{"id":8978,"date":"2026-06-12T08:42:13","date_gmt":"2026-06-12T08:42:13","guid":{"rendered":"https:\/\/elioteknology.com\/sem-categoria\/passivacao-de-soldadura\/"},"modified":"2026-06-12T08:42:17","modified_gmt":"2026-06-12T08:42:17","slug":"passivacao-de-soldadura","status":"publish","type":"post","link":"https:\/\/elioteknology.com\/pt-pt\/produtos\/passivacao-de-soldadura\/","title":{"rendered":"Passiva\u00e7\u00e3o de soldadura"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#e2e2e2;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-1\"><p>Todos os tanques da ELIOTEKNOLOGY beneficiam de <strong>soldaduras aprovadas<\/strong>, produzidas nas <a href=\"https:\/\/elioteknology.com\/pt-pt\/produtos\/linhas-de-fabrico\/\">nossas pr\u00f3prias linhas de fabrico<\/a>.<\/p>\n<p><strong>Princ\u00edpio<\/strong><\/p>\n<p>A soldadura altera a estrutura metal\u00fargica e destr\u00f3i a camada <strong>passiva natural<\/strong> (geralmente \u00f3xido de cr\u00f3mio, Cr\u2082O\u2083, para o a\u00e7o inoxid\u00e1vel) que protege o a\u00e7o inoxid\u00e1vel da corros\u00e3o.<\/p>\n<p>A passiva\u00e7\u00e3o <strong>reconstr\u00f3i esta camada<\/strong>, removendo os contaminantes (\u00f3xidos de ferro, part\u00edculas de ferro livre, res\u00edduos de soldadura) e promovendo a forma\u00e7\u00e3o de uma pel\u00edcula protetora uniforme que impede a corros\u00e3o do a\u00e7o inoxid\u00e1vel.<\/p>\n<p><strong>Objetivos<\/strong><\/p>\n<ul>\n<li><strong>Melhorar a resist\u00eancia \u00e0 corros\u00e3o<\/strong> (particularmente \u00e0 corros\u00e3o por picagem ou intergranular).<\/li>\n<li><strong>Eliminar as impurezas<\/strong> (ferro livre, \u00f3xidos, res\u00edduos de fluxo de soldadura).<\/li>\n<li><strong>Restaurar as propriedades anticorrosivas da liga<\/strong> (por exemplo, a\u00e7o inoxid\u00e1vel 304\/316).<\/li>\n<li><strong>Preparar a superf\u00edcie para tratamentos subsequentes<\/strong> (pintura, revestimento).<\/li>\n<\/ul>\n<p>Sem passiva\u00e7\u00e3o, uma soldadura em a\u00e7o inoxid\u00e1vel tende a <strong>enferrujar localmente<\/strong>.<\/p>\n<\/div><style type=\"text\/css\">.fusion-gallery-1 .fusion-gallery-image {border:0px solid #e2e2e2;}<\/style><div class=\"fusion-gallery fusion-gallery-container fusion-grid-3 fusion-columns-total-2 fusion-gallery-layout-grid fusion-gallery-1\" style=\"margin:-5px;\"><div style=\"padding:5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-3 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35.jpg\" data-title=\"Soudure passiv\u00e9e\" title=\"Soudure passiv\u00e9e\" data-caption=\"Soudure passiv\u00e9e\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35.jpg\" width=\"1702\" height=\"1276\" alt=\"Gros plan sur soudure passiv\u00e9e\" title=\"Soudure passiv\u00e9e\" aria-label=\"Soudure passiv\u00e9e\" class=\"img-responsive wp-image-8976\" srcset=\"https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35-200x150.jpg 200w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35-400x300.jpg 400w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35-600x450.jpg 600w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35-800x600.jpg 800w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35-1200x900.jpg 1200w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175458_20_35.jpg 1702w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 784px) 397px, (min-width: 712px) 595px, (min-width: 640px) 712px, \" \/><\/a><\/div><\/div><div style=\"padding:5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-3 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35.jpg\" data-title=\"Soudure passiv\u00e9e\" title=\"Soudure passiv\u00e9e\" data-caption=\"Soudure passiv\u00e9e\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35.jpg\" width=\"1702\" height=\"1276\" alt=\"Gros plan sur soudure passiv\u00e9e\" title=\"Soudure passiv\u00e9e\" aria-label=\"Soudure passiv\u00e9e\" class=\"img-responsive wp-image-8977\" srcset=\"https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35-200x150.jpg 200w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35-400x300.jpg 400w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35-600x450.jpg 600w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35-800x600.jpg 800w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35-1200x900.jpg 1200w, https:\/\/elioteknology.com\/wp-content\/uploads\/2026\/05\/Image_20260429175459_21_35.jpg 1702w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 784px) 397px, (min-width: 712px) 595px, (min-width: 640px) 712px, \" \/><\/a><\/div><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[136],"tags":[],"class_list":["post-8978","post","type-post","status-publish","format-standard","hentry","category-produtos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Passiva\u00e7\u00e3o de soldadura - ElioTeknology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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