{"id":2494,"date":"2024-10-27T07:30:28","date_gmt":"2024-10-27T07:30:28","guid":{"rendered":"https:\/\/yunming-metal.com\/?post_type=product&#038;p=2494"},"modified":"2025-06-02T21:04:22","modified_gmt":"2025-06-02T13:04:22","slug":"super-duplex-stainless-steel-coil","status":"publish","type":"product","link":"https:\/\/yunming-metal.com\/en\/product\/super-duplex-stainless-steel-coil\/","title":{"rendered":"Super Duplex Stainless Steel Coil"},"content":{"rendered":"<h3 data-start=\"192\" data-end=\"217\">\ud83d\udd39 Product Overview<\/h3>\n<p data-start=\"218\" data-end=\"646\">Super duplex stainless steel coil is designed for extreme corrosion resistance and mechanical strength in demanding industrial applications. Combining austenitic and ferritic microstructures, these coils provide superior resistance to chloride-induced stress corrosion cracking and pitting. They are commonly used for heat exchangers, pressure vessels, seawater desalination plants, and other high-performance fabrication needs.<\/p>\n<h3 data-start=\"648\" data-end=\"674\">\ud83d\udd39 Application Areas<\/h3>\n<ul data-start=\"675\" data-end=\"959\">\n<li data-start=\"675\" data-end=\"726\">\n<p data-start=\"677\" data-end=\"726\">Heat exchanger tubing and plate heat exchangers<\/p>\n<\/li>\n<li data-start=\"727\" data-end=\"766\">\n<p data-start=\"729\" data-end=\"766\">Pressure vessel and boiler cladding<\/p>\n<\/li>\n<li data-start=\"767\" data-end=\"801\">\n<p data-start=\"769\" data-end=\"801\">Offshore structural components<\/p>\n<\/li>\n<li data-start=\"802\" data-end=\"846\">\n<p data-start=\"804\" data-end=\"846\">Chemical and petrochemical process lines<\/p>\n<\/li>\n<li data-start=\"847\" data-end=\"882\">\n<p data-start=\"849\" data-end=\"882\">Desalination and marine systems<\/p>\n<\/li>\n<li data-start=\"883\" data-end=\"910\">\n<p data-start=\"885\" data-end=\"910\">Pulp and paper industry<\/p>\n<\/li>\n<li data-start=\"911\" data-end=\"959\">\n<p data-start=\"913\" data-end=\"959\">Food processing and pharmaceutical machinery<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"961\" data-end=\"986\">\ud83d\udd39 Product Features<\/h3>\n<ul data-start=\"987\" data-end=\"1344\">\n<li data-start=\"987\" data-end=\"1056\">\n<p data-start=\"989\" data-end=\"1056\">Outstanding corrosion resistance in seawater and aggressive media<\/p>\n<\/li>\n<li data-start=\"1057\" data-end=\"1122\">\n<p data-start=\"1059\" data-end=\"1122\">Higher strength than conventional 300 series stainless steels<\/p>\n<\/li>\n<li data-start=\"1123\" data-end=\"1164\">\n<p data-start=\"1125\" data-end=\"1164\">Excellent weldability and formability<\/p>\n<\/li>\n<li data-start=\"1165\" data-end=\"1225\">\n<p data-start=\"1167\" data-end=\"1225\">Stable performance at elevated and sub-zero temperatures<\/p>\n<\/li>\n<li data-start=\"1226\" data-end=\"1289\">\n<p data-start=\"1228\" data-end=\"1289\">Minimal thermal expansion with excellent fatigue resistance<\/p>\n<\/li>\n<li data-start=\"1290\" data-end=\"1344\">\n<p data-start=\"1292\" data-end=\"1344\">Available in slit coils, strips, and custom widths<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1346\" data-end=\"1377\">\ud83d\udd39 Technical Specifications<\/h3>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1379\" data-end=\"2076\">\n<thead data-start=\"1379\" data-end=\"1455\">\n<tr data-start=\"1379\" data-end=\"1455\">\n<th data-start=\"1379\" data-end=\"1403\" data-col-size=\"sm\">Parameter<\/th>\n<th data-start=\"1403\" data-end=\"1455\" data-col-size=\"md\">Range<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1533\" data-end=\"2076\">\n<tr data-start=\"1533\" data-end=\"1610\">\n<td data-start=\"1533\" data-end=\"1557\" data-col-size=\"sm\">Thickness<\/td>\n<td data-start=\"1557\" data-end=\"1610\" data-col-size=\"md\">0.3 mm \u2013 6.0 mm (approx. \u00b9\u2044\u2081\u2082\u2088\u2033 \u2013 \u00bc\u2033)<\/td>\n<\/tr>\n<tr data-start=\"1611\" data-end=\"1688\">\n<td data-start=\"1611\" data-end=\"1635\" data-col-size=\"sm\">Width<\/td>\n<td data-start=\"1635\" data-end=\"1688\" data-col-size=\"md\">100 mm \u2013 2000 mm (approx. 4\u2033 \u2013 78\u00be\u2033)<\/td>\n<\/tr>\n<tr data-start=\"1689\" data-end=\"1766\">\n<td data-start=\"1689\" data-end=\"1713\" data-col-size=\"sm\">Coil ID \/ OD<\/td>\n<td data-start=\"1713\" data-end=\"1766\" data-col-size=\"md\">508 mm \/ up to 1800 mm (approx. 20\u2033 \/ 70\u215e\u2033)<\/td>\n<\/tr>\n<tr data-start=\"1767\" data-end=\"1844\">\n<td data-start=\"1767\" data-end=\"1791\" data-col-size=\"sm\">Grades<\/td>\n<td data-start=\"1791\" data-end=\"1844\" data-col-size=\"md\">UNS S32750, S32760, S39274<\/td>\n<\/tr>\n<tr data-start=\"1845\" data-end=\"1921\">\n<td data-start=\"1845\" data-end=\"1869\" data-col-size=\"sm\">Tolerances<\/td>\n<td data-start=\"1869\" data-end=\"1921\" data-col-size=\"md\">According to ASTM A480 \/ EN 10051<\/td>\n<\/tr>\n<tr data-start=\"1922\" data-end=\"1999\">\n<td data-start=\"1922\" data-end=\"1946\" data-col-size=\"sm\">Surface Finish<\/td>\n<td data-col-size=\"md\" data-start=\"1946\" data-end=\"1999\">2B, BA, No.1, No.4, HRAP, polished<\/td>\n<\/tr>\n<tr data-start=\"2000\" data-end=\"2076\">\n<td data-start=\"2000\" data-end=\"2024\" data-col-size=\"sm\">Standards<\/td>\n<td data-start=\"2024\" data-end=\"2076\" data-col-size=\"md\">ASTM A240 \/ A480, ASME SA240, EN 10028-7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 data-start=\"2078\" data-end=\"2108\">\ud83d\udd39 Manufacturing Process<\/h3>\n<ol data-start=\"2109\" data-end=\"2437\">\n<li data-start=\"2109\" data-end=\"2147\">\n<p data-start=\"2112\" data-end=\"2147\">Raw material melting and refining<\/p>\n<\/li>\n<li data-start=\"2148\" data-end=\"2200\">\n<p data-start=\"2151\" data-end=\"2200\">Hot rolling or cold rolling to target thickness<\/p>\n<\/li>\n<li data-start=\"2201\" data-end=\"2244\">\n<p data-start=\"2204\" data-end=\"2244\">Solution annealing and water quenching<\/p>\n<\/li>\n<li data-start=\"2245\" data-end=\"2299\">\n<p data-start=\"2248\" data-end=\"2299\">Surface finishing (pickling, polishing, brushing)<\/p>\n<\/li>\n<li data-start=\"2300\" data-end=\"2335\">\n<p data-start=\"2303\" data-end=\"2335\">Coil slitting or edge trimming<\/p>\n<\/li>\n<li data-start=\"2336\" data-end=\"2375\">\n<p data-start=\"2339\" data-end=\"2375\">Dimensional and surface inspection<\/p>\n<\/li>\n<li data-start=\"2376\" data-end=\"2437\">\n<p data-start=\"2379\" data-end=\"2437\">Packaging with rust-proof wrapping and export protection<\/p>\n<\/li>\n<\/ol>\n<h3 data-start=\"2439\" data-end=\"2449\">\ud83d\udd39 FAQ<\/h3>\n<p data-start=\"2451\" data-end=\"2666\"><strong data-start=\"2451\" data-end=\"2520\">Q1: What is the difference between duplex and super duplex coils?<\/strong><br data-start=\"2520\" data-end=\"2523\" \/>A1: Super duplex coils contain higher chromium, molybdenum, and nitrogen content, offering greater strength and pitting resistance than duplex.<\/p>\n<p data-start=\"2668\" data-end=\"2816\"><strong data-start=\"2668\" data-end=\"2721\">Q2: Can the coil be cut into strip or sheet form?<\/strong><br data-start=\"2721\" data-end=\"2724\" \/>A2: Yes, we offer precision slitting services to produce strips or blanked sheets from coil.<\/p>\n<p data-start=\"2818\" data-end=\"2981\"><strong data-start=\"2818\" data-end=\"2866\">Q3: Is it suitable for welding applications?<\/strong><br data-start=\"2866\" data-end=\"2869\" \/>A3: Yes, super duplex coils can be welded with proper filler material and heat control to avoid phase imbalance.<\/p>\n<p data-start=\"2983\" data-end=\"3132\"><strong data-start=\"2983\" data-end=\"3027\">Q4: What surface finishes are available?<\/strong><br data-start=\"3027\" data-end=\"3030\" \/>A4: Available finishes include 2B, No.1, No.4, polished, and HRAP, depending on customer requirements.<\/p>\n<p data-start=\"3134\" data-end=\"3291\"><strong data-start=\"3134\" data-end=\"3198\">Q5: Are customized coil widths and inner diameters possible?<\/strong><br data-start=\"3198\" data-end=\"3201\" \/>A5: Yes, coil width, thickness, and ID\/OD can be tailored based on project specifications.<\/p>\n<h3 data-start=\"3293\" data-end=\"3312\">\ud83d\udd39 Still Have Questions?<\/h3>\n<p data-start=\"3313\" data-end=\"3513\">Feel free to<a href=\"https:\/\/yunming-metal.com\/en\/contact\/\"> contact us<\/a> to discuss your coil requirements or request a technical quotation. We provide customized specifications, mill certifications, and fast global delivery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Super Duplex Stainless Steel Coil provides exceptional strength and superior corrosion resistance for demanding industrial applications. Available in hot and cold-rolled formats, with multiple surface finishes and international standard compliance.<\/p>\n","protected":false},"featured_media":4834,"comment_status":"open","ping_status":"closed","template":"","meta":{"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":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","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":""}}},"product_brand":[],"product_cat":[30,31],"product_tag":[],"class_list":{"0":"post-2494","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-special-alloys","7":"product_cat-super-duplex-stainless-steel","8":"desktop-align-left","9":"tablet-align-left","10":"mobile-align-left","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Super Duplex Stainless Steel Coil \u2013 High Strength &amp; Corrosion Resistance<\/title>\n<meta name=\"description\" content=\"Find premium super duplex stainless steel coils for marine and chemical use. Available in hot-rolled and cold-rolled grades with multiple finishes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yunming-metal.com\/en\/product\/super-duplex-stainless-steel-coil\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Super Duplex Stainless Steel Coil\" \/>\n<meta property=\"og:description\" content=\"Find premium super duplex stainless steel coils for marine and chemical use. 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