f53\u7136\u5fc5\u8981\u306a\u4f5c\u696d\u3067\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Safety_Preparations_PPE\"><\/span><b>\u5b89\u5168\u5bfe\u7b56\u3068\u500b\u4eba\u7528\u4fdd\u8b77\u5177\uff1a\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u7ba1\u7406\u3055\u308c\u305f\u4f5c\u696d\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u3079\u3066\u306e\u4f5c\u696d\u54e1\u304c\u3001\u30a8\u30d7\u30ed\u30f3\u3001\u8010\u9178\u6027\u624b\u888b\u3001\u30b4\u30fc\u30b0\u30eb\u3001\u30d5\u30a7\u30a4\u30b9\u30b7\u30fc\u30eb\u30c9\u306a\u3069\u306e\u9069\u5207\u306a\u500b\u4eba\u7528\u4fdd\u8b77\u5177\uff08PPE\uff09\u3092\u7740\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7dca\u6025\u6d17\u6d44\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u4e2d\u548c\u5264\uff08\u91cd\u66f9\u306a\u3069\uff09\u3001\u304a\u3088\u3073\u6d41\u51fa\u7269\u51e6\u7406\u30ad\u30c3\u30c8\u304c\u3059\u3050\u306b\u4f7f\u7528\u3067\u304d\u308b\u72b6\u614b\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Core_Process_Validation\"><\/span><b>\u30b3\u30a2\u30d7\u30ed\u30bb\u30b9\u3068\u691c\u8a3c<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48174\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Core-Process-Validation.jpg\" alt=\"\u30b3\u30a2\u30d7\u30ed\u30bb\u30b9\u3068\u691c\u8a3c\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Core-Process-Validation.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Core-Process-Validation-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Core-Process-Validation-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Core-Process-Validation-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step%E2%80%91by%E2%80%91Step_Passivation_Process_for_Stainless_Steel_Tanks\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u6bb5\u968e\u7684\u306a\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u30d7\u30ed\u30bb\u30b9<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u9069\u5207\u306a\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306b\u306f\u3001\u8a08\u753b\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u6cd5\u7684\u306b\u3082\u9069\u5207\u306a\u5305\u62ec\u7684\u306a\u624b\u9806\u3092\u793a\u3057\u307e\u3059\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_1_Clean_the_Tank_Interior\"><\/span><b>\u30b9\u30c6\u30c3\u30d71\uff1a\u30bf\u30f3\u30af\u5185\u90e8\u3092\u6e05\u6383\u3059\u308b<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u5f37\u8abf\u3057\u3059\u304e\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6700\u5f8c\u306b\u3001\u6700\u521d\u306e\u8131\u8102\u30b9\u30c6\u30c3\u30d7\u306e\u5f8c\u3001\u975e\u5869\u7d20\u7cfb\u30af\u30ea\u30fc\u30ca\u30fc\u3068\u8131\u30a4\u30aa\u30f3\u6c34\uff08DI\u6c34\uff09\u307e\u305f\u306f\u308d\u904e\u6c34\u3092\u4f7f\u7528\u3057\u3066\u6d17\u6d44\u3057\u307e\u3059\u3002\u5869\u5316\u7269\u306f\u9306\u306e\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u304c\u6d17\u3044\u6d41\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6c34\u306b\u3088\u308b\u4e80\u88c2\u306e\u306a\u3044\u5316\u5b66\u7684\u306b\u304d\u308c\u3044\u306a\u8868\u9762\u306b\u3001\u9178\u3092\u52a0\u3048\u307e\u3059\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_2_Prepare_the_Passivation_Solution\"><\/span><b>\u30b9\u30c6\u30c3\u30d72\uff1a\u4e0d\u52d5\u614b\u5316\u6eb6\u6db2\u3092\u6e96\u5099\u3059\u308b<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u9178\u6eb6\u6db2\u306b\u4ed8\u5c5e\u306e\u8aac\u660e\u66f8\uff08ASTM A967\u306a\u3069\uff09\u307e\u305f\u306f\u9078\u629e\u3057\u305f\u4ed5\u69d8\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u6e05\u6f54\u3067\u3001\u7279\u5b9a\u306e\u975e\u91d1\u5c5e\u88fd\u306e\u30bf\u30f3\u30af\u307e\u305f\u306f\u5bb9\u5668\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u901a\u5e38\u3001\u3053\u308c\u306f\u7d14\u6c34\u306b\u785d\u9178\u3092\u4f53\u7a4d\u6bd4\u306720\uff5e25%\u6eb6\u89e3\u3055\u305b\u305f\u3082\u306e\u3067\u3059\u3002\u30af\u30a8\u30f3\u9178\u6eb6\u6db2\u306f\u901a\u5e38140\uff5e160\u00b0F\uff0860\uff5e71\u2103\uff09\u306b\u52a0\u71b1\u3057\u307e\u3059\u3002\u9178\u306f\u5fc5\u305a\u6c34\u306b\u52a0\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u6c7a\u3057\u3066\u6c34\u3092\u9178\u306b\u52a0\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_3_Acid_Bath_or_Circulation\"><\/span><b>\u30b9\u30c6\u30c3\u30d73\uff1a\u9178\u6d74\u307e\u305f\u306f\u5faa\u74b0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u5c0f\u578b\u90e8\u54c1\u3084\u30bf\u30f3\u30af\u306e\u5834\u5408\u306f\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u69fd\u306b\u6d78\u6f2c\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002\u5927\u578b\u306e\u56fa\u5b9a\u30bf\u30f3\u30af\u306e\u5834\u5408\u306f\u3001\u30bf\u30f3\u30af\u5185\u90e8\u306e\u3042\u3089\u3086\u308b\u90e8\u5206\u306b\u5747\u4e00\u306b\u6eb6\u6db2\u304c\u884c\u304d\u6e21\u308b\u3088\u3046\u306b\u3001\u6eb6\u6db2\u3092\u5145\u586b\u307e\u305f\u306f\u5faa\u74b0\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6eb6\u63a5\u90e8\u3001\u89d2\u90e8\u3001\u30ce\u30ba\u30eb\u306a\u3069\u3001\u3059\u3079\u3066\u306e\u7b87\u6240\u304c\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u5faa\u74b0\u30dd\u30f3\u30d7\u306e\u6750\u8cea\u3084\u914d\u7ba1\u3082\u9069\u5207\u306a\u3082\u306e\u3092\u4f7f\u7528\u3057\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3092\u65bd\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_4_Dwell_Time_Temperature_Control\"><\/span><b>\u30b9\u30c6\u30c3\u30d74\uff1a\u6ede\u7559\u6642\u9593\u3068\u6e29\u5ea6\u306e\u5236\u5fa1<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u6df7\u5408\u6db2\u306e\u6e29\u5ea6\u306f\u3001\u5fc5\u8981\u306a\u6642\u9593\u306e\u9593\u3001\u898f\u5b9a\u306e\u6e29\u5ea6\u7bc4\u56f2\u5185\u306b\u7dad\u6301\u3055\u308c\u307e\u3059\u3002\u5ba4\u6e29\u3067\u306f\u3001\u785d\u9178\u3068\u306e\u63a5\u89e6\u6642\u9593\u306f\u901a\u5e3830\u5206\u304b\u308960\u5206\u3067\u3059\u3002\u30af\u30a8\u30f3\u9178\u3092\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u9ad8\u6e29\uff0820\uff5e40\u5206\uff09\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u53cd\u5fdc\u3092\u5747\u4e00\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6e29\u5ea6\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6e29\u5ea6\u3092\u6ce8\u610f\u6df1\u304f\u76e3\u8996\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_5_Rinse_Neutralize\"><\/span><b>\u30b9\u30c6\u30c3\u30d75\uff1a\u3059\u3059\u304e\u3068\u4e2d\u548c<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u51e6\u7406\u6642\u9593\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001\u9178\u6eb6\u6db2\u3092\u6392\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30bf\u30f3\u30af\u306f\u76f4\u3061\u306b\u3001\u5927\u91cf\u306e\u7d14\u6c34\u307e\u305f\u306f\u308d\u904e\u6c34\u3067\u5341\u5206\u306b\u6d17\u6d44\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u3001pH\u3092\u901f\u3084\u304b\u306b\u4e0a\u6607\u3055\u305b\u3001\u6b8b\u7559\u9178\u3092\u9664\u53bb\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u785d\u9178\u51e6\u7406\u306e\u5834\u5408\u306f\u3001\u6b8b\u7559\u9178\u306e\u75d5\u8de1\u3092\u9664\u53bb\u3059\u308b\u305f\u3081\u306b\u3001\u5f31\u30a2\u30eb\u30ab\u30ea\u6027\u6eb6\u6db2\uff08\u91cd\u66f9\uff09\u306b\u3088\u308b\u3059\u3059\u304e\u3092\u884c\u3044\u3001\u6700\u5f8c\u306b\u7d14\u6c34\u3067\u3059\u3059\u3050\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Step_6_Drying_Passivation_Completion\"><\/span><b>\u30b9\u30c6\u30c3\u30d76\uff1a\u4e7e\u71e5\u304a\u3088\u3073\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306e\u5b8c\u4e86<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u3059\u3059\u304e\u6c34\u306f\u76f4\u3061\u306b\u3059\u3079\u3066\u5ec3\u68c4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6cb9\u5206\u3092\u542b\u307e\u306a\u3044\u6e05\u6f54\u3067\u4e7e\u71e5\u3057\u305f\u7a7a\u6c17\u307e\u305f\u306f\u7a92\u7d20\u30ac\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30bf\u30f3\u30af\u5185\u306e\u304f\u307c\u307f\u3092\u3059\u3079\u3066\u5439\u304d\u98db\u3070\u3057\u3001\u30bf\u30f3\u30af\u3092\u5b8c\u5168\u306b\u4e7e\u71e5\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u6ede\u7559\u6c34\u304c\u3042\u308b\u3068\u3001\u65b0\u305f\u306b\u5f62\u6210\u3055\u308c\u305f\u4e0d\u6d3b\u6027\u5c64\u304c\u5e0c\u91c8\u3055\u308c\u3001\u6c34\u57a2\u3084\u8150\u98df\u304c\u767a\u751f\u3059\u308b\u7b87\u6240\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u3001\u30bf\u30f3\u30af\u306f\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u304c\u5b8c\u4e86\u3057\u305f\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u7a74\u3084\u4e80\u88c2\u3092\u585e\u304e\u3001\u5185\u90e8\u3092\u885b\u751f\u7684\u306b\u4fdd\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Passivation_Testing_Validation\"><\/span><b>\u4e0d\u52d5\u614b\u5316\u8a66\u9a13\u304a\u3088\u3073\u691c\u8a3c<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u30d7\u30ed\u30bb\u30b9\u304c\u6210\u529f\u3057\u305f\u3053\u3068\u3092\u3069\u306e\u3088\u3046\u306b\u78ba\u8a8d\u3059\u308b\u306e\u3067\u3059\u304b\uff1f\u3053\u308c\u3089\u306e\u4e00\u822c\u7684\u306a\u30c6\u30b9\u30c8\u624b\u9806\u306f\u3001\u30d1\u30c3\u30b7\u30d6\u5c64\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u5b9f\u306b\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Copper_Sulfate_Test\"><\/span><b>\u786b\u9178\u9285\u8a66\u9a13<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u3053\u308c\u306f\u3001\u6750\u6599\u3092\u4e00\u5207\u7834\u58ca\u3057\u306a\u3044\u3001\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u73fe\u5834\u8a66\u9a13\u3067\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u786b\u9178\u9285\u6eb6\u6db2\u3092\u5857\u5e03\u3057\u307e\u3059\u3002\u904a\u96e2\u9244\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u9285\u304c\u30ad\u30e9\u30ad\u30e9\u3068\u8f1d\u304d\uff08\u30d4\u30f3\u30af\u8272\u307e\u305f\u306f\u8d64\u307f\u304c\u304b\u3063\u305f\u8272\uff09\u3057\u307e\u3059\u3002\u6570\u5206\u5f8c\u306b\u4e0d\u52d5\u614b\u5316\u8a66\u9a13\u3092\u884c\u3046\u3068\u3001\u9285\u304c\u6dfb\u52a0\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u5b9a\u91cf\u7684\u306a\u8a66\u9a13\u3067\u306f\u306a\u304f\u3001\u5408\u5426\u5224\u5b9a\u3092\u884c\u3046\u8a66\u9a13\u3067\u3059\u304c\u3001\u91cd\u8981\u306a\u8a66\u9a13\u3067\u3059\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Salt_Spray_and_Humidity_Chamber_Tests\"><\/span><b>\u5869\u6c34\u5674\u9727\u8a66\u9a13\u304a\u3088\u3073\u6e7f\u5ea6\u8a66\u9a13<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u3053\u308c\u3089\u306fASTM B117\u898f\u683c\u306b\u57fa\u3065\u3044\u305f\u3001\u9306\u306e\u8fc5\u901f\u306a\u691c\u67fb\u6cd5\u3067\u3059\u3002\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3092\u65bd\u3057\u305f\u8a66\u6599\u306b\u3001\u9023\u7d9a\u7684\u306b\u5869\u6c34\u5674\u9727\u3092\u884c\u3044\u307e\u3059\u3002\u8d64\u9306\u304c\u767a\u751f\u3059\u308b\u307e\u3067\u306e\u6642\u9593\uff08\u6700\u521d\u306e\u8d64\u9306\u306e\u5146\u5019\u304c\u73fe\u308c\u308b\u307e\u3067\u306e\u6642\u9593\uff09\u3092\u6e2c\u5b9a\u3057\u3001\u898f\u683c\u306e\u57fa\u6e96\u5024\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u5358\u7d14\u306a\u304c\u3089\u3082\u5371\u967a\u306a\u691c\u67fb\u6cd5\u3067\u3042\u308a\u3001\u3053\u308c\u307e\u3067\u500b\u4eba\u306e\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u306b\u983b\u7e41\u306b\u7528\u3044\u3089\u308c\u3066\u304d\u307e\u3057\u305f\u3002.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Potassium_Ferricyanide_Ferroxyl_Test\"><\/span><b>\u30d5\u30a7\u30ea\u30b7\u30a2\u30f3\u5316\u30ab\u30ea\u30a6\u30e0\uff08\u30d5\u30a7\u30ed\u30ad\u30b7\u30eb\uff09\u8a66\u9a13<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u3053\u308c\u306f\u975e\u5e38\u306b\u7cbe\u5ea6\u306e\u9ad8\u3044\u5b9a\u6027\u8a66\u9a13\u3067\u3059\u3002\u30d5\u30a7\u30ea\u30b7\u30a2\u30f3\u5316\u30ab\u30ea\u30a6\u30e0\u3068\u785d\u9178\u306e\u6df7\u5408\u6db2\u3092\u7528\u3044\u3066\u884c\u308f\u308c\u307e\u3059\u300215\uff5e30\u79d2\u4ee5\u5185\u306b\u30d7\u30eb\u30b7\u30a2\u30f3\u30d6\u30eb\u30fc\u3068\u547c\u3070\u308c\u308b\u9bae\u3084\u304b\u306a\u9752\u8272\u306e\u6591\u70b9\u304c\u73fe\u308c\u3001\u904a\u96e2\u9244\u306e\u5b58\u5728\u3092\u793a\u3057\u307e\u3059\u3002\u7279\u306b\u5207\u65ad\u30fb\u6eb6\u63a5\u3055\u308c\u305f\u7b87\u6240\u5468\u8fba\u306e\u5fae\u91cf\u306e\u6c5a\u67d3\u7269\u8cea\u3092\u691c\u51fa\u3059\u308b\u306e\u306b\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3059\u3002.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Safety_Environmental_Compliance_Considerations\"><\/span><b>\u5b89\u5168\u3001\u74b0\u5883\u3001\u304a\u3088\u3073\u6cd5\u4ee4\u9075\u5b88\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48175\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Safety-Environmental-Compliance-Considerations.jpg\" alt=\"\u5b89\u5168\u3001\u74b0\u5883\u3001\u304a\u3088\u3073\u6cd5\u4ee4\u9075\u5b88\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Safety-Environmental-Compliance-Considerations.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Safety-Environmental-Compliance-Considerations-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Safety-Environmental-Compliance-Considerations-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Safety-Environmental-Compliance-Considerations-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u9ad8\u5ea6\u306a\u5316\u5b66\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308a\u3001\u4e8b\u524d\u306b\u5341\u5206\u306a\u6e96\u5099\u3068\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u70b9\u3092\u6020\u308b\u3068\u3001\u91cd\u5927\u306a\u640d\u5931\u3001\u56fd\u5bb6\u306b\u3088\u308b\u7f70\u5247\u3001\u305d\u3057\u3066\u74b0\u5883\u7834\u58ca\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Safe_Acid_Handling_and_Disposal\"><\/span><b>\u9178\u306e\u5b89\u5168\u306a\u53d6\u308a\u6271\u3044\u3068\u5ec3\u68c4<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u9178\u306e\u53d6\u308a\u6271\u3044\u306b\u306f\u5e38\u306b\u5341\u5206\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u5b89\u5168\u88c5\u5099\u3092\u7740\u7528\u3057\u3001\u63db\u6c17\u306e\u826f\u3044\u5834\u6240\u3067\u4f5c\u696d\u3057\u3001\u5b89\u5168\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\uff08MSDS\uff09\u3092\u624b\u5143\u306b\u7f6e\u3044\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u7570\u306a\u308b\u7a2e\u985e\u306e\u9178\u3092\u6df7\u305c\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u5ec3\u68c4\u7269\u306e\u9069\u5207\u306a\u51e6\u7406\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u4f7f\u7528\u6e08\u307f\u306e\u785d\u9178\u6eb6\u6db2\u306b\u306f\u91cd\u91d1\u5c5e\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u8a8d\u53ef\u3092\u53d7\u3051\u305f\u6709\u5bb3\u5ec3\u68c4\u7269\u51e6\u7406\u696d\u8005\u306b\u3088\u308b\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002\u30af\u30a8\u30f3\u9178\u306e\u5ec3\u68c4\u7269\u306f\u51e6\u7406\u304c\u5bb9\u6613\u3067\u3059\u304c\u3001\u4e0b\u6c34\u9053\u306b\u6295\u68c4\u3059\u308b\u524d\u306b\u4e2d\u548c\u51e6\u7406\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u5730\u57df\u306e\u898f\u5247\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Environmental_Considerations\"><\/span><b>\u74b0\u5883\u3078\u306e\u914d\u616e<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u3042\u306a\u305f\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u4e16\u754c\u306b\u4e0e\u3048\u308b\u30c0\u30e1\u30fc\u30b8\u306f\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30af\u30a8\u30f3\u9178\u306b\u3088\u308b\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3001\u81ea\u7136\u306b\u5206\u89e3\u3055\u308c\u3001\u6709\u5bb3\u5ec3\u68c4\u7269\u306e\u767a\u751f\u91cf\u304c\u5c11\u306a\u3044\u305f\u3081\u3001\u660e\u3089\u304b\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u76e3\u67fb\u8a3c\u8de1\u306b\u95a2\u3057\u3066\u306f\u3001\u696d\u754c\u6a19\u6e96\uff08\u533b\u85ac\u54c1\u3084\u98df\u54c1\u30b0\u30ec\u30fc\u30c9\u306e\u30c4\u30fc\u30eb\u306b\u95a2\u3059\u308b\u3082\u306e\u306a\u3069\uff09\u306b\u5f93\u3044\u3001\u6eb6\u6db2\u306e\u6fc3\u5ea6\u304b\u3089\u3059\u3059\u304e\u6c34\u306e\u6c34\u8cea\u307e\u3067\u3001\u3059\u3079\u3066\u306e\u624b\u9806\u3092\u8a18\u9332\u3057\u3066\u3044\u308c\u3070\u3001\u3069\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Maintenance_After_Passivation\"><\/span><b>\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u5f8c\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48179\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Maintenance-After-Passivation.jpg\" alt=\"\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u5f8c\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Maintenance-After-Passivation.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Maintenance-After-Passivation-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Maintenance-After-Passivation-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Maintenance-After-Passivation-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u4e00\u5ea6\u304d\u308a\u306e\u4f5c\u696d\u3067\u306f\u306a\u304f\u3001\u7269\u3092\u9577\u6301\u3061\u3055\u305b\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u5de5\u7a0b\u3067\u3059\u3002\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u5927\u5207\u306a\u8cc7\u7523\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Regular_Cleaning_Schedule\"><\/span><b>\u5b9a\u671f\u6e05\u6383\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u5b9a\u7f6e\u6d17\u6d44\uff08CIP\uff09\u307e\u305f\u306f\u624b\u52d5\u6d17\u6d44\u3092\u884c\u3046\u969b\u306f\u3001\u4e92\u63db\u6027\u304c\u3042\u308a\u3001\u5869\u7d20\u7cfb\u3084\u7814\u78e8\u5264\u3092\u542b\u307e\u306a\u3044\u6d17\u6d44\u5264\u306e\u307f\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f37\u529b\u306a\u5869\u7d20\u7cfb\u6d17\u5264\uff08\u6f02\u767d\u5264\u306a\u3069\uff09\u3084\u30b9\u30c1\u30fc\u30eb\u30a6\u30fc\u30eb\u306f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u640d\u50b7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u95a2\u3059\u308b\u63a8\u5968\u4e8b\u9805\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_to_Handle_Scratches_or_Repairs\"><\/span><b>\u50b7\u306e\u5bfe\u51e6\u6cd5\u3084\u4fee\u7406\u65b9\u6cd5\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u5185\u9762\u304c\u3072\u3069\u304f\u50b7\u3064\u3044\u305f\u308a\u3001\u3048\u3050\u308c\u305f\u308a\u3001\u518d\u6eb6\u63a5\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u3068\u3001\u305d\u306e\u90e8\u5206\u306e\u4e0d\u52d5\u614b\u76ae\u819c\u304c\u7834\u58ca\u3055\u308c\u307e\u3059\u3002\u8150\u98df\u9632\u6b62\u6a5f\u80fd\u3092\u56de\u5fa9\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u640d\u50b7\u3057\u305f\u90e8\u5206\u3092\u614e\u91cd\u306b\u6d17\u6d44\u3057\u3001\u9650\u5b9a\u7684\u306a\u65b9\u6cd5\u3092\u7528\u3044\u3066\u518d\u4e0d\u52d5\u614b\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><b>\u3088\u304f\u3042\u308b\u8cea\u554f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48180\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/FAQs-2-1.jpg\" alt=\"\u3088\u304f\u3042\u308b\u8cea\u554f\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/FAQs-2-1.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/FAQs-2-1-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/FAQs-2-1-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/FAQs-2-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_citric_acid_completely_replace_nitric_acid\"><\/span><b>\u30af\u30a8\u30f3\u9178\u306f\u785d\u9178\u3092\u5b8c\u5168\u306b\u4ee3\u66ff\u3067\u304d\u307e\u3059\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u306f\u3044\u3001\u307b\u3068\u3093\u3069\u306e\u30d3\u30b8\u30cd\u30b9\u30b7\u30fc\u30f3\u306b\u304a\u3044\u3066\u305d\u3046\u3067\u3059\u3002\u73fe\u5728\u88fd\u9020\u3055\u308c\u3066\u3044\u308b\u30af\u30a8\u30f3\u9178\u306f\u3001\u91cd\u8981\u306a\u8ecd\u4e8b\u898f\u683c\uff08AMS 2700\uff09\u304a\u3088\u3073ASTM\u898f\u683c\uff08A967\uff09\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u9078\u629e\u306f\u9867\u5ba2\u306e\u7279\u5225\u306a\u30cb\u30fc\u30ba\u3001\u74b0\u5883\u306b\u95a2\u3059\u308b\u898f\u5236\u3001\u304a\u3088\u3073\u5b89\u5168\u898f\u5247\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_long_does_passivation_stay_on_tanks_made_of_stainless_steel\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3069\u306e\u304f\u3089\u3044\u306e\u671f\u9593\u6301\u7d9a\u3057\u307e\u3059\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u660e\u78ba\u306a\u7d42\u4e86\u65e5\u306f\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u9178\u7d20\u304c\u5b58\u5728\u3059\u308b\u9650\u308a\u3001\u4e0d\u6d3b\u6027\u5c64\u306f\u81ea\u52d5\u7684\u306b\u518d\u751f\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u6301\u7d9a\u671f\u9593\u306f\u4f7f\u7528\u74b0\u5883\u306b\u3088\u3063\u3066\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002\u5869\u5316\u7269\u3001\u9178\u3001\u307e\u305f\u306f\u7269\u7406\u7684\u306a\u640d\u50b7\u306f\u5bff\u547d\u3092\u7e2e\u3081\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9069\u5207\u306b\u7ba1\u7406\u3059\u308c\u3070\u3001\u30bf\u30f3\u30af\u306e\u5bff\u547d\u3068\u540c\u3058\u304f\u3089\u3044\u9577\u304f\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Do_all_stainless_steel_tanks_need_to_be_passivated\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u30bf\u30f3\u30af\u306f\u3059\u3079\u3066\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u3053\u308c\u306f\u8ab0\u306b\u3068\u3063\u3066\u3082\u6709\u76ca\u3067\u3059\u304c\u3001\u7279\u306b\u8150\u98df\u6027\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u308b\u30bf\u30f3\u30af\u3001\u98df\u54c1\u3001\u533b\u85ac\u54c1\u3001\u96fb\u5b50\u6a5f\u5668\u306a\u3069\u306e\u9ad8\u7d14\u5ea6\u7523\u696d\u3067\u4f7f\u7528\u3055\u308c\u308b\u30bf\u30f3\u30af\u3001\u307e\u305f\u306f\u6eb6\u63a5\u69cb\u9020\u304c\u591a\u3044\u30bf\u30f3\u30af\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002\u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u7528\u9014\u3067\u3042\u308c\u3070\u3001\u5358\u7d14\u306a\u70ad\u7d20\u92fc\u88fd\u306e\u8caf\u8535\u30bf\u30f3\u30af\u306b\u306f\u4e0d\u8981\u3067\u3059\u304c\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u30bf\u30f3\u30af\u306b\u306f\u9069\u5207\u306a\u51e6\u7406\u3067\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_passivation_make_welds_less_likely_to_rust\"><\/span><b>\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306b\u3088\u3063\u3066\u6eb6\u63a5\u90e8\u306e\u9306\u3073\u306b\u304f\u304f\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u306f\u3044\u3002\u6eb6\u63a5\u3059\u308b\u3068\u3001\u71b1\u306b\u3088\u3063\u3066\u5909\u8272\u304c\u751f\u3058\u3001\u9244\u304c\u63a5\u5408\u90e8\u306b\u4ed8\u7740\u3057\u3066\u9306\u3073\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u7279\u306b\u3053\u308c\u3089\u306e\u90e8\u5206\u306b\u52b9\u679c\u3092\u767a\u63ee\u3057\u3001\u6bcd\u6750\u3068\u6eb6\u63a5\u90e8\u306e\u4e21\u65b9\u306e\u8010\u98df\u6027\u3092\u540c\u7b49\u306b\u3057\u307e\u3059\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_is_better_passivation_or_pickling\"><\/span><b>\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3068\u9178\u6d17\u51e6\u7406\u3001\u3069\u3061\u3089\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u9178\u6d17\u306f\u3001\u3088\u308a\u5f37\u3044\u9178\uff08\u30d5\u30c3\u5316\u6c34\u7d20\u9178\u3068\u785d\u9178\uff09\u3092\u7528\u3044\u3066\u3001\u71b1\u306b\u3088\u308b\u5909\u8272\u3001\u6eb6\u63a5\u30b9\u30b1\u30fc\u30eb\u3001\u304a\u3088\u3073\u6bcd\u6750\u306e\u8584\u3044\u5c64\u3092\u9664\u53bb\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3001\u3088\u308a\u7a4f\u3084\u304b\u306a\u9178\u3092\u7528\u3044\u3066\u3001\u4e3b\u306b\u904a\u96e2\u9244\u306e\u6c5a\u67d3\u3092\u9664\u53bb\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u9178\u6d17\u306f\u300c\u5f37\u529b\u306a\u6d17\u6d44\u300d\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u300c\u6700\u7d42\u7684\u306a\u5c01\u3058\u8fbc\u3081\u300d\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u201c<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_often_should_the_passivation_of_stainless_steel_tanks_be_done_again\"><\/span><b>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306f\u3001\u3069\u306e\u304f\u3089\u3044\u306e\u983b\u5ea6\u3067\u518d\u5b9f\u65bd\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u5fc5\u8981\u306a\u5834\u5408\u306b\u306e\u307f\u884c\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u5927\u898f\u6a21\u306a\u4fee\u7406\u3084\u6eb6\u63a5\u3092\u884c\u3063\u305f\u5834\u5408\u3001\u5185\u90e8\u304c\u3072\u3069\u304f\u6469\u8017\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u8150\u98df\u8a66\u9a13\uff08\u786b\u9178\u9285\u8a66\u9a13\u306a\u3069\uff09\u3067\u4e0d\u6d3b\u6027\u53cd\u5fdc\u304c\u8a8d\u3081\u3089\u308c\u305f\u5834\u5408\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u6020\u3089\u306a\u3051\u308c\u3070\u3001\u518d\u4e0d\u6d3b\u6027\u51e6\u7406\u306f\u5fc5\u8981\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_passivation_change_the_way_stainless_steel_looks\"><\/span><b>\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306b\u3088\u3063\u3066\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5916\u89b3\u306f\u5909\u5316\u3059\u308b\u306e\u304b\uff1f<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u4ed5\u4e0a\u304c\u308a\u306f\u3042\u307e\u308a\u5909\u308f\u3089\u306a\u3044\u306f\u305a\u3067\u3059\u3002\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u306b\u3088\u3063\u3066\u8868\u9762\u5168\u4f53\u304c\u5c11\u3057\u920d\u304f\u306a\u3063\u305f\u308a\u6697\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u9178\u6d17\u3084\u96fb\u89e3\u7814\u78e8\u306e\u3088\u3046\u306b\u91d1\u5c5e\u304c\u524a\u308a\u53d6\u3089\u308c\u305f\u308a\u8868\u9762\u306e\u5f62\u72b6\u304c\u5909\u308f\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3057\u3001<\/span><a href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u88fd\u30bf\u30f3\u30af\u306e\u30b5\u30a4\u30ba\/\"> <b>\u30b9\u30c6\u30f3\u30ec\u30b9\u88fd\u30bf\u30f3\u30af\u306e\u30b5\u30a4\u30ba<\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Stainless_Steel_Tanks_Passivation_by_KDM_Steel\"><\/span><b>KDM Steel\u306b\u3088\u308b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48176\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Stainless-Steel-Tanks-Passivation-by-KDM-Steel.jpg\" alt=\"KDM Steel\u306b\u3088\u308b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Stainless-Steel-Tanks-Passivation-by-KDM-Steel.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Stainless-Steel-Tanks-Passivation-by-KDM-Steel-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Stainless-Steel-Tanks-Passivation-by-KDM-Steel-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/01\/Stainless-Steel-Tanks-Passivation-by-KDM-Steel-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u3067<\/span> <span style=\"font-weight: 400;\">KDM\u30b9\u30c1\u30fc\u30eb<\/span><span style=\"font-weight: 400;\">, \u904e\u9177\u306a\u4f7f\u7528\u74b0\u5883\u4e0b\u3067\u3082\u30bf\u30f3\u30af\u304c\u5b8c\u74a7\u306b\u6a5f\u80fd\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u304c\u6700\u5f8c\u306b\u3057\u3066\u6700\u3082\u91cd\u8981\u306a\u5de5\u7a0b\u3067\u3042\u308b\u3053\u3068\u3092\u79c1\u305f\u3061\u306f\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u88fd\u54c1\u3092\u4f5c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4ed5\u4e0a\u3052\u3066\u3059\u3050\u306b\u4f7f\u3048\u308b\u72b6\u614b\u306b\u3059\u308b\u3053\u3068\u306b\u3082\u9577\u3051\u3066\u3044\u307e\u3059\u3002.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u304a\u5ba2\u69d8\u306e\u30d3\u30b8\u30cd\u30b9\u306b\u6700\u9069\u306a\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\u3092\u898b\u3064\u3051\u308b\u304a\u624b\u4f1d\u3044\u3092\u3044\u305f\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u898f\u5247\u3092\u9075\u5b88\u3057\u3001\u5f53\u793e\u306e\u7ba1\u7406\u3055\u308c\u305f\u65bd\u8a2d\u3067\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u3082\u3001\u73fe\u5834\u3067\u6b63\u3057\u304f\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u30a2\u30c9\u30d0\u30a4\u30b9\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002.<\/span><a href=\"https:\/\/www.kdmsteel.com\/ja\/\u63a5\u89e6\/\"> <b>\u304a\u554f\u3044\u5408\u308f\u305b<\/b><\/a><span style=\"font-weight: 400;\"> \u4eca\u3059\u3050\u898b\u7a4d\u3082\u308a\u3092\u5165\u624b\u3057\u307e\u3057\u3087\u3046\u3002.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Individuals in a profession that requires materials to be extremely clean and durable would require understanding how to passivate and polish stainless steel tanks. You definitely should not skip this step, but you must take it to ensure that your tanks are guarded against rust in a manner that is both legal and dependable and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":48177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Passivate Stainless Steel Tanks: A Step-by-Step Guide - KDM Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u30bf\u30f3\u30af\u306e\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Passivate Stainless Steel Tanks: A Step-by-Step Guide - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"Individuals in a profession that requires materials to be extremely clean and durable would require understanding how to passivate and polish stainless steel tanks. 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