{"id":49226,"date":"2026-02-26T10:35:30","date_gmt":"2026-02-26T10:35:30","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=49226"},"modified":"2026-03-07T10:30:30","modified_gmt":"2026-03-07T10:30:30","slug":"api-650-vs-api-620","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/","title":{"rendered":"API 650 vs API 620 \u2013 Qual escolher para o seu tanque de armazenamento?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">A d\u00favida frequente ao escolher um tanque de a\u00e7o soldado para armazenamento de petr\u00f3leo, g\u00e1s ou produtos qu\u00edmicos \u00e9 a diferen\u00e7a entre as normas API 650 e API 620. Ambas as normas s\u00e3o provenientes da mesma organiza\u00e7\u00e3o.<\/span><a href=\"https:\/\/www.api.org\/\"> <b>Instituto Americano de Petr\u00f3leo<\/b><\/a><span style=\"font-weight: 400;\"> e ensinam como construir um tanque, mas eles s\u00e3o para diferentes temperaturas e press\u00f5es. Fazer a escolha certa proteger\u00e1 seu or\u00e7amento, seguran\u00e7a e processos por muito tempo.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\">\u00cdndice<\/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=\"Alternar \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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\/pt\/api-650-vs-api-620\/#What_Is_API_650_Standard\" >O que \u00e9 o padr\u00e3o API 650?<\/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\/pt\/api-650-vs-api-620\/#What_Is_API_620_Standard\" >O que \u00e9 o padr\u00e3o API 620?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Side-by-Side_Comparison_API_650_vs_API_620\" >Compara\u00e7\u00e3o lado a lado: API 650 vs API 620<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Applicable_Pressure_Range\" >Faixa de press\u00e3o aplic\u00e1vel<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620\" >API 620<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Temperature_Range\" >Faixa de temperatura<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-2\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620-2\" >API 620<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Scope_and_Purpose_of_Standards\" >\u00c2mbito e Finalidade das Normas<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-3\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620-3\" >API 620<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Tank_Configuration_Geometry\" >Configura\u00e7\u00e3o e geometria do tanque<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-4\" >API 650<\/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\/pt\/api-650-vs-api-620\/#API_620-4\" >API 620:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Typical_Tank_Sizes\" >Tamanhos t\u00edpicos de tanques<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-5\" >API 650<\/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\/pt\/api-650-vs-api-620\/#Fabrication_Erection\" >Fabrica\u00e7\u00e3o e Montagem<\/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\/pt\/api-650-vs-api-620\/#API_650-6\" >API 650<\/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\/pt\/api-650-vs-api-620\/#API_620-5\" >API 620<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Materials_Allowed\" >Materiais Permitidos<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-7\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620-6\" >API 620<\/a><\/li><\/ul><\/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\/pt\/api-650-vs-api-620\/#Inspection_and_Testing_Standards\" >Normas de Inspe\u00e7\u00e3o e Teste<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-8\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620-7\" >API 620<\/a><\/li><\/ul><\/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\/pt\/api-650-vs-api-620\/#Roof_Closure_Types\" >Tipos de telhado e fechamento<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-9\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620-8\" >API 620<\/a><\/li><\/ul><\/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\/pt\/api-650-vs-api-620\/#Application_Industry_Use\" >Aplica\u00e7\u00f5es e uso industrial<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650-10\" >API 650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620-9\" >API 620<\/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-33\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650_vs_API_620_%E2%80%93_Quick_Comparison_Table\" >API 650 vs API 620 \u2013 Tabela de Compara\u00e7\u00e3o R\u00e1pida<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_650_vs_API_620_%E2%80%93_Which_One_Is_Best\" >API 650 vs API 620 \u2013 Qual \u00e9 a melhor?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#FAQs\" >Perguntas frequentes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Can_API_620_tanks_work_when_the_pressure_outside_is_normal\" >Tanques API 620 podem funcionar quando a press\u00e3o externa est\u00e1 normal?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#API_620_or_API_650_Which_costs_less\" >API 620 ou API 650? Qual custa menos?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Is_it_possible_to_change_an_API_650_tank_to_an_API_620_tank\" >\u00c9 poss\u00edvel converter um tanque API 650 em um tanque API 620?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#How_are_inspections_done_for_API_620_and_API_650_the_same\" >Quais s\u00e3o as semelhan\u00e7as nas inspe\u00e7\u00f5es para as normas API 620 e API 650?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Can_API_620_and_API_650_be_used_together\" >As APIs 620 e 650 podem ser usadas em conjunto?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Do_radiography_tests_have_to_be_done_for_API_620\" >\u00c9 necess\u00e1rio realizar exames radiogr\u00e1ficos para a certifica\u00e7\u00e3o API 620?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Does_temperature_play_a_role_in_choosing_between_API_620_and_650\" >A temperatura influencia a escolha entre as normas API 620 e 650?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.kdmsteel.com\/pt\/api-650-vs-api-620\/#Get_Customized_Storage_Tanks_from_KDM_Steel\" >Obtenha tanques de armazenamento personalizados da KDM Steel.<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_API_650_Standard\"><\/span><b>O que \u00e9 o padr\u00e3o API 650?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49228\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-89.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-89.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-89-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-89-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-89-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">A norma API 650 define como planejar e construir tanques de armazenamento soldados que operam em press\u00f5es pr\u00f3ximas \u00e0 atmosf\u00e9rica. Ela se refere principalmente a tanques acima do solo que armazenam petr\u00f3leo bruto, \u00e1gua e produtos acabados. A norma aborda principalmente a escolha dos materiais adequados, a garantia de que os produtos sejam armazenados com seguran\u00e7a em baixas press\u00f5es internas, a inspe\u00e7\u00e3o e os testes necess\u00e1rios.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_API_620_Standard\"><\/span><b>O que \u00e9 o padr\u00e3o API 620?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49229\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-90.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-90.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-90-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-90-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-90-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">A API 620 nos ensina como planejar e construir grandes projetos.,<\/span><a href=\"https:\/\/www.kdmsteel.com\/pt\/soldagem-de-tanque-de-aco-inoxidavel\/\"> <b>tanques de a\u00e7o inoxid\u00e1vel soldados<\/b><\/a><span style=\"font-weight: 400;\"> que funcionam com press\u00f5es internas baixas a moderadas. \u00c9 frequentemente usado para armazenar coisas que precisam ser mantidas frias ou congeladas, como<\/span><b> GLP<\/b><span style=\"font-weight: 400;\"> e GNL. Ele pode suportar tens\u00f5es de projeto mais elevadas e condi\u00e7\u00f5es de temperatura mais severas do que o API 650.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Side-by-Side_Comparison_API_650_vs_API_620\"><\/span><b>Compara\u00e7\u00e3o lado a lado: API 650 vs API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49230\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-91.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-91.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-91-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-91-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-91-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applicable_Pressure_Range\"><\/span><b>Faixa de press\u00e3o aplic\u00e1vel<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">O padr\u00e3o API 650 foi projetado para armazenamento em press\u00f5es atmosf\u00e9ricas ou muito baixas. \u00c9 indicado para tanques que operam desde a press\u00e3o atmosf\u00e9rica normal at\u00e9 aproximadamente 2,5 psig. Muitas refinarias e instala\u00e7\u00f5es de armazenamento a granel utilizam esses tanques para armazenar l\u00edquidos sem permitir o ac\u00famulo excessivo de press\u00e3o interna. O padr\u00e3o API 650 \u00e9 uma op\u00e7\u00e3o econ\u00f4mica e amplamente aceita pela ind\u00fastria para \u00e1gua, diesel, petr\u00f3leo bruto e outros produtos similares. Ele n\u00e3o adiciona complexidade extra ao processo de dimensionamento sob press\u00e3o.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 620 pode ser usada em tanques com press\u00e3o interna baixa a moderada, geralmente acima de 2,5 psig e at\u00e9 15 psig ou mais, dependendo das necessidades do projeto. Ela \u00e9 normalmente escolhida para combust\u00edveis vol\u00e1teis ou pressurizados, como o GLP. A norma permite maiores tens\u00f5es na membrana, chapas de revestimento mais resistentes e melhor resist\u00eancia estrutural, o que garante que o sistema possa operar com seguran\u00e7a mesmo sob alta press\u00e3o interna.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Temperature_Range\"><\/span><b>Faixa de temperatura<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-2\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Os tanques API 650 s\u00e3o geralmente projetados para operar em temperaturas normais da regi\u00e3o. Embora suportem temperaturas ligeiramente mais altas, essa norma n\u00e3o \u00e9 adequada para aplica\u00e7\u00f5es criog\u00eanicas ou em temperaturas muito baixas. Quando as temperaturas caem drasticamente, a tenacidade e a resist\u00eancia \u00e0 fratura do material tornam-se cruciais. Devido \u00e0s suas limita\u00e7\u00f5es, a norma API 650 n\u00e3o \u00e9 recomendada para locais extremamente frios.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-2\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A API 620 foi criada para lidar com aplica\u00e7\u00f5es que precisam armazenar itens em condi\u00e7\u00f5es de frio ou congelamento, como: <\/span><b>GNL<\/b><span style=\"font-weight: 400;\"> e outros gases liquefeitos. Existem regras rigorosas sobre resist\u00eancia a baixas temperaturas, testes de impacto e uso de determinados materiais. A norma API 620 oferece importantes prote\u00e7\u00f5es metal\u00fargicas para instala\u00e7\u00f5es que operam em temperaturas abaixo de zero, evitando que as estruturas se quebrem ou se tornem quebradi\u00e7as.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Scope_and_Purpose_of_Standards\"><\/span><b>\u00c2mbito e Finalidade das Normas<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-3\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 650 trata do planejamento, constru\u00e7\u00e3o, inspe\u00e7\u00e3o e teste de grandes tanques atmosf\u00e9ricos acima do solo. Ela estabelece padr\u00f5es para t\u00e9cnicas de constru\u00e7\u00e3o de tanques de armazenamento de petr\u00f3leo e outros l\u00edquidos em todo o mundo. A API 650 \u00e9 amplamente utilizada em refinarias, terminais e instala\u00e7\u00f5es de armazenamento industrial devido \u00e0 sua aceita\u00e7\u00e3o global e \u00e0 simplicidade de seus padr\u00f5es.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-3\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 620 abrange vasos que operam em press\u00f5es mais elevadas e temperaturas mais baixas, al\u00e9m de tanques de ar. Ela adiciona m\u00e9todos mais avan\u00e7ados para an\u00e1lise de tens\u00f5es, regras mais rigorosas para a efici\u00eancia das juntas e controles de qualidade aprimorados. Por isso, a API 620 pode ser utilizada em plantas de processamento de petr\u00f3leo e g\u00e1s que precisam operar em condi\u00e7\u00f5es mais severas.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tank_Configuration_Geometry\"><\/span><b>Configura\u00e7\u00e3o e geometria do tanque<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-4\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A maioria dos tanques API 650 s\u00e3o retos, cil\u00edndricos e possuem fundo plano, o que facilita sua instala\u00e7\u00e3o em campo. Dependendo da instabilidade do produto, os projetos de cobertura podem incluir coberturas fixas, flutuantes ou abertas. O formato prioriza a simplicidade, otimizando o projeto e reduzindo custos para o armazenamento de grandes quantidades de ar na atmosfera.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-4\"><\/span><b>API 620:<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Tanques constru\u00eddos segundo as normas API 620 geralmente possuem tetos em forma de c\u00fapula ou tampas resistentes \u00e0 press\u00e3o, projetadas para suportar a press\u00e3o interna. Na maioria das vezes, as chapas do casco s\u00e3o maiores e mais robustas, para suportar tens\u00f5es mais elevadas. Para que tanques criog\u00eanicos funcionem em baixas temperaturas, sistemas de isolamento e camadas especiais s\u00e3o incorporados ao pr\u00f3prio formato do tanque.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Typical_Tank_Sizes\"><\/span><b>Tamanhos t\u00edpicos de tanques<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-5\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Os tanques API 650 podem armazenar diversas quantidades de petr\u00f3leo, desde pequenos tanques de processo at\u00e9 enormes tanques de armazenamento de petr\u00f3leo bruto com capacidade para mais de 100.000 barris. Por poderem ser fabricados em tamanhos variados, s\u00e3o ideais para refinarias e centros de armazenamento a granel que precisam armazenar grandes quantidades de ar sem incorrer em custos adicionais de projeto relacionados \u00e0 press\u00e3o.<\/span><\/p>\n<p><b>API 620<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Esses tanques tamb\u00e9m s\u00e3o constru\u00eddos para serem muito grandes, sendo a escolha ideal quando se necessita de grande espa\u00e7o de armazenamento, al\u00e9m de press\u00e3o interna ou opera\u00e7\u00e3o em baixas temperaturas. Por esses motivos, a norma API 620 \u00e9 a mais indicada para a constru\u00e7\u00e3o de tanques de GNL e GLP, que precisam ser grandes e resistentes.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fabrication_Erection\"><\/span><b>Fabrica\u00e7\u00e3o e Montagem<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-6\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A fabrica\u00e7\u00e3o de acordo com a norma API 650 geralmente \u00e9 feita no local com chapas de a\u00e7o soldadas entre si. O processo de montagem de um tanque \u00e9 bem conhecido e utilizado pela maioria dos fabricantes de tanques. M\u00e9todos padronizados de inspe\u00e7\u00e3o e teste ajudam a acelerar o processo de constru\u00e7\u00e3o, a acompanhar os cronogramas do projeto e a reduzir o custo total de fabrica\u00e7\u00e3o.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-5\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Para a fabrica\u00e7\u00e3o de estruturas API 620, s\u00e3o necess\u00e1rios m\u00e9todos de soldagem mais rigorosos, melhor controle de qualidade e inspe\u00e7\u00f5es mais minuciosas devido \u00e0s maiores press\u00f5es e tens\u00f5es envolvidas. Muitas vezes, a montagem exige maior controle de engenharia e m\u00e9todos de teste mais avan\u00e7ados. Isso torna o processo mais complexo, mas tamb\u00e9m mais seguro e confi\u00e1vel a longo prazo.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Materials_Allowed\"><\/span><b>Materiais Permitidos<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-7\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 650 permite, em sua maioria, produtos de a\u00e7o carbono que podem ser usados em servi\u00e7o \u00e0 temperatura e press\u00e3o ambiente. A escolha do material baseia-se na sua soldabilidade e na resist\u00eancia necess\u00e1ria para o uso di\u00e1rio. No entanto, as op\u00e7\u00f5es s\u00e3o mais limitadas quando se trata de baixas temperaturas ou necessidades especiais de servi\u00e7o.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-6\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 620 permite a utiliza\u00e7\u00e3o de uma gama mais ampla de produtos, como a\u00e7os mais resistentes a baixas temperaturas. Essa maior variedade de materiais \u00e9 muito importante para aplica\u00e7\u00f5es que exigem refrigera\u00e7\u00e3o ou congelamento. A norma garante que os materiais permane\u00e7am fortes, flex\u00edveis e n\u00e3o quebrem facilmente, mesmo em altas temperaturas.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Inspection_and_Testing_Standards\"><\/span><b>Normas de Inspe\u00e7\u00e3o e Teste<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-8\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Com base na classifica\u00e7\u00e3o conjunta, a norma API 650 exige inspe\u00e7\u00e3o adequada, teste hidrost\u00e1tico e teste radiogr\u00e1fico limitado. O programa de inspe\u00e7\u00e3o \u00e9 \u00fatil e n\u00e3o representa um custo elevado, podendo ser utilizado em tanques atmosf\u00e9ricos e, ainda assim, em conformidade com as normas de seguran\u00e7a da ind\u00fastria petrol\u00edfera.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-7\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 620 exige padr\u00f5es mais rigorosos para ensaios n\u00e3o destrutivos e testes radiogr\u00e1ficos mais abrangentes, especialmente em zonas sujeitas a press\u00e3o. Esses m\u00e9todos de verifica\u00e7\u00e3o aprimorados oferecem maior confian\u00e7a na resist\u00eancia das soldas e no comportamento da estrutura sob press\u00e3o e baixas temperaturas.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Roof_Closure_Types\"><\/span><b>Tipos de telhado e fechamento<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-9\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 650 funciona com diferentes tipos de telhados, como telhados fixos, telhados m\u00f3veis e projetos com cobertura aberta.<\/span><a href=\"https:\/\/www.kdmsteel.com\/pt\/tanque-de-teto-fixo-versus-tanque-de-teto-flutuante\/\"> <b>Tanques com teto fixo e tanques com teto flutuante<\/b><\/a><span style=\"font-weight: 400;\"> S\u00e3o frequentemente utilizadas para combust\u00edveis vol\u00e1teis, a fim de minimizar as emiss\u00f5es e a perda de vapor. As diferentes op\u00e7\u00f5es de cobertura permitem a adapta\u00e7\u00e3o a diferentes tipos de armazenamento e necessidades ambientais.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-8\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 620 geralmente utiliza coberturas em forma de c\u00fapula que suportam press\u00e3o e fazem parte do limite de press\u00e3o do tanque. Esses sistemas de cobertura s\u00e3o projetados para suportar com seguran\u00e7a a press\u00e3o do ar em seu interior. Quando GLP e gases refrigerados s\u00e3o armazenados, a constru\u00e7\u00e3o da cobertura \u00e9 crucial para manter a integridade do confinamento.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Application_Industry_Use\"><\/span><b>Aplica\u00e7\u00f5es e uso industrial<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"API_650-10\"><\/span><b>API 650<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A norma API 650 \u00e9 utilizada em diversos locais, como refinarias, postos de combust\u00edveis, esta\u00e7\u00f5es de tratamento de \u00e1gua e f\u00e1bricas. \u00c9 a melhor maneira de armazenar \u00e1gua, diesel, gasolina, petr\u00f3leo bruto e outros produtos similares sob press\u00e3o atmosf\u00e9rica. Continua sendo a norma mais popular para tanques de armazenamento devido \u00e0 sua facilidade de uso e aceita\u00e7\u00e3o global.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"API_620-9\"><\/span><b>API 620<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Em portos de GNL, instala\u00e7\u00f5es de armazenamento de GLP, plantas petroqu\u00edmicas e unidades de processamento de g\u00e1s, a norma API 620 \u00e9 a melhor escolha. Ao armazenar l\u00edquidos sob press\u00e3o ou em c\u00e2maras frigor\u00edficas, essa norma confere \u00e0 estrutura a resist\u00eancia e a confiabilidade dos materiais necess\u00e1rias para operar com seguran\u00e7a por um longo per\u00edodo.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"API_650_vs_API_620_%E2%80%93_Quick_Comparison_Table\"><\/span><b>API 650 vs API 620 \u2013 Tabela de Compara\u00e7\u00e3o R\u00e1pida<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Par\u00e2metro<\/b><\/td>\n<td><b>API 650<\/b><\/td>\n<td><b>API 620<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Faixa de press\u00e3o aplic\u00e1vel<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Press\u00e3o atmosf\u00e9rica at\u00e9 aproximadamente 2,5 psig<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acima de aproximadamente 2,5 psig, press\u00e3o baixa a moderada.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Faixa de temperatura<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Temperaturas ambientes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temperaturas baixas e criog\u00eanicas<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>\u00c2mbito e Prop\u00f3sito<\/b><\/td>\n<td><span style=\"font-weight: 400;\">tanques de armazenamento atmosf\u00e9rico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tanques pressurizados e de baixa temperatura<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Configura\u00e7\u00e3o do tanque<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Vertical, cil\u00edndrico, fundo plano<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cascas refor\u00e7adas, telhados em forma de c\u00fapula<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tamanhos t\u00edpicos de tanques<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Armazenamento atmosf\u00e9rico de grande volume<\/span><\/td>\n<td><span style=\"font-weight: 400;\">pressurizado ou refrigerado de grande volume<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Fabrica\u00e7\u00e3o e Montagem<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Soldagem de campo padr\u00e3o<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Soldagem e controles mais rigorosos<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Materiais Permitidos<\/b><\/td>\n<td><a href=\"https:\/\/www.kdmsteel.com\/pt\/aco-carbono-1066\/\"><b>A\u00e7o carbono 1066<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Materiais de baixa temperatura mais abrangentes<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Inspe\u00e7\u00e3o e Testes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Radiografia limitada<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ensaios n\u00e3o destrutivos extensivos e radiografia.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tipos de telhado e fechamento<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Telhados fixos ou flutuantes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Telhados em forma de c\u00fapula resistentes \u00e0 press\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Aplica\u00e7\u00f5es e uso industrial<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Refinarias, terminais, armazenamento de \u00e1gua<\/span><\/td>\n<td><span style=\"font-weight: 400;\">GNL, GLP, instala\u00e7\u00f5es petroqu\u00edmicas<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"API_650_vs_API_620_%E2%80%93_Which_One_Is_Best\"><\/span><b>API 650 vs API 620 \u2013 Qual \u00e9 a melhor?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49231\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-92.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-92.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-92-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-92-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-92-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">N\u00e3o existe uma \u00fanica op\u00e7\u00e3o que seja sempre a \u201cmelhor\u201d. A norma API 650 \u00e9 excelente para armazenar subst\u00e2ncias \u00e0 temperatura ambiente e press\u00e3o atmosf\u00e9rica. Para l\u00edquidos sob press\u00e3o ou muito frios, a norma API 620 \u00e9 a escolha mais segura. A norma adequada depende do tipo de produto, da temperatura, da press\u00e3o e das condi\u00e7\u00f5es de uso a longo prazo. Ao avaliar a necessidade com anteced\u00eancia, voc\u00ea pode evitar custos elevados com retrabalho.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><b>Perguntas frequentes<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Os tanques API 650 podem ser usados para armazenamento criog\u00eanico?<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\"> De forma alguma. Os tanques API 650 n\u00e3o s\u00e3o projetados para uso em condi\u00e7\u00f5es de frio. Eles s\u00f3 podem ser usados em situa\u00e7\u00f5es onde a temperatura esteja pr\u00f3xima da temperatura ambiente.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_API_620_tanks_work_when_the_pressure_outside_is_normal\"><\/span><b>Tanques API 620 podem funcionar quando a press\u00e3o externa est\u00e1 normal?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u00c9 poss\u00edvel que tanques API 620 funcionem com press\u00e3o atmosf\u00e9rica normal. No entanto, eles s\u00e3o geralmente escolhidos quando se prev\u00ea uma press\u00e3o interna mais elevada.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"API_620_or_API_650_Which_costs_less\"><\/span><b>API 620 ou API 650? Qual custa menos?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Na maioria das vezes, os tanques API 650 s\u00e3o mais baratos. Isso ocorre porque os padr\u00f5es de projeto, materiais e inspe\u00e7\u00f5es s\u00e3o menos rigorosos.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_it_possible_to_change_an_API_650_tank_to_an_API_620_tank\"><\/span><b>\u00c9 poss\u00edvel converter um tanque API 650 em um tanque API 620?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A mudan\u00e7a da norma API 650 para a API 620 n\u00e3o \u00e9 simples. Geralmente, exige uma grande reformula\u00e7\u00e3o e refor\u00e7o estrutural.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_are_inspections_done_for_API_620_and_API_650_the_same\"><\/span><b>Quais s\u00e3o as semelhan\u00e7as nas inspe\u00e7\u00f5es para as normas API 620 e API 650?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">N\u00e3o, as regras de inspe\u00e7\u00e3o s\u00e3o diferentes para cada norma. A API 620 exige testes mais rigorosos que n\u00e3o causem danos.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_API_620_and_API_650_be_used_together\"><\/span><b>As APIs 620 e 650 podem ser usadas em conjunto?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">N\u00e3o, voc\u00ea n\u00e3o pode usar essas normas em vez uma da outra. A press\u00e3o de projeto e a temperatura de opera\u00e7\u00e3o s\u00e3o os \u00fanicos fatores que importam para a sele\u00e7\u00e3o.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Do_radiography_tests_have_to_be_done_for_API_620\"><\/span><b>\u00c9 necess\u00e1rio realizar exames radiogr\u00e1ficos para a certifica\u00e7\u00e3o API 620?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sim, os testes radiogr\u00e1ficos s\u00e3o exigidos pela norma API 620. Na maioria das vezes, as normas s\u00e3o mais rigorosas do que as da API 650.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_temperature_play_a_role_in_choosing_between_API_620_and_650\"><\/span><b>A temperatura influencia a escolha entre as normas API 620 e 650?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sim, o clima \u00e9 um fator muito importante na escolha de uma norma. Aplica\u00e7\u00f5es que precisam funcionar em temperaturas baixas ou frias geralmente exigem a norma API 620.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Get_Customized_Storage_Tanks_from_KDM_Steel\"><\/span><b>Obtenha tanques de armazenamento personalizados da KDM Steel.<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49232\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-93.png\" alt=\"\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-93.png 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-93-150x84.png 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-93-768x432.png 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/02\/ARTICLE-93-18x10.png 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Dependendo das necessidades do seu projeto,<\/span> <span style=\"font-weight: 400;\">A\u00e7o KDM<\/span><span style=\"font-weight: 400;\"> Podemos construir tanques de armazenamento projetados de acordo com as normas API 650 ou API 620. Para iniciar seu projeto, confira nossas Solu\u00e7\u00f5es para Tanques de Armazenamento, Servi\u00e7os de Fabrica\u00e7\u00e3o em A\u00e7o, Servi\u00e7os de Processo de Controle de Qualidade e<\/span><a href=\"https:\/\/www.kdmsteel.com\/pt\/contato\/\"> <b>Contate-nos<\/b><\/a><span style=\"font-weight: 400;\"> Receba hoje mesmo seus or\u00e7amentos personalizados.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>API 650 vs. API 620 is often the question that comes up when choosing a welded steel holding tank for oil, gas or chemical service. Both standards come from the American Petroleum Institute and tell you how to build a tank, but they are for different temperatures and pressures. Making the right choice will protect [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":49227,"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-49226","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 v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>API 650 vs API 620 \u2013 Which One Should You Choose for Your Storage Tank? - 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\/pt\/api-650-vs-api-620\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"API 650 vs API 620 \u2013 Which One Should You Choose for Your Storage Tank? - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"API 650 vs. API 620 is often the question that comes up when choosing a welded steel holding tank for oil, gas or chemical service. 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