{"id":55301,"date":"2025-12-15T07:05:06","date_gmt":"2025-12-15T07:05:06","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=55301"},"modified":"2026-01-13T01:22:12","modified_gmt":"2026-01-13T01:22:12","slug":"resistencia-a-corrosao-do-aco-inoxidavel","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/pt\/resistencia-a-corrosao-do-aco-inoxidavel\/","title":{"rendered":"Resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"55301\" class=\"elementor elementor-55301\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fb1afbc e-flex e-con-boxed e-con e-parent\" data-id=\"fb1afbc\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eec7658 elementor-widget elementor-widget-text-editor\" data-id=\"eec7658\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong> A resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel \u00e9 a caracter\u00edstica mais fundamental do a\u00e7o inoxid\u00e1vel. <a href=\"https:\/\/www.kaysuns.com\/pt\/tubos-de-aco-inoxidavel\/\" target=\"_blank\" rel=\"noopener\">tubos de a\u00e7o inoxid\u00e1vel<\/a> e <a href=\"https:\/\/www.kaysuns.com\/pt\/conexoes-para-tubos-de-aco-inoxidavel\/\" target=\"_blank\" rel=\"noopener\">acess\u00f3rios<\/a> \u00c9 exatamente essa propriedade que torna o material indispens\u00e1vel em in\u00fameras aplica\u00e7\u00f5es industriais e de consumo.<br \/>O a\u00e7o inoxid\u00e1vel enferruja? Alcan\u00e7ar e manter essa resist\u00eancia \u00e0 corros\u00e3o requer um conhecimento profundo da composi\u00e7\u00e3o qu\u00edmica da liga e do ambiente operacional.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0980863 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0980863\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0c4974e\" data-id=\"0c4974e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71859ce elementor-widget elementor-widget-heading\" data-id=\"71859ce\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">O mecanismo por tr\u00e1s da resist\u00eancia \u00e0 corros\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdcf770 elementor-widget elementor-widget-text-editor\" data-id=\"fdcf770\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As propriedades excepcionais do a\u00e7o inoxid\u00e1vel resultam de um fen\u00f4meno natural conhecido como passiva\u00e7\u00e3o, que envolve uma rea\u00e7\u00e3o qu\u00edmica entre o cromo e o oxig\u00eanio.<\/p><ol><li><b>O papel do cromo:<br \/><\/b>O a\u00e7o inoxid\u00e1vel cont\u00e9m um m\u00ednimo de 10,5% de cromo.<\/li><li><strong>Forma\u00e7\u00e3o de filme passivo<\/strong>:<br \/>Quando o cromo \u00e9 exposto ao ar ou \u00e0 \u00e1gua, ele forma instantaneamente uma camada fina e transparente de \u00f3xido de cromo (Cr<sub>2<\/sub>O<sub>3<\/sub>).<\/li><li><b>Autocura:<br \/><\/b>Essa pel\u00edcula protetora n\u00e3o \u00e9 porosa e \u00e9 altamente est\u00e1vel. Se a superf\u00edcie for arranhada, a pel\u00edcula se regenera imediatamente, desde que haja oxig\u00eanio dispon\u00edvel. Essa capacidade de autocura confere ao material sua qualidade inoxid\u00e1vel.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a3a5aa5 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a3a5aa5\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6ba0c51\" data-id=\"6ba0c51\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b07b2a elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"9b07b2a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">O que fazemos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4069cd6 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"4069cd6\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Placa<\/li><li>Folha<\/li><li>Forjados<\/li><li>Barra redonda<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-831548b elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"831548b\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Mesa<\/li><li>Tubos<\/li><li>Conex\u00f5es<\/li><li>Personalizado<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-abcdc6d\" data-id=\"abcdc6d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9468137 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9468137\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Entre em contato conosco para obter mais informa\u00e7\u00f5es\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3838b40 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"3838b40\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contate-nos<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8f58f2e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8f58f2e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a85f61c\" data-id=\"a85f61c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b53809 elementor-widget elementor-widget-heading\" data-id=\"6b53809\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Fatores que comprometem a resist\u00eancia \u00e0 corros\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb43b0a elementor-widget elementor-widget-text-editor\" data-id=\"bb43b0a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Embora o a\u00e7o inoxid\u00e1vel seja altamente resistente, ele n\u00e3o \u00e9 imune a todas as formas de ataque. Certas condi\u00e7\u00f5es podem romper a camada passiva, levando \u00e0 corros\u00e3o localizada.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dad3f23 elementor-widget elementor-widget-accordion\" data-id=\"dad3f23\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2291\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2291\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Concentra\u00e7\u00e3o de cloreto<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2291\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2291\"><p>Altos n\u00edveis de \u00edons de cloreto, comuns em \u00e1gua salgada ou alvejante, s\u00e3o altamente destrutivos. Os cloretos quebram quimicamente a pel\u00edcula passiva localmente, o que leva diretamente \u00e0 corros\u00e3o por pites e fendas.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2292\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2292\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Ambientes com baixo teor de oxig\u00eanio<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2292\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2292\"><p>Em condi\u00e7\u00f5es de priva\u00e7\u00e3o de oxig\u00eanio, o filme de passiva\u00e7\u00e3o n\u00e3o pode se autorreparar, acelerando assim a corros\u00e3o localizada nessas \u00e1reas.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2293\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2293\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Temperatura<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2293\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2293\"><p data-path-to-node=\"7,2,0\">Temperaturas elevadas aumentam a taxa de rea\u00e7\u00f5es qu\u00edmicas e ultrapassar a temperatura cr\u00edtica de corros\u00e3o (CPT) do material aumenta significativamente a vulnerabilidade.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2294\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2294\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Contamina\u00e7\u00e3o da superf\u00edcie<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2294\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2294\"><p>O a\u00e7o carbono incorporado ou as part\u00edculas de ferro das ferramentas de corte podem ser transferidos para a superf\u00edcie inoxid\u00e1vel, enferrujando facilmente. Esse processo consome o oxig\u00eanio local, o que leva \u00e0 ruptura da camada passiva subjacente.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-253f479 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"253f479\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7d9d918\" data-id=\"7d9d918\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-06ced4b elementor-widget elementor-widget-heading\" data-id=\"06ced4b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Aumento da resist\u00eancia \u00e0 corros\u00e3o por meio da sele\u00e7\u00e3o de classes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-831ad3f elementor-widget elementor-widget-text-editor\" data-id=\"831ad3f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A sele\u00e7\u00e3o do material \u00e9 a etapa mais importante para garantir o desempenho de longo prazo. Elementos de liga espec\u00edficos s\u00e3o adicionados para adequar o a\u00e7o a condi\u00e7\u00f5es extremas.<\/p><ul><li data-path-to-node=\"10,0,0\"><b>Molibd\u00eanio (Mo):<br \/><\/b>A adi\u00e7\u00e3o de molibd\u00eanio melhora consideravelmente a resist\u00eancia \u00e0 corros\u00e3o por pite e em frestas, especialmente em ambientes com cloreto. O grau 316, que cont\u00e9m molibd\u00eanio, \u00e9 muito superior ao 304 em ambientes marinhos ou qu\u00edmicos.<\/li><li data-path-to-node=\"10,1,0\"><b>N\u00edquel (Ni):<br \/><\/b>O n\u00edquel estabiliza a estrutura austen\u00edtica, o que aumenta a tenacidade e a resist\u00eancia geral a rachaduras por corros\u00e3o sob tens\u00e3o.<\/li><li data-path-to-node=\"10,2,0\"><b>Nitrog\u00eanio (N):<br \/><\/b>O nitrog\u00eanio aumenta a resist\u00eancia e melhora ainda mais a resist\u00eancia \u00e0 corros\u00e3o. Esse elemento \u00e9 essencial nos a\u00e7os inoxid\u00e1veis duplex de alto desempenho.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-6b27bbd e-flex e-con-boxed e-con e-parent\" data-id=\"6b27bbd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5481598 elementor-cta--layout-image-right elementor-cta--mobile-layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"5481598\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/12\/Corrosion-Resistance-of-Stainless-Steel-CTA-scaled.webp);\" role=\"img\" aria-label=\"Resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel - CTA\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tSinta-se \u00e0 vontade para entrar em contato conosco\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tA KAYSUNS oferece solu\u00e7\u00f5es em pacotes para materiais de tubula\u00e7\u00e3o, como tubos, conex\u00f5es, flanges, v\u00e1lvulas, placas, forjados, lingotes de a\u00e7o inoxid\u00e1vel, duplex e a\u00e7os-liga, todos os tipos de fixadores (parafusos, porcas, arruelas planas, arruelas de press\u00e3o) e outros produtos. Aceitamos servi\u00e7os personalizados para nossos produtos e alguns deles podem ser fornecidos em pequenas quantidades. Se tiver alguma d\u00favida sobre nossa empresa e nossos produtos, entre em contato conosco.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-\">\n\t\t\t\t\t\tObter cota\u00e7\u00e3o\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59b4b46 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59b4b46\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f49e2a4\" data-id=\"f49e2a4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e1bb1a elementor-widget elementor-widget-heading\" data-id=\"7e1bb1a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">O papel do PREN na previs\u00e3o de desempenho<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3940a36 elementor-widget elementor-widget-text-editor\" data-id=\"3940a36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O PREN (Pitting Resistance Equivalent Number) \u00e9 uma ferramenta amplamente aceita, que permite aos engenheiros prever a resist\u00eancia relativa de diferentes tipos de a\u00e7o inoxid\u00e1vel a ataques localizados.<\/p><p align=\"center\"><strong>PREN = %Cr + 3,3(%Mo) + 16(%N)<\/strong><\/p><p>Um valor mais alto de PREN indica maior resist\u00eancia \u00e0 corros\u00e3o. Por exemplo, o 316L padr\u00e3o tem um PREN de aproximadamente 25. <a href=\"https:\/\/www.kaysuns.com\/pt\/fornecedor-de-tubos-duplex-2205-2507\/\" target=\"_blank\" rel=\"noopener\">Super Duplex 2507<\/a> frequentemente excede 40. Isso significa que o Super Duplex \u00e9 necess\u00e1rio para aplica\u00e7\u00f5es agressivas em alto-mar ou de processamento qu\u00edmico.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-192bf01 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"192bf01\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-12a4427\" data-id=\"12a4427\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-480f428 elementor-widget elementor-widget-heading\" data-id=\"480f428\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pr\u00e1ticas recomendadas de fabrica\u00e7\u00e3o e manuten\u00e7\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1edfcc8 elementor-widget elementor-widget-text-editor\" data-id=\"1edfcc8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A qualidade da fabrica\u00e7\u00e3o afeta diretamente a resist\u00eancia final \u00e0 corros\u00e3o do componente, e nossa experi\u00eancia operacional mostra que essas etapas s\u00e3o fundamentais:<\/p><ul><li data-path-to-node=\"17,0,0\"><b>Segrega\u00e7\u00e3o estrita:<br \/><\/b>Certifique-se de armazenar as ferramentas de a\u00e7o inoxid\u00e1vel separadamente das ferramentas de a\u00e7o carbono para evitar a contamina\u00e7\u00e3o da superf\u00edcie.<\/li><li data-path-to-node=\"17,1,0\"><b>Decapagem e passiva\u00e7\u00e3o:<br \/><\/b>O tratamento qu\u00edmico (decapagem) remove a camada danificada e, em seguida, a passiva\u00e7\u00e3o reconstr\u00f3i totalmente a camada passiva.<\/li><li data-path-to-node=\"17,2,0\"><b>Limpeza regular:<br \/><\/b>A limpeza regular da superf\u00edcie remove dep\u00f3sitos corrosivos, como sal e sujeira, evitando assim o ac\u00famulo localizado de produtos qu\u00edmicos que poderiam comprometer a camada de passiva\u00e7\u00e3o.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-999ac14 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"999ac14\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ecf8eca\" data-id=\"ecf8eca\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-140cb2c elementor-widget elementor-widget-heading\" data-id=\"140cb2c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Resist\u00eancia \u00e0 corros\u00e3o em graus comuns de a\u00e7o inoxid\u00e1vel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-191db5c elementor-widget elementor-widget-text-editor\" data-id=\"191db5c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Grau (ASTM)<\/th>\n<th>Principais ligas<\/th>\n<th>Valor PREN (t\u00edpico)<\/th>\n<th>Aplicativo principal<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">304\/304L<\/td>\n<td>Cr, Ni<\/td>\n<td>18<\/td>\n<td>Industrial geral, Processamento de alimentos<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">316\/316L<\/td>\n<td>Cr, Ni, Mo<\/td>\n<td>25<\/td>\n<td>Marinha leve, processamento qu\u00edmico<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">2205 (Duplex)<\/td>\n<td>Cr, Ni, Mo, N<\/td>\n<td>35<\/td>\n<td>Tubula\u00e7\u00e3o de alta resist\u00eancia, resist\u00eancia \u00e0 corros\u00e3o por estresse<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">2507 (Super Duplex)<\/td>\n<td>Alto Cr, Mo, N<\/td>\n<td>42<\/td>\n<td>Plataformas offshore, usinas de dessaliniza\u00e7\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-07662d1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"07662d1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-88bd522\" data-id=\"88bd522\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4139799 elementor-widget elementor-widget-heading\" data-id=\"4139799\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">M\u00e9todos para testar a resist\u00eancia \u00e0 corros\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f6b13a elementor-widget elementor-widget-text-editor\" data-id=\"1f6b13a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>M\u00e9todo de teste (ASTM)<\/th>\n<th>Finalidade<\/th>\n<th>Falha de material indicada<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">G48<\/td>\n<td>Mede a resist\u00eancia \u00e0 corros\u00e3o\/crava\u00e7\u00e3o<\/td>\n<td>Perda de peso, densidade do caro\u00e7o<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">A262 Pr\u00e1tica E<\/td>\n<td>Corros\u00e3o intergranular (teste de solda)<\/td>\n<td>Sensibiliza\u00e7\u00e3o (deple\u00e7\u00e3o de cromo)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">G39<\/td>\n<td>Rachadura por corros\u00e3o sob tens\u00e3o (SCC)<\/td>\n<td>Tempo para fraturar sob tens\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2887a41 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2887a41\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-889a512\" data-id=\"889a512\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fae2fab elementor-widget elementor-widget-heading\" data-id=\"fae2fab\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contate-nos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6403d4 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"d6403d4\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<span class=\"elementor-divider__text elementor-divider__element\">\n\t\t\t\tEntre em contato\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2540801 elementor-align-start 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