{"id":2520,"date":"2024-10-27T08:46:32","date_gmt":"2024-10-27T08:46:32","guid":{"rendered":"https:\/\/yunming-metal.com\/?post_type=product&#038;p=2520"},"modified":"2026-03-21T18:15:02","modified_gmt":"2026-03-21T10:15:02","slug":"hastelloy-alloys","status":"publish","type":"product","link":"https:\/\/yunming-metal.com\/en\/product\/hastelloy-alloys\/","title":{"rendered":"Hastelloy Alloys"},"content":{"rendered":"<h1 data-start=\"110\" data-end=\"141\"><span role=\"text\"><strong data-start=\"112\" data-end=\"141\">Hastelloy Alloys Products<\/strong><\/span><\/h1>\n<h2 data-start=\"143\" data-end=\"166\"><span role=\"text\"><strong data-start=\"146\" data-end=\"166\">Product Overview<\/strong><\/span><\/h2>\n<p data-start=\"167\" data-end=\"430\">Hastelloy alloys are nickel-based corrosion-resistant materials designed for extreme environments involving strong acids, oxidizing media, and high temperatures. These alloys offer excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.<\/p>\n<p data-start=\"432\" data-end=\"618\">Common grades include Hastelloy C276, C22, B2, and X, which are widely used in chemical processing, marine engineering, flue gas desulfurization (FGD), and high-temperature applications.<\/p>\n<p data-start=\"620\" data-end=\"770\">Available product forms include pipes, tubes, plates, bars, fittings, and flanges, all manufactured to international standards with full traceability.<\/p>\n<hr data-start=\"772\" data-end=\"775\" \/>\n<h2 data-start=\"777\" data-end=\"801\"><span role=\"text\"><strong data-start=\"780\" data-end=\"801\">Application Areas<\/strong><\/span><\/h2>\n<p data-start=\"802\" data-end=\"867\">Hastelloy alloys are widely used in demanding industrial sectors:<\/p>\n<ul data-start=\"869\" data-end=\"1130\">\n<li data-start=\"869\" data-end=\"928\">\n<p data-start=\"871\" data-end=\"928\">Chemical processing equipment (reactors, heat exchangers)<\/p>\n<\/li>\n<li data-start=\"929\" data-end=\"973\">\n<p data-start=\"931\" data-end=\"973\">Oil &amp; gas pipelines and offshore platforms<\/p>\n<\/li>\n<li data-start=\"974\" data-end=\"1007\">\n<p data-start=\"976\" data-end=\"1007\">Marine and desalination systems<\/p>\n<\/li>\n<li data-start=\"1008\" data-end=\"1038\">\n<p data-start=\"1010\" data-end=\"1038\">Power plants and FGD systems<\/p>\n<\/li>\n<li data-start=\"1039\" data-end=\"1082\">\n<p data-start=\"1041\" data-end=\"1082\">Aerospace and high-temperature components<\/p>\n<\/li>\n<li data-start=\"1083\" data-end=\"1130\">\n<p data-start=\"1085\" data-end=\"1130\">Pharmaceutical and food processing industries<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1132\" data-end=\"1135\" \/>\n<h2 data-start=\"1137\" data-end=\"1160\"><span role=\"text\"><strong data-start=\"1140\" data-end=\"1160\">Product Features<\/strong><\/span><\/h2>\n<ul data-start=\"1161\" data-end=\"1487\">\n<li data-start=\"1161\" data-end=\"1220\">\n<p data-start=\"1163\" data-end=\"1220\">Outstanding resistance to strong acids (HCl, H2SO4, HNO3)<\/p>\n<\/li>\n<li data-start=\"1221\" data-end=\"1283\">\n<p data-start=\"1223\" data-end=\"1283\">Excellent performance in oxidizing and reducing environments<\/p>\n<\/li>\n<li data-start=\"1284\" data-end=\"1334\">\n<p data-start=\"1286\" data-end=\"1334\">High resistance to pitting and crevice corrosion<\/p>\n<\/li>\n<li data-start=\"1335\" data-end=\"1390\">\n<p data-start=\"1337\" data-end=\"1390\">Superior mechanical strength at elevated temperatures<\/p>\n<\/li>\n<li data-start=\"1391\" data-end=\"1437\">\n<p data-start=\"1393\" data-end=\"1437\">Good weldability and fabrication performance<\/p>\n<\/li>\n<li data-start=\"1438\" data-end=\"1487\">\n<p data-start=\"1440\" data-end=\"1487\">Long service life with reduced maintenance cost<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1489\" data-end=\"1492\" \/>\n<h2 data-start=\"1494\" data-end=\"1525\"><span role=\"text\"><strong data-start=\"1497\" data-end=\"1525\">Technical Specifications<\/strong><\/span><\/h2>\n<h3 data-start=\"1527\" data-end=\"1548\"><span role=\"text\"><strong data-start=\"1531\" data-end=\"1548\">Product Forms<\/strong><\/span><\/h3>\n<ul data-start=\"1549\" data-end=\"1690\">\n<li data-start=\"1549\" data-end=\"1580\">\n<p data-start=\"1551\" data-end=\"1580\">Seamless Pipe \/ Welded Pipe<\/p>\n<\/li>\n<li data-start=\"1581\" data-end=\"1619\">\n<p data-start=\"1583\" data-end=\"1619\">Tube (U Tube \/ Coil Tube optional)<\/p>\n<\/li>\n<li data-start=\"1620\" data-end=\"1637\">\n<p data-start=\"1622\" data-end=\"1637\">Plate \/ Sheet<\/p>\n<\/li>\n<li data-start=\"1638\" data-end=\"1662\">\n<p data-start=\"1640\" data-end=\"1662\">Round Bar \/ Flat Bar<\/p>\n<\/li>\n<li data-start=\"1663\" data-end=\"1690\">\n<p data-start=\"1665\" data-end=\"1690\">Flanges &amp; Pipe Fittings<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1692\" data-end=\"1695\" \/>\n<h3 data-start=\"1697\" data-end=\"1727\"><span role=\"text\"><strong data-start=\"1701\" data-end=\"1727\">Pipe &amp; Tube Dimensions<\/strong><\/span><\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1729\" data-end=\"2071\">\n<thead data-start=\"1729\" data-end=\"1805\">\n<tr data-start=\"1729\" data-end=\"1805\">\n<th class=\"\" data-start=\"1729\" data-end=\"1736\" data-col-size=\"sm\">Type<\/th>\n<th class=\"\" data-start=\"1736\" data-end=\"1746\" data-col-size=\"sm\">OD (mm)<\/th>\n<th class=\"\" data-start=\"1746\" data-end=\"1758\" data-col-size=\"sm\">OD (inch)<\/th>\n<th class=\"\" data-start=\"1758\" data-end=\"1780\" data-col-size=\"sm\">Wall Thickness (mm)<\/th>\n<th class=\"\" data-start=\"1780\" data-end=\"1805\" data-col-size=\"sm\">Wall Thickness (inch)<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1879\" data-end=\"2071\">\n<tr data-start=\"1879\" data-end=\"1945\">\n<td data-start=\"1879\" data-end=\"1895\" data-col-size=\"sm\">Seamless Pipe<\/td>\n<td data-start=\"1895\" data-end=\"1905\" data-col-size=\"sm\">6 \u2013 630<\/td>\n<td data-start=\"1905\" data-end=\"1918\" data-col-size=\"sm\">1\/4&#8243; \u2013 24&#8243;<\/td>\n<td data-start=\"1918\" data-end=\"1927\" data-col-size=\"sm\">1 \u2013 40<\/td>\n<td data-start=\"1927\" data-end=\"1945\" data-col-size=\"sm\">1\/25&#8243; \u2013 1 1\/2&#8243;<\/td>\n<\/tr>\n<tr data-start=\"1946\" data-end=\"2010\">\n<td data-start=\"1946\" data-end=\"1960\" data-col-size=\"sm\">Welded Pipe<\/td>\n<td data-start=\"1960\" data-end=\"1972\" data-col-size=\"sm\">15 \u2013 2000<\/td>\n<td data-start=\"1972\" data-end=\"1985\" data-col-size=\"sm\">1\/2&#8243; \u2013 80&#8243;<\/td>\n<td data-start=\"1985\" data-end=\"1996\" data-col-size=\"sm\">1.5 \u2013 50<\/td>\n<td data-start=\"1996\" data-end=\"2010\" data-col-size=\"sm\">1\/16&#8243; \u2013 2&#8243;<\/td>\n<\/tr>\n<tr data-start=\"2011\" data-end=\"2071\">\n<td data-start=\"2011\" data-end=\"2018\" data-col-size=\"sm\">Tube<\/td>\n<td data-start=\"2018\" data-end=\"2028\" data-col-size=\"sm\">6 \u2013 114<\/td>\n<td data-start=\"2028\" data-end=\"2044\" data-col-size=\"sm\">1\/4&#8243; \u2013 4 1\/2&#8243;<\/td>\n<td data-start=\"2044\" data-end=\"2054\" data-col-size=\"sm\">0.5 \u2013 8<\/td>\n<td data-start=\"2054\" data-end=\"2071\" data-col-size=\"sm\">1\/50&#8243; \u2013 5\/16&#8243;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2073\" data-end=\"2076\" \/>\n<h3 data-start=\"2078\" data-end=\"2099\"><span role=\"text\"><strong data-start=\"2082\" data-end=\"2099\">Plate &amp; Sheet<\/strong><\/span><\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2101\" data-end=\"2365\">\n<thead data-start=\"2101\" data-end=\"2172\">\n<tr data-start=\"2101\" data-end=\"2172\">\n<th class=\"\" data-start=\"2101\" data-end=\"2108\" data-col-size=\"sm\">Type<\/th>\n<th class=\"\" data-start=\"2108\" data-end=\"2125\" data-col-size=\"sm\">Thickness (mm)<\/th>\n<th class=\"\" data-start=\"2125\" data-end=\"2144\" data-col-size=\"sm\">Thickness (inch)<\/th>\n<th class=\"\" data-start=\"2144\" data-end=\"2157\" data-col-size=\"sm\">Width (mm)<\/th>\n<th class=\"\" data-start=\"2157\" data-end=\"2172\" data-col-size=\"sm\">Length (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2242\" data-end=\"2365\">\n<tr data-start=\"2242\" data-end=\"2304\">\n<td data-start=\"2242\" data-end=\"2250\" data-col-size=\"sm\">Sheet<\/td>\n<td data-start=\"2250\" data-end=\"2260\" data-col-size=\"sm\">0.5 \u2013 6<\/td>\n<td data-start=\"2260\" data-end=\"2275\" data-col-size=\"sm\">1\/50&#8243; \u2013 1\/4&#8243;<\/td>\n<td data-start=\"2275\" data-end=\"2289\" data-col-size=\"sm\">1000 \u2013 2000<\/td>\n<td data-start=\"2289\" data-end=\"2304\" data-col-size=\"sm\">2000 \u2013 6000<\/td>\n<\/tr>\n<tr data-start=\"2305\" data-end=\"2365\">\n<td data-start=\"2305\" data-end=\"2313\" data-col-size=\"sm\">Plate<\/td>\n<td data-start=\"2313\" data-end=\"2323\" data-col-size=\"sm\">6 \u2013 100<\/td>\n<td data-start=\"2323\" data-end=\"2335\" data-col-size=\"sm\">1\/4&#8243; \u2013 4&#8243;<\/td>\n<td data-start=\"2335\" data-end=\"2349\" data-col-size=\"sm\">1000 \u2013 3000<\/td>\n<td data-start=\"2349\" data-end=\"2365\" data-col-size=\"sm\">2000 \u2013 12000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2367\" data-end=\"2370\" \/>\n<h3 data-start=\"2372\" data-end=\"2384\"><span role=\"text\"><strong data-start=\"2376\" data-end=\"2384\">Bars<\/strong><\/span><\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2386\" data-end=\"2586\">\n<thead data-start=\"2386\" data-end=\"2437\">\n<tr data-start=\"2386\" data-end=\"2437\">\n<th class=\"\" data-start=\"2386\" data-end=\"2393\" data-col-size=\"sm\">Type<\/th>\n<th class=\"\" data-start=\"2393\" data-end=\"2409\" data-col-size=\"sm\">Diameter (mm)<\/th>\n<th class=\"\" data-start=\"2409\" data-end=\"2427\" data-col-size=\"sm\">Diameter (inch)<\/th>\n<th class=\"\" data-start=\"2427\" data-end=\"2437\" data-col-size=\"sm\">Length<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2488\" data-end=\"2586\">\n<tr data-start=\"2488\" data-end=\"2541\">\n<td data-start=\"2488\" data-end=\"2500\" data-col-size=\"sm\">Round Bar<\/td>\n<td data-start=\"2500\" data-end=\"2510\" data-col-size=\"sm\">6 \u2013 500<\/td>\n<td data-start=\"2510\" data-end=\"2523\" data-col-size=\"sm\">1\/4&#8243; \u2013 20&#8243;<\/td>\n<td data-start=\"2523\" data-end=\"2541\" data-col-size=\"sm\">3000 \u2013 6000 mm<\/td>\n<\/tr>\n<tr data-start=\"2542\" data-end=\"2586\">\n<td data-start=\"2542\" data-end=\"2553\" data-col-size=\"sm\">Flat Bar<\/td>\n<td data-start=\"2553\" data-end=\"2564\" data-col-size=\"sm\">10 \u2013 200<\/td>\n<td data-start=\"2564\" data-end=\"2576\" data-col-size=\"sm\">3\/8&#8243; \u2013 8&#8243;<\/td>\n<td data-start=\"2576\" data-end=\"2586\" data-col-size=\"sm\">Custom<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2588\" data-end=\"2591\" \/>\n<h3 data-start=\"2593\" data-end=\"2610\"><span role=\"text\"><strong data-start=\"2597\" data-end=\"2610\">Standards<\/strong><\/span><\/h3>\n<ul data-start=\"2611\" data-end=\"2716\">\n<li data-start=\"2611\" data-end=\"2638\">\n<p data-start=\"2613\" data-end=\"2638\">ASTM B622 \/ B619 \/ B626<\/p>\n<\/li>\n<li data-start=\"2639\" data-end=\"2659\">\n<p data-start=\"2641\" data-end=\"2659\">ASTM B575 \/ B574<\/p>\n<\/li>\n<li data-start=\"2660\" data-end=\"2681\">\n<p data-start=\"2662\" data-end=\"2681\">ASME SB standards<\/p>\n<\/li>\n<li data-start=\"2682\" data-end=\"2716\">\n<p data-start=\"2684\" data-end=\"2716\">EN \/ DIN equivalents available<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2718\" data-end=\"2721\" \/>\n<h2 data-start=\"2723\" data-end=\"2751\"><span role=\"text\"><strong data-start=\"2726\" data-end=\"2751\">Manufacturing Process<\/strong><\/span><\/h2>\n<p data-start=\"2752\" data-end=\"2824\">Hastelloy products are produced under strict quality control procedures:<\/p>\n<ul data-start=\"2826\" data-end=\"3077\">\n<li data-start=\"2826\" data-end=\"2876\">\n<p data-start=\"2828\" data-end=\"2876\">Raw material melting (VIM + ESR for high purity)<\/p>\n<\/li>\n<li data-start=\"2877\" data-end=\"2900\">\n<p data-start=\"2879\" data-end=\"2900\">Hot rolling \/ forging<\/p>\n<\/li>\n<li data-start=\"2901\" data-end=\"2931\">\n<p data-start=\"2903\" data-end=\"2931\">Cold drawing or cold rolling<\/p>\n<\/li>\n<li data-start=\"2932\" data-end=\"2971\">\n<p data-start=\"2934\" data-end=\"2971\">Solution annealing and heat treatment<\/p>\n<\/li>\n<li data-start=\"2972\" data-end=\"3005\">\n<p data-start=\"2974\" data-end=\"3005\">Precision machining and forming<\/p>\n<\/li>\n<li data-start=\"3006\" data-end=\"3044\">\n<p data-start=\"3008\" data-end=\"3044\">Non-destructive testing (UT, PT, RT)<\/p>\n<\/li>\n<li data-start=\"3045\" data-end=\"3077\">\n<p data-start=\"3047\" data-end=\"3077\">Final inspection and packaging<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3079\" data-end=\"3158\">All products are supplied with Mill Test Certificates (MTC EN 10204 3.1 \/ 3.2).<\/p>\n<hr data-start=\"3160\" data-end=\"3163\" \/>\n<h2 data-start=\"3165\" data-end=\"3175\"><span role=\"text\"><strong data-start=\"3168\" data-end=\"3175\">FAQ<\/strong><\/span><\/h2>\n<h3 data-start=\"3177\" data-end=\"3242\"><span role=\"text\"><strong data-start=\"3181\" data-end=\"3242\">1. What is the difference between Hastelloy C276 and C22?<\/strong><\/span><\/h3>\n<p data-start=\"3243\" data-end=\"3406\">C276 offers excellent overall corrosion resistance, while C22 provides better performance in oxidizing environments and improved resistance to localized corrosion.<\/p>\n<hr data-start=\"3408\" data-end=\"3411\" \/>\n<h3 data-start=\"3413\" data-end=\"3462\"><span role=\"text\"><strong data-start=\"3417\" data-end=\"3462\">2. Can Hastelloy alloys be welded easily?<\/strong><\/span><\/h3>\n<p data-start=\"3463\" data-end=\"3594\">Yes, most Hastelloy grades have good weldability using standard welding methods such as TIG and MIG, with minimal risk of cracking.<\/p>\n<hr data-start=\"3596\" data-end=\"3599\" \/>\n<h3 data-start=\"3601\" data-end=\"3661\"><span role=\"text\"><strong data-start=\"3605\" data-end=\"3661\">3. What industries commonly use Hastelloy materials?<\/strong><\/span><\/h3>\n<p data-start=\"3662\" data-end=\"3777\">They are widely used in chemical processing, marine engineering, oil &amp; gas, power plants, and aerospace industries.<\/p>\n<hr data-start=\"3779\" data-end=\"3782\" \/>\n<h3 data-start=\"3784\" data-end=\"3846\"><span role=\"text\"><strong data-start=\"3788\" data-end=\"3846\">4. Do you provide custom sizes and machining services?<\/strong><\/span><\/h3>\n<p data-start=\"3847\" data-end=\"3957\">Yes, custom dimensions, cutting, machining, and surface finishing are available based on project requirements.<\/p>\n<hr data-start=\"3959\" data-end=\"3962\" \/>\n<h3 data-start=\"3964\" data-end=\"4020\"><span role=\"text\"><strong data-start=\"3968\" data-end=\"4020\">5. What certifications do your products include?<\/strong><\/span><\/h3>\n<p data-start=\"4021\" data-end=\"4129\">Products are supplied with MTC (EN 10204 3.1 \/ 3.2), and third-party inspection can be arranged if required.<\/p>\n<hr data-start=\"4131\" data-end=\"4134\" \/>\n<h2 data-start=\"4136\" data-end=\"4153\"><span role=\"text\"><strong data-start=\"4139\" data-end=\"4153\">Conclusion<\/strong><\/span><\/h2>\n<p data-start=\"4154\" data-end=\"4437\">Hastelloy alloys provide reliable performance in the most aggressive environments. With excellent corrosion resistance, high-temperature strength, and versatile product forms, they are an ideal choice for critical industrial applications requiring durability and long-term stability.<\/p>\n<p data-start=\"4154\" data-end=\"4437\"><strong data-start=\"143\" data-end=\"168\">Still Have Questions?<\/strong><br data-start=\"168\" data-end=\"171\" \/>Feel free to <a href=\"https:\/\/yunming-metal.com\/en\/contact\/\">contact us<\/a> for more details or to discuss your custom Hastelloy alloy requirements. Our technical support team is ready to assist with material selection, specifications, certifications, and delivery solutions for your projects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yunming Metal supplies high-performance Hastelloy alloys including pipes, tubes, plates, bars and fittings. Designed for extreme corrosion and high-temperature environments, our products meet international standards and are widely used in chemical, marine and energy industries.<\/p>\n","protected":false},"featured_media":4868,"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":[30,32],"product_tag":[],"class_list":{"0":"post-2520","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-special-alloys","7":"product_cat-hastelloy-alloys","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>Hastelloy Alloys - Yunming Metal - Stainless Steel Manufacturer &amp; 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