{"product_id":"stainless-steel-weld-neck-flange-astm-a182-f304-f316-asme-b16-5","title":"Stainless Steel Weld Neck Flange (SS WN Flange) – ASTM A182 F304 \/ F316 | ASME, EN, DIN, GOST","description":"\u003ch2 data-start=\"539\" data-end=\"574\"\u003eStainless Steel Weld Neck Flange\u003c\/h2\u003e\n\u003cp data-start=\"576\" data-end=\"924\"\u003eStainless Steel Weld Neck Flange (SS WN Flange) is designed for high-pressure and high-temperature piping systems where strength, corrosion resistance, and leak-free performance are critical.\u003cbr data-start=\"767\" data-end=\"770\"\u003eWith a long tapered hub and butt weld connection to the pipe, the weld neck flange provides excellent stress distribution and strong mechanical integrity.\u003c\/p\u003e\n\u003cp data-start=\"926\" data-end=\"1065\"\u003eOur stainless steel weld neck flanges are widely used in oil \u0026amp; gas, chemical processing, power plants, shipbuilding, and offshore projects.\u003c\/p\u003e\n\u003chr data-start=\"1067\" data-end=\"1070\"\u003e\n\u003ch2 data-start=\"1072\" data-end=\"1090\"\u003e🔹 Key Features\u003c\/h2\u003e\n\u003cul data-start=\"1092\" data-end=\"1421\"\u003e\n\u003cli data-start=\"1092\" data-end=\"1160\"\u003e\n\u003cp data-start=\"1094\" data-end=\"1160\"\u003eButt weld connection ensures high strength and long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1161\" data-end=\"1223\"\u003e\n\u003cp data-start=\"1163\" data-end=\"1223\"\u003eTapered hub reduces stress concentration at the weld joint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1272\"\u003e\n\u003cp data-start=\"1226\" data-end=\"1272\"\u003eExcellent corrosion and oxidation resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1337\"\u003eSuitable for high pressure and high temperature applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1338\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1387\"\u003eSmooth internal bore improves flow efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1421\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1421\"\u003eEasy inspection and maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1423\" data-end=\"1426\"\u003e\n\u003ch2 data-start=\"1428\" data-end=\"1443\"\u003e🔹 Standards\u003c\/h2\u003e\n\u003cp data-start=\"1445\" data-end=\"1507\"\u003eManufactured in accordance with major international standards:\u003c\/p\u003e\n\u003cul data-start=\"1509\" data-end=\"1650\"\u003e\n\u003cli data-start=\"1509\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1511\" data-end=\"1541\"\u003e\u003cstrong data-start=\"1511\" data-end=\"1539\"\u003eASME B16.5 \/ ASME B16.47\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1559\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1559\"\u003e\u003cstrong data-start=\"1544\" data-end=\"1557\"\u003eEN 1092-1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1560\" data-end=\"1576\"\u003e\n\u003cp data-start=\"1562\" data-end=\"1576\"\u003e\u003cstrong data-start=\"1562\" data-end=\"1574\"\u003eGOST 12821 \/ GOST 33259\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1577\" data-end=\"1608\"\u003e\n\u003cp data-start=\"1579\" data-end=\"1608\"\u003e\u003cstrong data-start=\"1579\" data-end=\"1606\"\u003eDIN, JIS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1609\" data-end=\"1650\"\u003e\n\u003cp data-start=\"1611\" data-end=\"1650\"\u003eCustom standards available upon request\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1652\" data-end=\"1655\"\u003e\n\u003ch2 data-start=\"1657\" data-end=\"1681\"\u003e🔹 Materials \u0026amp; Grades\u003c\/h2\u003e\n\u003cp data-start=\"1683\" data-end=\"1727\"\u003eAvailable stainless steel materials include:\u003c\/p\u003e\n\u003cul data-start=\"1729\" data-end=\"1887\"\u003e\n\u003cli data-start=\"1729\" data-end=\"1755\"\u003e\n\u003cp data-start=\"1731\" data-end=\"1755\"\u003eASTM A182 F304 \/ F304L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1756\" data-end=\"1782\"\u003e\n\u003cp data-start=\"1758\" data-end=\"1782\"\u003eASTM A182 F316 \/ F316L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1783\" data-end=\"1801\"\u003e\n\u003cp data-start=\"1785\" data-end=\"1801\"\u003eASTM A182 F321\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1802\" data-end=\"1820\"\u003e\n\u003cp data-start=\"1804\" data-end=\"1820\"\u003eASTM A182 F347\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1821\" data-end=\"1852\"\u003e\n\u003cp data-start=\"1823\" data-end=\"1852\"\u003eEN 1.4301 \/ 1.4401 \/ 1.4571\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1853\" data-end=\"1887\"\u003e\n\u003cp data-start=\"1855\" data-end=\"1887\"\u003eDuplex \u0026amp; Super Duplex (optional)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1889\" data-end=\"1892\"\u003e\n\u003ch2 data-start=\"1894\" data-end=\"1922\"\u003e🔹 Size \u0026amp; Pressure Rating\u003c\/h2\u003e\n\u003cul data-start=\"1924\" data-end=\"2148\"\u003e\n\u003cli data-start=\"1924\" data-end=\"1970\"\u003e\n\u003cp data-start=\"1926\" data-end=\"1970\"\u003eSize range: \u003cstrong data-start=\"1938\" data-end=\"1968\"\u003eDN15 – DN2000 (1\/2” – 80”)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1971\" data-end=\"2017\"\u003e\n\u003cp data-start=\"1973\" data-end=\"2017\"\u003ePressure class: \u003cstrong data-start=\"1989\" data-end=\"2015\"\u003eClass 150 – Class 2500\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2018\" data-end=\"2053\"\u003e\n\u003cp data-start=\"2020\" data-end=\"2053\"\u003eFacing types: \u003cstrong data-start=\"2034\" data-end=\"2051\"\u003eRF \/ RTJ \/ FF\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2054\" data-end=\"2091\"\u003e\n\u003cp data-start=\"2056\" data-end=\"2091\"\u003eManufacturing: Forged or machined\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2092\" data-end=\"2148\"\u003e\n\u003cp data-start=\"2094\" data-end=\"2148\"\u003eSurface finish: Anti-rust oil \/ pickling \u0026amp; passivation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2150\" data-end=\"2153\"\u003e\n\u003ch2 data-start=\"2155\" data-end=\"2173\"\u003e🔹 Applications\u003c\/h2\u003e\n\u003cp data-start=\"2175\" data-end=\"2231\"\u003eStainless steel weld neck flanges are widely applied in:\u003c\/p\u003e\n\u003cul data-start=\"2233\" data-end=\"2462\"\u003e\n\u003cli data-start=\"2233\" data-end=\"2256\"\u003e\n\u003cp data-start=\"2235\" data-end=\"2256\"\u003eOil \u0026amp; Gas pipelines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2257\" data-end=\"2292\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2292\"\u003eChemical \u0026amp; petrochemical plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2293\" data-end=\"2321\"\u003e\n\u003cp data-start=\"2295\" data-end=\"2321\"\u003ePower generation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2322\" data-end=\"2355\"\u003e\n\u003cp data-start=\"2324\" data-end=\"2355\"\u003eOffshore \u0026amp; marine engineering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2356\" data-end=\"2386\"\u003e\n\u003cp data-start=\"2358\" data-end=\"2386\"\u003eWater treatment facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2387\" data-end=\"2423\"\u003e\n\u003cp data-start=\"2389\" data-end=\"2423\"\u003eFood \u0026amp; pharmaceutical industries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2424\" data-end=\"2462\"\u003e\n\u003cp data-start=\"2426\" data-end=\"2462\"\u003ePressure vessels and heat exchangers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2464\" data-end=\"2467\"\u003e\n\u003ch2 data-start=\"2469\" data-end=\"2503\"\u003e🔹 Quality Control \u0026amp; Inspection\u003c\/h2\u003e\n\u003cul data-start=\"2505\" data-end=\"2731\"\u003e\n\u003cli data-start=\"2505\" data-end=\"2551\"\u003e\n\u003cp data-start=\"2507\" data-end=\"2551\"\u003eRaw material chemical \u0026amp; mechanical testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2552\" data-end=\"2578\"\u003e\n\u003cp data-start=\"2554\" data-end=\"2578\"\u003eDimensional inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2579\" data-end=\"2621\"\u003e\n\u003cp data-start=\"2581\" data-end=\"2621\"\u003ePMI (Positive Material Identification)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2622\" data-end=\"2659\"\u003e\n\u003cp data-start=\"2624\" data-end=\"2659\"\u003eNDT (UT, RT, MT, PT upon request)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2660\" data-end=\"2686\"\u003e\n\u003cp data-start=\"2662\" data-end=\"2686\"\u003e100% visual inspection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2687\" data-end=\"2731\"\u003e\n\u003cp data-start=\"2689\" data-end=\"2731\"\u003eEN 10204 3.1 \/ 3.2 certification available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2733\" data-end=\"2736\"\u003e\n\u003ch2 data-start=\"2738\" data-end=\"2792\"\u003e🔹 Why Choose Our Stainless Steel Weld Neck Flanges\u003c\/h2\u003e\n\u003cul data-start=\"2794\" data-end=\"3052\"\u003e\n\u003cli data-start=\"2794\" data-end=\"2842\"\u003e\n\u003cp data-start=\"2796\" data-end=\"2842\"\u003eFull compliance with international standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2843\" data-end=\"2890\"\u003e\n\u003cp data-start=\"2845\" data-end=\"2890\"\u003eStable export experience for global markets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2891\" data-end=\"2927\"\u003e\n\u003cp data-start=\"2893\" data-end=\"2927\"\u003eStrict quality management system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2928\" data-end=\"2959\"\u003e\n\u003cp data-start=\"2930\" data-end=\"2959\"\u003eCompetitive factory pricing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2960\" data-end=\"3008\"\u003e\n\u003cp data-start=\"2962\" data-end=\"3008\"\u003eCustom sizes and special materials available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3009\" data-end=\"3052\"\u003e\n\u003cp data-start=\"3011\" data-end=\"3052\"\u003eFast delivery for standard specifications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3054\" data-end=\"3057\"\u003e\n\u003ch2 data-start=\"3059\" data-end=\"3085\"\u003e🔹 Packaging \u0026amp; Delivery\u003c\/h2\u003e\n\u003cul data-start=\"3087\" data-end=\"3282\"\u003e\n\u003cli data-start=\"3087\" data-end=\"3124\"\u003e\n\u003cp data-start=\"3089\" data-end=\"3124\"\u003eSeaworthy wooden cases or pallets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3125\" data-end=\"3168\"\u003e\n\u003cp data-start=\"3127\" data-end=\"3168\"\u003eProtective plastic caps on flange faces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3169\" data-end=\"3219\"\u003e\n\u003cp data-start=\"3171\" data-end=\"3219\"\u003eMarking: size, material, standard, heat number\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3220\" data-end=\"3282\"\u003e\n\u003cp data-start=\"3222\" data-end=\"3282\"\u003eDelivery time: according to order quantity and specification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3284\" data-end=\"3287\"\u003e\n\u003ch2 data-start=\"3289\" data-end=\"3310\"\u003e🔹 Request a Quote\u003c\/h2\u003e\n\u003cp data-start=\"3312\" data-end=\"3360\"\u003eSend us your inquiry with the following details:\u003c\/p\u003e\n\u003cul data-start=\"3362\" data-end=\"3494\"\u003e\n\u003cli data-start=\"3362\" data-end=\"3387\"\u003e\n\u003cp data-start=\"3364\" data-end=\"3387\"\u003eSize \u0026amp; pressure class\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3388\" data-end=\"3425\"\u003e\n\u003cp data-start=\"3390\" data-end=\"3425\"\u003eStandard (ASME \/ EN \/ DIN \/ GOST)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3426\" data-end=\"3444\"\u003e\n\u003cp data-start=\"3428\" data-end=\"3444\"\u003eMaterial grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3445\" data-end=\"3457\"\u003e\n\u003cp data-start=\"3447\" data-end=\"3457\"\u003eQuantity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3458\" data-end=\"3494\"\u003e\n\u003cp data-start=\"3460\" data-end=\"3494\"\u003eApplication or project requirement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3496\" data-end=\"3562\"\u003eOur technical team will provide a fast and professional quotation.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":44816937713837,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/0470\/6221\/files\/007.jpg?v=1755421969","url":"https:\/\/chihaoflange.com\/products\/stainless-steel-weld-neck-flange-astm-a182-f304-f316-asme-b16-5","provider":"Hebei Chihao Pipeline Equipment Co., Ltd.","version":"1.0","type":"link"}