{"id":48744,"date":"2025-02-11T07:14:32","date_gmt":"2025-02-11T07:14:32","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=48744"},"modified":"2025-09-05T06:30:59","modified_gmt":"2025-09-05T06:30:59","slug":"nove-pontos-chave-sobre-a-soldagem-de-hastelloy-c-276","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/pt\/nine-key-points-about-welding-hastelloy-c-276\/","title":{"rendered":"O resumo mais completo! Preste aten\u00e7\u00e3o a esses nove pontos-chave sobre a soldagem do Hastelloy C-276."},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"48744\" class=\"elementor elementor-48744\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a78a8d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a78a8d3\" data-element_type=\"section\" data-e-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-38ad204\" data-id=\"38ad204\" data-element_type=\"column\" data-e-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-a4c365b elementor-widget elementor-widget-text-editor\" data-id=\"a4c365b\" data-element_type=\"widget\" data-e-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>Hastelloy C-276<\/strong>, UNS N10276, or C276 for short, is one of the most common nickel-based corrosion-resistant alloys. It is suitable for a variety of chemical industries containing oxidizing and reducing media. The higher <a href=\"https:\/\/www.kaysuns.com\/role-of-molybdenum-in-stainless-steel-pipes-and-fittings\/\" target=\"_blank\" rel=\"noopener\">molybdenum<\/a> and chromium content makes the alloy resistant to chloride ion corrosion. The tungsten element further improves the corrosion resistance.<\/p><p>Hastelloy C-276 is one of only a few materials resistant to corrosion by moist chlorine, hypochlorite and chlorine dioxide solutions. There is significant corrosion resistance to high concentrations of chlorinated salt solutions such as ferric chloride and copper chloride.<\/p><p>Hastelloy C-276 has 9 major considerations in welding, our summary is as follows.<\/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-fb4ea39 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb4ea39\" data-element_type=\"section\" data-e-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-41f784d\" data-id=\"41f784d\" data-element_type=\"column\" data-e-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-3b632b6 elementor-widget elementor-widget-heading\" data-id=\"3b632b6\" data-element_type=\"widget\" data-e-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\">Cleaning Hastelloy C-276<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76d2363 elementor-widget elementor-widget-text-editor\" data-id=\"76d2363\" data-element_type=\"widget\" data-e-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>Dirt and oxides adhere to the surface of the Hastelloy. Therefore the weld area must remain clean when welding. The weld area can be ground with an angle grinder until a metallic sheen is revealed. The width of the cleaning should be more than 100mm to ensure that impurities do not enter the welding area.<\/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-bb8c0e8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bb8c0e8\" data-element_type=\"section\" data-e-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-b11cb55\" data-id=\"b11cb55\" data-element_type=\"column\" data-e-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-da1d252 elementor-widget elementor-widget-heading\" data-id=\"da1d252\" data-element_type=\"widget\" data-e-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\">Welding Methods For Hastelloy C-276<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f6aea3 elementor-widget elementor-widget-text-editor\" data-id=\"6f6aea3\" data-element_type=\"widget\" data-e-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>Welding is generally carried out using the DC positive connection method. When DC positive connection, the tungsten grade temperature is low, the permissible current is large, and the loss of tungsten grade is small. The end of the tungsten grade is ground to 30\u00b0 and the head is slightly ground flat.<\/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-d9efc20 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d9efc20\" data-element_type=\"section\" data-e-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-790332d\" data-id=\"790332d\" data-element_type=\"column\" data-e-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-9739f4b elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"9739f4b\" data-element_type=\"widget\" data-e-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<div class=\"elementor-cta\">\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\/02\/Hastelloy-C-276-call-to-action.jpeg);\" role=\"img\" aria-label=\"Hastelloy C-276-call to action\"><\/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\tHastelloy C-276\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\tContact us if you have any questions about this product or need a high quality product supplier. We can also supply pipe fittings, flanges, forgings and other products.\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<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"\/contact\/\" target=\"_blank\">\n\t\t\t\t\t\tGET A QUOTE\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\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-cb7f221 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cb7f221\" data-element_type=\"section\" data-e-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-381e3b3\" data-id=\"381e3b3\" data-element_type=\"column\" data-e-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-70a2b8e elementor-widget elementor-widget-heading\" data-id=\"70a2b8e\" data-element_type=\"widget\" data-e-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\">Gas Protection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-445a0b8 elementor-widget elementor-widget-text-editor\" data-id=\"445a0b8\" data-element_type=\"widget\" data-e-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>Hastelloy C-276 must take measures to minimize the decline in corrosion resistance of the weld and heat-affected zone. Such as tungsten gas shielded welding (GTAW), metal pole gas shielded welding (GMAW), submerged arc welding. As well as a number of other welding methods that can minimize the decline in corrosion resistance of the weld and heat-affected zone.<\/p><p>Consider the obvious effect of argon gas protection. Good protection, heat concentration, good welding quality, small heat-affected zone, small deformation of the weldment, minimizing the corrosion resistance of the weldment and heat-affected zone.<\/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-6bcd1f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6bcd1f4\" data-element_type=\"section\" data-e-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-d782c78\" data-id=\"d782c78\" data-element_type=\"column\" data-e-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-7fd13b4 elementor-widget elementor-widget-heading\" data-id=\"7fd13b4\" data-element_type=\"widget\" data-e-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\">Welding Bevel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd68a97 elementor-widget elementor-widget-text-editor\" data-id=\"fd68a97\" data-element_type=\"widget\" data-e-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>Welding bevels are preferably cold-finished. This ensures that the shape, size and roughness of the machined surface conforms to the regulations. Pre-welding bevel machining will bring about work hardening, so pre-welding grinding of the machined bevel is necessary. Welding bevel should not have delamination, folding, cracking, tearing and other defects.<\/p><p>The weld bevel and its nearby range of metal surface grinding to remove the oxidation color. At the same time with ethanol and other oxide-free solvent cleaning to remove grease and other contaminants. The solvent for application should be a leather supply or cellulose sponge that does not lint when cleaning. Contact of contaminants and harmful substances with the workpiece should be eliminated to avoid contamination of the workpiece.<\/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-d8e0213 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d8e0213\" data-element_type=\"section\" data-e-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-a450250\" data-id=\"a450250\" data-element_type=\"column\" data-e-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-3e06629 elementor-widget elementor-widget-heading\" data-id=\"3e06629\" data-element_type=\"widget\" data-e-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\">Welding Materials Selection For Hastelloy C-276<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a15808 elementor-widget elementor-widget-text-editor\" data-id=\"1a15808\" data-element_type=\"widget\" data-e-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>Choose ERNiCrMo-4 wire, electrode using ENiCrMo-4.This wire has excellent corrosion resistance and process performance. Its chemical composition is similar to the base material and contains more manganese than the base material, which improves crack resistance and controls porosity during welding. The particularly low carbon serves to prevent the risk of <a href=\"https:\/\/www.kaysuns.com\/intergranular-corrosion-hidden-danger\/\" target=\"_blank\" rel=\"noopener\">intergranular corrosion<\/a>.<\/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-7008bdc elementor-widget elementor-widget-text-editor\" data-id=\"7008bdc\" data-element_type=\"widget\" data-e-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 border=\"1\">\n  <thead>\n    <tr>\n      <th bgcolor=\"#00a0e9\" rowspan=\"2\">Base Material<\/th>\n      <th bgcolor=\"#00a0e9\" colspan=\"2\">AWS Standard<\/th>\n    <\/tr>\n    <tr>\n      <th bgcolor=\"#00a0e9\">SMAW Welding Rods<\/th>\n      <th bgcolor=\"#00a0e9\">GTAW Welding Wire<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n\n    <tr>\n      <td bgcolor=\"#05B8E4\">C276 and C276<\/td>\n      <td>ENiCrMo-4<\/td>\n      <td>ER NiCrMo-4<\/td>\n    <\/tr>\n    <tr>\n      <td bgcolor=\"#05B8E4\">C276 with carbon or low alloy steel<\/td>\n      <td>ENiCrMo-3 | ENiCrMo-4<\/td>\n      <td>ERNiCrMo-3 | ERNiCrMo-4<\/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-7c73f4d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c73f4d\" data-element_type=\"section\" data-e-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-42b3863\" data-id=\"42b3863\" data-element_type=\"column\" data-e-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-ba58e59 elementor-widget elementor-widget-heading\" data-id=\"ba58e59\" data-element_type=\"widget\" data-e-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\">Preheat And Interlayer Temperature<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6eda602 elementor-widget elementor-widget-text-editor\" data-id=\"6eda602\" data-element_type=\"widget\" data-e-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>Preheating is generally not necessary for Hastelloy welding in a room temperature environment. Only when the temperature is below zero or when moisture collects, the base material should be heated. However, the heating temperature is only going to be up to 30-40 \u00b0C.<\/p><p>During the welding process, the weld metal at high temperatures (375-875 \u00b0 C) for a long time will form a Fe-Cr metal compounds, i.e. \u03c3 phase. Its properties are extremely hard and brittle, and distributed at the grain boundaries, resulting in a decline in the impact toughness of the weld metal and embrittlement.<\/p><p>The use of multi-layer welding, the interlayer temperature must be lower than 90 \u2103. The purpose is to prevent overgrowth at 375-875 \u2103, causing \u03c3-phase embrittlement.<\/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-c291139 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c291139\" data-element_type=\"section\" data-e-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-f8f516b\" data-id=\"f8f516b\" data-element_type=\"column\" data-e-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-0fa7cde elementor-widget elementor-widget-heading\" data-id=\"0fa7cde\" data-element_type=\"widget\" data-e-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\">Precautions When Welding<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-957af7a elementor-widget elementor-widget-text-editor\" data-id=\"957af7a\" data-element_type=\"widget\" data-e-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>In order to reduce the welding heat input, try to use small welding current, fast welding method for welding. Hastelloy is prone to cracking at the closing position, so be sure to fill the arc pit when closing the arc. Before starting the arc welding again, the previous arc pit should be polished, and then cleaned with a soft brush before subsequent welding. These two treatments can inhibit the generation of thermal cracks.<\/p><p>In welded joints are prone to intergranular corrosion. Including intergranular corrosion of the weld, the superheated zone immediately adjacent to the fusion line \u201cknife corrosion\u201d and the heat affected zone <a href=\"https:\/\/www.kaysuns.com\/what-is-sensitization-of-stainless-steel-and-how-to-prevent-it\/\" target=\"_blank\" rel=\"noopener\">sensitization<\/a> temperature of intergranular corrosion.<\/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-2442932 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2442932\" data-element_type=\"section\" data-e-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-7431e07\" data-id=\"7431e07\" data-element_type=\"column\" data-e-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-e04175d elementor-widget elementor-widget-image\" data-id=\"e04175d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"541\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379-1024x541.jpeg\" class=\"attachment-large size-large wp-image-48769\" alt=\"Hastelloy C-276-p1\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379-1024x541.jpeg 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379-300x158.jpeg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379-768x406.jpeg 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379-1536x811.jpeg 1536w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379-18x10.jpeg 18w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/02\/Hastelloy-C-276-p1-e1739256927379.jpeg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-b63a329 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b63a329\" data-element_type=\"section\" data-e-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-04a911b\" data-id=\"04a911b\" data-element_type=\"column\" data-e-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-90b1ff5 elementor-widget elementor-widget-heading\" data-id=\"90b1ff5\" data-element_type=\"widget\" data-e-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\">Post-welding Heat Treatment<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5efac25 elementor-widget elementor-widget-text-editor\" data-id=\"5efac25\" data-element_type=\"widget\" data-e-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>In very harsh environments, C-276 material and welds should carry out solution heat treatment for optimum corrosion resistance.<\/p><p>Hastelloy C-276 alloy material solid solution heat treatment, including two basic processes. First, heating at 1040 \u2103 ~ 1150 \u2103. Two, rapid cooling to the black state (about 400 \u2103) within two minutes. The material thus treated has excellent corrosion resistance. Therefore only stress relief heat treatment of Hastelloy C-276 alloy is ineffective. The surface of the alloy should be cleaned of all dirt, including oil, before heat treatment.<\/p><p>The surface of Hastelloy C-276 alloy produces oxides during welding or heat treatment. It will reduce the Cr content of the alloy and affect the corrosion resistance. So it is necessary to clean the surface. You can use stainless steel wire brushes or grinding wheels, next immersed in a mixture of the appropriate proportion of nitric acid and hydrofluoric acid acid pickling, and finally rinsed clean with water.<\/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-ecafe8c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ecafe8c\" data-element_type=\"section\" data-e-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-ff16738\" data-id=\"ff16738\" data-element_type=\"column\" data-e-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-6315af0 elementor-widget elementor-widget-heading\" data-id=\"6315af0\" data-element_type=\"widget\" data-e-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\">Welding Tool Precautions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3dbebed elementor-widget elementor-widget-text-editor\" data-id=\"3dbebed\" data-element_type=\"widget\" data-e-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>Processing tools should be nickel alloy specific cleaning tools. These tools should be stored separately and clearly labeled to prevent confusion with other tools.<\/p><p>Care should be taken to prevent contact between the workpiece and metals with low melting points. This is to avoid the embrittlement of unstable metals due to the increase of carbon or sulfur. The manufacturing process should also limit the use of thermometric chalk, ink, and grease.<\/p><p>The grinding wheel used for workpiece sanding should be free of ferrous ions. And the bonding agent should not be an organic resin.<\/p><p>Secure the weldment in the same way before formal welding, with the locating weld eventually being incorporated into the formal weld. Do not force the weldment together, as this may lead to localized hardening and compromise quality.<\/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-2581a5d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2581a5d\" data-element_type=\"section\" data-e-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-38bca27\" data-id=\"38bca27\" data-element_type=\"column\" data-e-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-bf13813 elementor-widget elementor-widget-text-editor\" data-id=\"bf13813\" data-element_type=\"widget\" data-e-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>You May Also Want To Read:<br \/><a href=\"https:\/\/www.kaysuns.com\/alloy-625-vs-hastelloy-c276\/\" target=\"_blank\" rel=\"noopener\">Alloy 625 VS Hastelloy C276<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/master-harsh-chemicals-with-hastelloy-c22\/\" target=\"_blank\" rel=\"noopener\">Master Harsh Chemicals with Hastelloy C22.<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/blog\/what-is-the-difference-between-hastelloy-c22-and-c276\/\" target=\"_blank\" rel=\"noopener\">What is the difference between Hastelloy C22 and C276?<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/blog\/what-is-hastelloy-b2-alloy\/\" target=\"_blank\" rel=\"noopener\">Hastelloy B2 Alloy Overview<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/hastelloy-c4-uns-n06455\/\" target=\"_blank\" rel=\"noopener\">Hastelloy C4 | UNS N06455 A Stable Workhorse in High Pressure Pipe Systems<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/hastelloy-c59-uns-n06059\/\" target=\"_blank\" rel=\"noopener\">Hastelloy C59 | UNS N06059 Unlock Ultimate Resistance<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/hastelloy-c2000\/\" target=\"_blank\" rel=\"noopener\">Hastelloy C2000 | Properties | The Next-Gen Superalloy<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/what-is-hastelloy-b3\/\" target=\"_blank\" rel=\"noopener\">What is Hastelloy B3 and How Does it Fight Strong Acids?<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/what-is-hastelloy-b4\/\" target=\"_blank\" rel=\"noopener\">What is Hastelloy B4 and How Does it Prevent Stress Cracking?<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/what-is-hastelloy-g3\/\" target=\"_blank\" rel=\"noopener\">What Is Hastelloy G3? A Versatile Corrosion Fighter!<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/what-is-hastelloy-g35\/\" target=\"_blank\" rel=\"noopener\">What is Hastelloy G35 and How Does it Conquer Corrosive Acids?<\/a><br \/><a href=\"https:\/\/www.kaysuns.com\/what-is-hastelloy-g50\/\" target=\"_blank\" rel=\"noopener\">What is Hastelloy G50 and How to Use it for Critical Piping?<\/a><\/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-be17532 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"be17532\" data-element_type=\"section\" data-e-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-42b292d\" data-id=\"42b292d\" 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ou C276, \u00e9 uma das ligas resistentes \u00e0 corros\u00e3o \u00e0 base de n\u00edquel mais comuns. \u00c9 adequada para uma variedade de ind\u00fastrias qu\u00edmicas que cont\u00eam meios oxidantes e redutores. O maior teor de molibd\u00eanio e cromo torna a liga resistente \u00e0 corros\u00e3o por \u00edons cloreto. O elemento tungst\u00eanio melhora ainda mais a resist\u00eancia \u00e0 corros\u00e3o. Hastelloy C-276...&nbsp;<a href=\"https:\/\/www.kaysuns.com\/pt\/nine-key-points-about-welding-hastelloy-c-276\/\" rel=\"bookmark\">Leia mais \"<span class=\"screen-reader-text\">O resumo mais completo! Preste aten\u00e7\u00e3o a esses nove pontos-chave sobre a soldagem do Hastelloy C-276.<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":48767,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[316,186,51],"tags":[],"class_list":["post-48744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-stainless-steel-knowledge","category-materials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hastelloy C-276 Welding Precautions : Most complete summary!<\/title>\n<meta name=\"description\" content=\"Fullest Summary! 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