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id=\"nw-tresc\">\n<section data-nw-hero=\"\" class=\"sn-hero\" aria-labelledby=\"nw-h1\">\n<div class=\"nw-kol\">\n<nav class=\"sn-okruszki\" aria-label=\"Breadcrumb\"><a href=\"https:\/\/ecad.com.pl\/en\/\">Home<\/a><span aria-hidden=\"true\">\u203a<\/span><a href=\"https:\/\/ecad.com.pl\/en\/offer\/\">Services<\/a><span aria-hidden=\"true\">\u203a<\/span><span aria-current=\"page\">Stainless steel and aluminium welding<\/span><\/nav>\n<div class=\"sn-hero__siatka\">\n<div class=\"sn-hero__tekst\">\n<h1 class=\"nw-h1 nw-cond sn-h1\" id=\"nw-h1\">Stainless steel and aluminium welding<\/h1>\n<div data-sn-opis=\"\">\n<p class=\"nw-lead\">We perform stainless steel and aluminium welding at a dedicated bay at the ECAD plant in Lodz. We also weld other metals to order. We accept orders from single pieces to batch runs, quoting from a technical drawing or 3D model.<\/p>\n<p class=\"sn-hero__dop\">Welding of austenitic stainless steel is covered by our EN ISO 3834-2 certificate (scope detailed in the <a href=\"#faq-tyt\">questions below<\/a>); some orders do not require certification.<\/p>\n<div class=\"nw-akcje\">\n<a class=\"nw-cta\" href=\"https:\/\/ecad.com.pl\/en\/request-a-quote\/\" data-analytics-cta=\"wyslij-rysunek\">Send your drawing for a quote<\/a>\n<a class=\"nw-tel-link\" href=\"tel:+48697270000\"><i aria-hidden=\"true\">\u260e<\/i><span>+48\u00a0697\u00a0270\u00a0000<span class=\"sn-godziny\">Mon\u2013Fri 8:00\u201316:00<\/span><\/span><\/a>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sn-mat\" data-sn-mat=\"\" role=\"img\" aria-label=\"Material matrix. Stainless steel: dedicated bay, from 1 pc to batch runs, quote from a drawing or 3D model, thin sheet metal also laser-welded. Aluminium: dedicated bay, from 1 pc to batch runs, quote from a drawing or 3D model, other metals to order.\">\n<div class=\"sn-mat__p sn-mat__p--ss\" aria-hidden=\"true\">\n<svg class=\"sn-mat__svg\" viewbox=\"0 0 120 40\" focusable=\"false\"><defs><lineargradient id=\"sn-g1\" x1=\"0\" x2=\"1\"><stop offset=\"0\" stop-color=\"#6E767B\"><\/stop><stop offset=\".5\" stop-color=\"#E3E6E8\"><\/stop><stop offset=\"1\" stop-color=\"#6E767B\"><\/stop><\/lineargradient><\/defs><rect x=\"8\" y=\"8\" width=\"104\" height=\"24\" rx=\"3\" fill=\"url(#sn-g1)\"><\/rect><path d=\"M8 14H112M8 20H112M8 26H112\" stroke=\"#16191B\" stroke-opacity=\".18\" stroke-width=\".6\"><\/path><\/svg>\n<span class=\"sn-mat__nazwa\">Stainless steel<\/span>\n<ul class=\"sn-mat__cechy\"><li>dedicated bay<\/li><li>from 1 pc to batch runs<\/li><li>quote from a drawing or 3D model<\/li><li>thin sheet metal also laser-welded<\/li><\/ul>\n<\/div>\n<div class=\"sn-mat__p sn-mat__p--al\" aria-hidden=\"true\">\n<svg class=\"sn-mat__svg\" viewbox=\"0 0 120 40\" focusable=\"false\"><defs><lineargradient id=\"sn-g2\" x1=\"0\" x2=\"1\"><stop offset=\"0\" stop-color=\"#9AA2A8\"><\/stop><stop offset=\".5\" stop-color=\"#F3F4F5\"><\/stop><stop offset=\"1\" stop-color=\"#9AA2A8\"><\/stop><\/lineargradient><\/defs><rect x=\"8\" y=\"8\" width=\"104\" height=\"24\" rx=\"3\" fill=\"url(#sn-g2)\"><\/rect><path d=\"M8 20Q23 12 38 20T68 20T98 20T112 20\" stroke=\"#16191B\" stroke-opacity=\".22\" stroke-width=\".8\" fill=\"none\"><\/path><\/svg>\n<span class=\"sn-mat__nazwa\">Aluminium<\/span>\n<ul class=\"sn-mat__cechy\"><li>dedicated bay<\/li><li>from 1 pc to batch runs<\/li><li>quote from a drawing or 3D model<\/li><li>other metals to order<\/li><\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"us-stanowisko\">\n<div class=\"nw-kol sn-st\">\n<div class=\"sn-st__tekst\">\n<h2 class=\"nw-h2 nw-cond\" id=\"us-stanowisko\">Dedicated bay for stainless steel and aluminium welding<\/h2>\n<p class=\"nw-p\">At our welding shop at ul. Elektronowa 6 in Lodz, we have a dedicated bay for stainless steel and aluminium welding. The same welding shop also houses <a href=\"https:\/\/ecad.com.pl\/en\/machine-park\/#fanuc\">two FANUC welding robots<\/a> and three bays with CUBE welding tables (<a href=\"https:\/\/cubeweld.pl\/\">CUBEWELD<span class=\"sn-sr\"> brand, website cubeweld.pl<\/span><\/a>). At this bay we weld stainless steel and aluminium, from single pieces to batch runs.<\/p>\n<p class=\"nw-p\">Manual welding is carried out using Kemppi welding machines. Thin stainless steel sheet metal can also be welded by laser: see <a href=\"https:\/\/ecad.com.pl\/en\/laser-welding\/\">laser welding<\/a>. The <span class=\"sn-nw\">EN ISO 3834-2<\/span> certificate does not cover laser welding.<\/p>\n<dl class=\"sn-dane\" aria-label=\"Dedicated welding bay for stainless steel and aluminium: details\">\n<div><dt>Location<\/dt><dd>ul. Elektronowa 6, Lodz<\/dd><\/div>\n<div><dt>Bay<\/dt><dd>dedicated, for stainless steel and aluminium<\/dd><\/div>\n<div><dt>Materials<\/dt><dd>stainless steel, aluminium, other metals to order<\/dd><\/div>\n<div><dt>Orders<\/dt><dd>from 1 pc to batch runs<\/dd><\/div>\n<div><dt>Quote<\/dt><dd>from a drawing or 3D model<\/dd><\/div>\n<\/dl>\n<p class=\"sn-st__uwaga\">Full scope of certificates: <a href=\"https:\/\/ecad.com.pl\/en\/certificates\/\">ECAD certificates<\/a>.<\/p>\n<\/div>\n<figure class=\"sn-foto\" data-sn-reveal=\"\">\n<img src=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/2026\/09\/spawanie-tig-profilu-w-przyrzadzie.webp\" width=\"1350\" height=\"1800\" alt=\"Close-up of TIG welding: a gloved welder guides a torch and filler rod to the weld joint of a rectangular tube positioned against a fixture plate corner on a perforated welding table; welding helmet at the top of the frame.\" loading=\"lazy\" decoding=\"async\" style=\"object-position:50% 40%\"\/>\n<figcaption>TIG welding of a rectangular tube in a welding fixture on a perforated table.<\/figcaption>\n<\/figure>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"us-certyfikat\">\n<div class=\"nw-kol sn-cert\">\n<div class=\"sn-cert__tekst\">\n<h2 class=\"nw-h2 nw-cond\" id=\"us-certyfikat\"><span class=\"sn-nw\">EN ISO 3834-2<\/span> certificate and customer requirements<\/h2>\n<p class=\"nw-p\">The EN ISO 3834-2 certificate was issued by T\u00dcV Rheinland Polska. Details for stainless steel are given in the <a href=\"#faq-tyt\">questions below<\/a>. When a customer requires certification, we expand the scope to order as needed with WPS and WPQR (welding procedure specifications and welding procedure qualification records). PDF files: <a href=\"https:\/\/ecad.com.pl\/en\/certificates\/\">ECAD certificates<\/a>.<\/p>\n<\/div>\n<div class=\"sn-cert__karta\" data-sn-reveal=\"\">\n<div class=\"sn-cert__glowna\">\n<figure class=\"sn-dok\">\n<a href=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/ecad\/certyfikaty\/certyfikat-en-iso-3834-2-ecad-pl.pdf\"><img src=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/ecad\/certyfikaty\/miniatura-certyfikat-en-iso-3834-2-ecad-pl.webp\" width=\"480\" height=\"678\" alt=\"EN ISO 3834-2 certificate for ECAD, first page. Open PDF, 0.7 MB.\" loading=\"lazy\" decoding=\"async\"\/><\/a>\n<figcaption><b>EN ISO 3834-2<\/b><span>valid until 24.09.2030<\/span><\/figcaption>\n<\/figure>\n<dl class=\"sn-rejestr\" aria-label=\"EN ISO 3834-2 certificate: certification body, number, validity period and PDF files\">\n<div><dt>Certificate<\/dt><dd><b><span class=\"sn-nw\">EN ISO 3834-2:2021<\/span><\/b><span>Comprehensive quality requirements for fusion welding.<\/span><\/dd><\/div>\n<div><dt>Body and number<\/dt><dd>T\u00dcV Rheinland Polska<span class=\"sn-nw\">No. 01 8610 PL\/A-250054.00<\/span><\/dd><\/div>\n<div><dt>Validity period<\/dt><dd>25.09.2025\u201324.09.2030<\/dd><\/div>\n<div><dt>Files<\/dt><dd class=\"sn-pliki\"><a href=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/ecad\/certyfikaty\/certyfikat-en-iso-3834-2-ecad-pl.pdf\">PDF in Polish, 0.7 MB<\/a><a href=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/ecad\/certyfikaty\/certyfikat-en-iso-3834-2-ecad-en.pdf\" hreflang=\"en\">PDF in English, 0.7 MB<\/a><\/dd><\/div>\n<\/dl>\n<\/div>\n<div class=\"sn-cert__dok2\">\n<figure class=\"sn-dok\">\n<a href=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/ecad\/certyfikaty\/certyfikat-iso-9001-ecad-pl.pdf\"><img src=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/ecad\/certyfikaty\/miniatura-certyfikat-iso-9001-ecad-pl.webp\" width=\"480\" height=\"683\" alt=\"ISO 9001:2015 certificate for ECAD, first page. Open PDF, 0.2 MB.\" loading=\"lazy\" decoding=\"async\"\/><\/a>\n<figcaption><b>ISO 9001<\/b><span>valid until 24.02.2028<\/span><\/figcaption>\n<\/figure>\n<p>Click a document to open the PDF. All documents: <a href=\"https:\/\/ecad.com.pl\/en\/certificates\/\">ECAD certificates<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"us-lancuch\">\n<div class=\"nw-kol\">\n<div class=\"nw-naglowek\">\n<h2 class=\"nw-h2 nw-cond\" id=\"us-lancuch\">Stainless steel and aluminium in a single order: from cutting to 3D inspection<\/h2>\n<p class=\"nw-p\">We prepare parts for welding at the same plant and can inspect the finished part with a 3D scanner within a single order.<\/p>\n<\/div>\n<table class=\"sn-tab\">\n<caption class=\"sn-sr\">Order stages: cutting and bending, welding, heat treatment, dimensional inspection<\/caption>\n<thead><tr><th scope=\"col\">Stage<\/th><th scope=\"col\">Description<\/th><th scope=\"col\">See<\/th><\/tr><\/thead>\n<tbody>\n<tr data-sn-reveal=\"\">\n<th scope=\"row\"><div class=\"sn-etap\"><span class=\"sn-nr\" aria-hidden=\"true\">1<\/span><h3>Cutting and bending<\/h3><\/div><\/th>\n<td data-label=\"Opis\"><p>We prepare the sheet metal flat pattern by laser cutting and <a href=\"https:\/\/ecad.com.pl\/en\/sheet-metal-bending\/\">press brake bending<\/a>.<\/p><\/td>\n<td data-label=\"Zobacz\"><a class=\"sn-lan-link\" href=\"https:\/\/ecad.com.pl\/en\/laser-cutting\/\">Laser cutting<\/a><\/td>\n<\/tr>\n<tr data-sn-reveal=\"\" aria-current=\"step\">\n<th scope=\"row\"><div class=\"sn-etap\"><span class=\"sn-nr\" aria-hidden=\"true\">2<\/span><h3>Welding<span class=\"sn-sr\"> (stage covered on this page)<\/span><\/h3><\/div><\/th>\n<td data-label=\"Opis\">We weld stainless steel and aluminium at a dedicated workstation, from one-offs to series production.<\/td>\n<td class=\"sn-pusty\"><\/td>\n<\/tr>\n<tr data-sn-reveal=\"\">\n<th scope=\"row\"><div class=\"sn-etap\"><span class=\"sn-nr\" aria-hidden=\"true\">3<\/span><h3>Heat treatment, if required<\/h3><\/div><\/th>\n<td data-label=\"Opis\">Whether a stainless steel or aluminium part requires heat treatment after welding is agreed at the quoting stage.<\/td>\n<td data-label=\"Zobacz\"><a class=\"sn-lan-link\" href=\"https:\/\/ecad.com.pl\/en\/stress-relief-annealing\/\">Stress-relief annealing<\/a><\/td>\n<\/tr>\n<tr data-sn-reveal=\"\">\n<th scope=\"row\"><div class=\"sn-etap\"><span class=\"sn-nr\" aria-hidden=\"true\">4<\/span><h3>Dimensional inspection<\/h3><\/div><\/th>\n<td data-label=\"Opis\"><p>We can check the dimensions of the finished part using a <a href=\"https:\/\/ecad.com.pl\/en\/machine-park\/#scantech\">Scantech NimbleTrack-C Gen2 3D scanner<\/a> and a <a href=\"https:\/\/ecad.com.pl\/en\/machine-park\/#mitutoyo\">Mitutoyo height gauge<\/a>.<\/p><\/td>\n<td data-label=\"Zobacz\"><a class=\"sn-lan-link\" href=\"https:\/\/ecad.com.pl\/en\/3d-quality-inspection\/\">3D quality inspection<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"sn-uwaga\">The thick orange line marks the stage covered on this page.<\/p>\n<figure class=\"sn-rys sn-rys--dol\" data-sn-reveal=\"\">\n<img src=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/2026\/09\/rysunek-zbiornik-stal-nierdzewna-przekroj-b-b.webp\" width=\"2000\" height=\"1333\" alt=\"Technical drawing: section B-B of a tank, flanged tub viewed from above, with four round nozzles and two dimensions.\" loading=\"lazy\" decoding=\"async\"\/>\n<figcaption>Stainless steel tank basin, section B-B. From our design office.<\/figcaption>\n<\/figure>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"us-zamow\">\n<div class=\"nw-kol sn-zam\">\n<div class=\"sn-zam__tekst\">\n<h2 class=\"nw-h2 nw-cond\" id=\"us-zamow\">What to send for a stainless steel and aluminium welding quote<\/h2>\n<p class=\"nw-p\">We quote stainless steel and aluminium welding on the basis of a drawing or 3D model, not from a price list. We accept orders from a single piece to series production.<\/p>\n<h3 class=\"sn-zam__h3\">The order price depends on:<\/h3>\n<ul class=\"sn-chipy\">\n<li>material and grade<\/li>\n<li>part thickness and dimensions<\/li>\n<li>number and complexity of welds<\/li>\n<li>weld and welding documentation requirements<\/li>\n<li>cutting and bending of parts prior to welding<\/li>\n<li>quantity and lead time<\/li>\n<\/ul>\n<div class=\"sn-tel\">\n<p>Prefer to call? <a href=\"tel:+48697270000\">+48\u00a0697\u00a0270\u00a0000<\/a> (Mon\u2013Fri 8:00\u201316:00)<\/p>\n<p>Prefer e-mail? <a href=\"mailto:biuro@ecad.com.pl\">biuro@ecad.com.pl<\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"sn-zam__karta\" data-sn-reveal=\"\">\n<ol class=\"sn-kroki\" aria-label=\"Requesting a quote, step by step\">\n<li><div><b>Send a drawing or 3D model<\/b><br\/><span>Up to 10 files, up to 100 MB in total: PDF, DXF, DWG, STEP, IGES, photos (JPG, PNG, TIFF) or a ZIP or 7Z archive.<\/span><\/div><\/li>\n<li><div><b>Describe your order<\/b><br\/><span>Material and grade (stainless steel or aluminium), thickness, quantity and lead time, plus any required certificate or standard.<\/span><\/div><\/li>\n<li><div><b>We will reply with questions and a price<\/b><br\/><span>We will review your enquiry and send a quote or ask for any missing details.<\/span><\/div><\/li>\n<\/ol>\n<a class=\"nw-cta\" href=\"https:\/\/ecad.com.pl\/en\/request-a-quote\/\" data-analytics-cta=\"wyslij-rysunek\">Send your drawing for a quote<\/a>\n<p class=\"sn-pol\">We process enquiry data in accordance with our <a href=\"https:\/\/ecad.com.pl\/en\/privacy-policy\/\">privacy policy<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"us-hala\">\n<div class=\"nw-kol sn-hala\">\n<div class=\"sn-hala__tekst\">\n<h2 class=\"nw-h2 nw-cond\" id=\"us-hala\">Stainless steel and aluminium welding in Lodz, ul. Elektronowa 6<\/h2>\n<p class=\"nw-p\">The ECAD plant at ul. Elektronowa 6 in Lodz is open Monday to Friday from 8:00 to 16:00. The company has been operating since 2008 and employs 25 people. We hold an <a href=\"https:\/\/ecad.com.pl\/en\/certificates\/\">ISO 9001:2015 certificate<\/a> for metal forming, CNC machining of metal parts, and machine design and building. See <a href=\"https:\/\/ecad.com.pl\/en\/contact\/\">contact and directions<\/a>, our <a href=\"https:\/\/ecad.com.pl\/en\/machine-park\/\">machine park<\/a> and our <a href=\"https:\/\/ecad.com.pl\/en\/offer\/\">full range of services<\/a>.<\/p>\n<\/div>\n<figure class=\"sn-foto\" data-sn-reveal=\"\">\n<img src=\"https:\/\/ecad.com.pl\/wp-content\/uploads\/2026\/09\/giete-elementy-z-blachy-na-stole-w-hali.webp\" width=\"1350\" height=\"1800\" alt=\"A row of bent, bright sheet metal parts with holes and flanged ends lies on a wooden table; in the background, a shop floor with columns, sheet metal racks and pallets.\" loading=\"lazy\" decoding=\"async\" style=\"object-position:50% 55%\"\/>\n<figcaption>Bent sheet metal parts on a table on the shop floor.<\/figcaption>\n<\/figure>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"faq-tyt\">\n<div class=\"nw-kol sn-faqk\">\n<div class=\"nw-naglowek\"><h2 class=\"nw-h2 nw-cond\" id=\"faq-tyt\">Questions about stainless steel and aluminium welding<\/h2><\/div>\n<div class=\"sn-faq\">\n<details><summary><h3>Are you certified for welding stainless steel?<\/h3><\/summary><div class=\"sn-odp\"><p>Yes, for group 8.1 austenitic stainless steel (Cr \u2264 19%, e.g. 304 and 316L). ECAD&#8217;s EN ISO 3834-2 certificate covers processes 141 (TIG welding) and 135 (MAG) in material groups 1.1, 1.2 and 8.1. It applies to the production of rail vehicles or their parts and machine structure components. It was issued by T\u00dcV Rheinland Polska and is valid until 24.09.2030. Full scope: <a href=\"https:\/\/ecad.com.pl\/en\/certificates\/\">ECAD certificates<\/a>.<\/p><\/div><\/details>\n<details><summary><h3>Do you weld aluminium and other metals?<\/h3><\/summary><div class=\"sn-odp\"><p>Yes. We weld aluminium, stainless steel, structural steel and other metals to order. We weld aluminium and stainless steel at a dedicated workstation, from one-offs to series production. In your enquiry, please specify the material and grade, as well as any certificate or standard required for the order.<\/p><\/div><\/details>\n<details><summary><h3>At what workstation do you weld stainless steel and aluminium?<\/h3><\/summary><div class=\"sn-odp\"><p>ECAD welds stainless steel and aluminium at a dedicated workstation in the welding shop at ul. Elektronowa 6 in Lodz. The same welding shop also houses two FANUC welding robots and three workstations with CUBE tables. See our full <a href=\"https:\/\/ecad.com.pl\/en\/machine-park\/\">machine park<\/a>.<\/p><\/div><\/details>\n<details><summary><h3>Is welding &#8216;nierdzewka&#8217;, acid-resistant steel and stainless steel the same service?<\/h3><\/summary><div class=\"sn-odp\"><p>Yes. In workshop practice, stainless steel and acid-resistant steel (one of its grades) are often referred to by colloquial names. We weld acid-resistant steel at the same separate workstation as stainless steel.<\/p><\/div><\/details>\n<details><summary><h3>How much does aluminium and stainless steel welding cost?<\/h3><\/summary><div class=\"sn-odp\"><p>We do not have a price list. We price aluminium and stainless steel welding on the basis of a drawing or 3D model. The price depends on the material and grade, part thickness and dimensions, number and complexity of welds, weld and welding documentation requirements, quantity and lead time.<\/p><\/div><\/details>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"nw-sekcja\" aria-labelledby=\"us-powiazane\">\n<div class=\"nw-kol\">\n<div class=\"nw-naglowek\"><h2 class=\"nw-h2 nw-cond\" id=\"us-powiazane\">Related services<\/h2><\/div>\n<ul class=\"sn-pow\">\n<li><a href=\"https:\/\/ecad.com.pl\/en\/welding\/\">Welding<\/a><p>Manual and robotic welding, on CUBE tables and FANUC robots.<\/p><\/li>\n<li><a href=\"https:\/\/ecad.com.pl\/en\/welding-for-railways-en-15085-2\/\">Welding for the rail industry EN 15085-2<\/a><p>Manufacture of new assemblies and parts for rail vehicles, CL 2.<\/p><\/li>\n<li><a href=\"https:\/\/ecad.com.pl\/en\/certificates\/\">Certificates<\/a><p>EN 15085-2, EN ISO 3834-2, ISO 9001 and ISO 14001 available for download.<\/p><\/li>\n<\/ul>\n<\/div>\n<\/section>\n<section class=\"sn-wycena\" data-nw-end=\"\" aria-labelledby=\"cta-tyt\">\n<div class=\"nw-kol sn-wycena__in\">\n<div>\n<h2 class=\"nw-h2 nw-cond\" id=\"cta-tyt\">Do you have a stainless steel or aluminium welding order?<\/h2>\n<p class=\"nw-lead\">Send a drawing or 3D model. We will reply with questions and a quote; if the order requires certification or compliance with a standard, please mention this in your enquiry.<\/p>\n<\/div>\n<a class=\"nw-cta\" href=\"https:\/\/ecad.com.pl\/en\/request-a-quote\/\" data-analytics-cta=\"wyslij-rysunek\">Send your drawing for a quote<\/a>\n<\/div>\n<\/section>\n<\/div>\n<script type=\"application\/ld+json\">{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Are you certified for welding stainless steel?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes, for group 8.1 austenitic stainless steel (Cr \u2264 19%, e.g. 304 and 316L). ECAD's EN ISO 3834-2 certificate covers processes 141 (TIG welding) and 135 (MAG) in material groups 1.1, 1.2 and 8.1. It applies to the production of rail vehicles or their parts and machine structure components. 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