{"id":1845,"date":"2024-10-19T16:10:05","date_gmt":"2024-10-19T16:10:05","guid":{"rendered":"https:\/\/yunming-metal.com\/?post_type=product&#038;p=1845"},"modified":"2026-04-12T19:51:11","modified_gmt":"2026-04-12T11:51:11","slug":"stainless-steel-seamless-tube","status":"publish","type":"product","link":"https:\/\/yunming-metal.com\/en\/product\/stainless-steel-seamless-tube\/","title":{"rendered":"Stainless Steel Seamless Tube"},"content":{"rendered":"<div class=\"flex flex-col text-sm pb-25\">\n<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:6bfcc1a3-5ef2-4337-978c-8ce36fea37fc-4\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"035e1b2f-65f7-448f-ba23-c1b37a769424\" data-message-model-slug=\"gpt-5-mini\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<h2 data-section-id=\"1p927wt\" data-start=\"724\" data-end=\"743\">Stainless Steel Seamless Tube Supplier | ASTM A312 Manufacturer<\/h2>\n<h2 data-section-id=\"1p927wt\" data-start=\"724\" data-end=\"743\">Product Overview<\/h2>\n<p data-start=\"924\" data-end=\"1146\">Yunming Metal is a professional stainless steel seamless tube supplier and manufacturer in China, providing high-quality seamless pipes in accordance with ASTM A312, ASTM A213, ASTM A269, and other international standards.<\/p>\n<p data-start=\"1148\" data-end=\"1418\">Our seamless tubes are designed for high-pressure and high-temperature applications, offering excellent corrosion resistance, superior strength, and long service life. Compared with welded tubes, seamless tubes provide better structural integrity and higher reliability.<\/p>\n<p data-start=\"1420\" data-end=\"1600\">We support custom sizes, materials, and specifications to meet various industrial project requirements, including oil &amp; gas, petrochemical, power generation, and marine industries.<\/p>\n<p data-start=\"1602\" data-end=\"1661\">\ud83d\udc49 <strong data-start=\"1605\" data-end=\"1661\"><a href=\"https:\/\/yunming-metal.com\/en\/contact\/\">Contact us now to discuss your project requirements<\/a>.<\/strong><\/p>\n<hr data-start=\"1512\" data-end=\"1515\" \/>\n<h2 data-section-id=\"736h55\" data-start=\"1517\" data-end=\"1536\">Product Features<\/h2>\n<ul data-start=\"1538\" data-end=\"2002\">\n<li style=\"list-style-type: none;\" data-section-id=\"opsni8\" data-start=\"1538\" data-end=\"1619\">\n<ul data-start=\"1701\" data-end=\"2155\">\n<li data-section-id=\"opsni8\" data-start=\"1701\" data-end=\"1782\">Excellent Corrosion Resistance: Suitable for harsh and corrosive environments<\/li>\n<li data-section-id=\"71uxgl\" data-start=\"1783\" data-end=\"1857\">High Strength: Seamless structure ensures superior pressure resistance<\/li>\n<li data-section-id=\"yju3ek\" data-start=\"1858\" data-end=\"1924\">No Weld Seams: Eliminates weak points and improves reliability<\/li>\n<li data-section-id=\"gcgspb\" data-start=\"1925\" data-end=\"2006\">Wide Material Options: 304, 304L, 316L, 321, 310S, 904L, Duplex, Super Duplex<\/li>\n<li data-section-id=\"1q7jgp5\" data-start=\"2007\" data-end=\"2081\">Custom Manufacturing: Flexible sizes, thickness, and lengths available<\/li>\n<li data-section-id=\"8qauqy\" data-start=\"2082\" data-end=\"2155\">High Temperature Resistance: Performs well in extreme heat conditions<\/li>\n<\/ul>\n<p data-start=\"2157\" data-end=\"2234\"><strong data-start=\"2160\" data-end=\"2234\">We can customize according to your drawings or project specifications.<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2004\" data-end=\"2007\" \/>\n<h2 data-section-id=\"mu966k\" data-start=\"2009\" data-end=\"2024\">Why Choose Yunming Metal?<\/h2>\n<ul data-start=\"2303\" data-end=\"2539\">\n<li data-section-id=\"zdpr7p\" data-start=\"2303\" data-end=\"2338\">ISO 9001 Certified Manufacturer<\/li>\n<li data-section-id=\"1qdh1nj\" data-start=\"2339\" data-end=\"2385\">Strict Quality Control &amp; Full Traceability<\/li>\n<li data-section-id=\"1crpvxp\" data-start=\"2386\" data-end=\"2427\">Mill Test Certificate (MTC) Available<\/li>\n<li data-section-id=\"1ubzz0q\" data-start=\"2428\" data-end=\"2466\">Flexible MOQ for First-Time Orders<\/li>\n<li data-section-id=\"1sw3wtv\" data-start=\"2467\" data-end=\"2502\">Fast Delivery to Global Markets<\/li>\n<li data-section-id=\"1er3w6f\" data-start=\"2503\" data-end=\"2539\">Professional Export Service Team<\/li>\n<\/ul>\n<p data-start=\"2541\" data-end=\"2607\"><strong data-start=\"2544\" data-end=\"2607\">We help reduce you<\/strong><strong data-start=\"2544\" data-end=\"2607\">r sourcing risk and ensure stable supply.<\/strong><\/p>\n<h2 data-section-id=\"1ow1r96\" data-start=\"2614\" data-end=\"2638\">Applications<\/h2>\n<ul data-start=\"2640\" data-end=\"3072\">\n<li data-section-id=\"191uff1\" data-start=\"2640\" data-end=\"2712\">Oil &amp; Gas Industry: High-pressure pipelines and transmission systems<\/li>\n<li data-section-id=\"1logva7\" data-start=\"2713\" data-end=\"2789\">Petrochemical Industry: Refining and high-temperature processing systems<\/li>\n<li data-section-id=\"1nrkx6x\" data-start=\"2790\" data-end=\"2856\">Chemical Processing: Transport of corrosive and reactive media<\/li>\n<li data-section-id=\"l6hlf0\" data-start=\"2857\" data-end=\"2930\">Food &amp; Beverage Industry: Hygienic pipelines and processing equipment<\/li>\n<li data-section-id=\"jpdolx\" data-start=\"2931\" data-end=\"3005\">Power &amp; Energy: Boilers, heat exchangers, and high-temperature systems<\/li>\n<li data-section-id=\"1fyvmgk\" data-start=\"3006\" data-end=\"3072\">Marine &amp; Offshore: Corrosion-resistant structural applications<\/li>\n<\/ul>\n<p data-start=\"3074\" data-end=\"3140\"><strong data-start=\"3077\" data-end=\"3140\">Widely used in demanding industrial environment<\/strong><strong data-start=\"3077\" data-end=\"3140\">s worldwide.<\/strong><\/p>\n<hr data-start=\"2464\" data-end=\"2467\" \/>\n<h2 data-section-id=\"1cgu054\" data-start=\"2469\" data-end=\"2496\">Technical Specifications<\/h2>\n<p data-start=\"3186\" data-end=\"3500\">Material: 304, 304L, 316, 316L, 321, 310S, 317L, 904L, 2205, 2507<br data-start=\"3251\" data-end=\"3254\" \/>Outer Diameter: 6mm \u2013 2500mm (1\/4&#8243; \u2013 100&#8243;)<br data-start=\"3296\" data-end=\"3299\" \/>Wall Thickness: SCH10 \u2013 SCH160, XXS<\/p>\n<p data-start=\"3186\" data-end=\"3500\">Length: 2000mm, 4000mm, 6000mm, 12000mm or customized<br data-start=\"3390\" data-end=\"3393\" \/>Surface Finish: Pickled, Bright Annealed, Polished<br data-start=\"3443\" data-end=\"3446\" \/>Standards: ASTM A312, ASTM A213, ASTM A269, ASME, EN<\/p>\n<p data-start=\"3502\" data-end=\"3576\"><strong data-start=\"3505\" data-end=\"3576\">Custom sizes and special specifications are available upon request.<\/strong><\/p>\n<hr data-start=\"2857\" data-end=\"2860\" \/>\n<h2 data-section-id=\"2gad1q\" data-start=\"2862\" data-end=\"2886\">Manufacturing<\/h2>\n<h2 data-section-id=\"2gad1q\" data-start=\"2862\" data-end=\"2886\">Process<\/h2>\n<p data-start=\"3617\" data-end=\"3824\">Our stainless steel seamless tubes are manufactured using advanced rotary piercing and cold drawing processes. Each tube is produced from high-quality billets and undergoes strict quality control, including:<\/p>\n<ul data-start=\"3826\" data-end=\"3943\">\n<li data-section-id=\"5j5a6j\" data-start=\"3826\" data-end=\"3852\">Dimensional inspection<\/li>\n<li data-section-id=\"in3zk6\" data-start=\"3853\" data-end=\"3886\">Chemical composition analysis<\/li>\n<li data-section-id=\"1ob779x\" data-start=\"3887\" data-end=\"3909\">Mechanical testing<\/li>\n<li data-section-id=\"vrulin\" data-start=\"3910\" data-end=\"3943\">Non-destructive testing (NDT)<\/li>\n<\/ul>\n<p data-start=\"3945\" data-end=\"4075\">All products comply with international standards such as ASTM, ASME, and EN, ensuring consistent quality and reliable performance.<\/p>\n<p data-start=\"3945\" data-end=\"4075\">\ud83d\udc49 <strong data-start=\"4112\" data-end=\"4186\">Need a fast quotation?\u00a0<\/strong><\/p>\n<p data-start=\"3945\" data-end=\"4075\"><strong data-start=\"4112\" data-end=\"4186\"><a href=\"https:\/\/yunming-metal.com\/en\/contact\/\">Contact us<\/a> now and get a reply within 24 hours.<\/strong><\/p>\n<hr data-start=\"3330\" data-end=\"3333\" \/>\n<h2 data-section-id=\"1rcu242\" data-start=\"3353\" data-end=\"3372\">Related Products<\/h2>\n<p data-start=\"773\" data-end=\"839\">Looking for other stainless steel tube solutions for your project?<\/p>\n<ul data-start=\"841\" data-end=\"1129\">\n<li data-section-id=\"52abuw\" data-start=\"841\" data-end=\"938\"><a href=\"https:\/\/yunming-metal.com\/en\/product\/stainless-steel-capillary-tube\/\"><strong data-start=\"843\" data-end=\"877\">Stainless Steel Capillary Tube<\/strong> <\/a>\u2013 Ideal for precision instruments and medical applications<\/li>\n<li data-section-id=\"cny63d\" data-start=\"939\" data-end=\"1030\"><a href=\"https:\/\/yunming-metal.com\/en\/product\/stainless-steel-coil-tube\/\"><strong data-start=\"941\" data-end=\"970\">Stainless Steel Coil Tube<\/strong><\/a> \u2013 Designed for heat exchangers and fluid transfer systems<\/li>\n<li data-section-id=\"1chwq56\" data-start=\"1031\" data-end=\"1129\"><a href=\"https:\/\/yunming-metal.com\/en\/product\/u-bend-stainless-steel-tube\/\"><strong data-start=\"1033\" data-end=\"1064\">U Bend Stainless Steel Tube<\/strong><\/a> \u2013 Perfect for boilers, condensers, and heat exchange equipment<\/li>\n<\/ul>\n<p data-start=\"1131\" data-end=\"1221\">\ud83d\udc49 <strong data-start=\"1134\" data-end=\"1221\">Not sure which product fits your application? Contact us for expert recommendation.<\/strong><\/p>\n<h2 data-section-id=\"xpkb4s\" data-start=\"4193\" data-end=\"4212\">FAQ<\/h2>\n<ol data-start=\"4214\" data-end=\"4916\">\n<li data-section-id=\"160dxxx\" data-start=\"4214\" data-end=\"4396\">What is a stainless steel seamless tube?<br data-start=\"4257\" data-end=\"4260\" \/>A seamless tube is manufactured without welding seams, offering higher strength and better pressure resistance compared to welded tubes.<\/li>\n<li data-section-id=\"u53l15\" data-start=\"4398\" data-end=\"4537\">What standards do your tubes comply with?<br data-start=\"4442\" data-end=\"4445\" \/>Our products comply with ASTM A312, ASTM A213, ASTM A269, and other international standards.<\/li>\n<li data-section-id=\"1uenw4p\" data-start=\"4539\" data-end=\"4663\">Can you customize sizes and specifications?<br data-start=\"4585\" data-end=\"4588\" \/>Yes, we provide customized sizes, materials, wall thicknesses, and lengths.<\/li>\n<li data-section-id=\"1jv2og9\" data-start=\"4665\" data-end=\"4773\">Do you support third-party inspection?<br data-start=\"4706\" data-end=\"4709\" \/>Yes, we support SGS, BV, TUV, and other third-party inspections.<\/li>\n<li data-section-id=\"1bfcegg\" data-start=\"4775\" data-end=\"4916\">What industries use seamless tubes?<br data-start=\"4813\" data-end=\"4816\" \/>They are widely used in oil &amp; gas, petrochemical, chemical processing, power, and marine industries.<\/li>\n<\/ol>\n<hr data-start=\"4397\" data-end=\"4400\" \/>\n<h2 data-section-id=\"1h5m1rc\" data-start=\"4402\" data-end=\"4416\">Get a Quote<\/h2>\n<p data-start=\"4948\" data-end=\"5010\">Looking for a reliable stainless steel seamless tube supplier?<\/p>\n<p data-start=\"5012\" data-end=\"5123\">\ud83d\udc49 Send us your requirements (material, size, quantity), and our team will provide a quotation within 24 hours.<\/p>\n<p data-start=\"5125\" data-end=\"5203\">\ud83d\udc49 <strong data-start=\"5128\" data-end=\"5203\">Click &#8220;Request a Quote&#8221; or contact us via WhatsApp for faster response.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"pointer-events-none h-px w-px absolute bottom-0\" aria-hidden=\"true\" data-edge=\"true\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p data-start=\"207\" data-end=\"393\">Yunming Metal is an ASTM A312 stainless steel seamless tube supplier and manufacturer in China, providing high-quality seamless tubes for high-pressure and high-temperature applications.<\/p>\n<p data-start=\"395\" data-end=\"579\">Our products offer excellent corrosion resistance, high strength, and reliable performance. Custom sizes, materials, and specifications are available to meet your project requirements.<\/p>\n","protected":false},"featured_media":4366,"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":[21],"product_tag":[],"class_list":{"0":"post-1845","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-stainless-steel-pipe-tube","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"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>Stainless Steel Seamless Tube Supplier | ASTM A312 Manufacturer China<\/title>\n<meta name=\"description\" content=\"Professional stainless steel seamless tube supplier. ASTM A312 standard, high quality, fast delivery, factory price. Get a quote now.\" \/>\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\/stainless-steel-seamless-tube\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stainless Steel Seamless Tube\" \/>\n<meta property=\"og:description\" content=\"Professional stainless steel seamless tube supplier. ASTM A312 standard, high quality, fast delivery, factory price. 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