{"product_id":"stainless-steel-blind-flange-astm-a182-f304-f316-asme-b16-5-pipe-flange","title":"Stainless Steel Blind Flange | ASTM A182 F304 \/ F316 | ASME B16.5 Pipe Flange","description":"\u003ch2 data-start=\"342\" data-end=\"364\"\u003e🔹 Product Overview\u003c\/h2\u003e\n\u003cp data-start=\"366\" data-end=\"513\"\u003eStainless Steel Blind Flanges are solid flanges without a bore, designed to completely close the end of a piping system or pressure vessel opening.\u003c\/p\u003e\n\u003cp data-start=\"515\" data-end=\"843\"\u003eThey provide reliable sealing and allow easy access for future inspection, maintenance, and system expansion. Compared with carbon steel blind flanges, stainless steel blind flanges offer superior corrosion resistance, oxidation resistance, and long service life, making them suitable for harsh and corrosive service conditions.\u003c\/p\u003e\n\u003cp data-start=\"845\" data-end=\"1117\"\u003eManufactured from high-quality stainless steel such as ASTM A182 F304, F304L, F316, and F316L, our blind flanges comply with major international standards including ASME B16.5, ASME B16.47, EN 1092-1, DIN, JIS, and GOST, ensuring compatibility with global piping projects.\u003c\/p\u003e\n\u003chr data-start=\"1119\" data-end=\"1122\"\u003e\n\u003ch2 data-start=\"1124\" data-end=\"1142\"\u003e🔹 Key Features\u003c\/h2\u003e\n\u003cp data-start=\"1144\" data-end=\"1607\"\u003e• Material: Stainless Steel ASTM A182 F304 \/ F304L \/ F316 \/ F316L\u003cbr data-start=\"1209\" data-end=\"1212\"\u003e• Type: Blind Flange (BL Flange)\u003cbr data-start=\"1244\" data-end=\"1247\"\u003e• Connection: Bolted flange joint\u003cbr data-start=\"1280\" data-end=\"1283\"\u003e• Pressure Rating: Class 150 – Class 2500 \/ PN10 – PN400\u003cbr data-start=\"1339\" data-end=\"1342\"\u003e• Facing Type: RF \/ FF \/ RTJ\u003cbr data-start=\"1370\" data-end=\"1373\"\u003e• Standards: ASME, EN, DIN, JIS, GOST\u003cbr data-start=\"1410\" data-end=\"1413\"\u003e• Excellent corrosion and oxidation resistance\u003cbr data-start=\"1459\" data-end=\"1462\"\u003e• Solid forged structure for high mechanical strength\u003cbr data-start=\"1515\" data-end=\"1518\"\u003e• Reliable sealing performance\u003cbr data-start=\"1548\" data-end=\"1551\"\u003e• Easy installation and removal for system maintenance\u003c\/p\u003e\n\u003chr data-start=\"1609\" data-end=\"1612\"\u003e\n\u003ch2 data-start=\"1614\" data-end=\"1638\"\u003e🔹 Materials \u0026amp; Grades\u003c\/h2\u003e\n\u003cp data-start=\"1640\" data-end=\"1678\"\u003eCommon stainless steel grades include:\u003c\/p\u003e\n\u003cp data-start=\"1680\" data-end=\"1909\"\u003e• ASTM A182 F304 \/ F304L\u003cbr data-start=\"1704\" data-end=\"1707\"\u003e• ASTM A182 F316 \/ F316L\u003cbr data-start=\"1731\" data-end=\"1734\"\u003e• ASTM A182 F321\u003cbr data-start=\"1750\" data-end=\"1753\"\u003e• ASTM A182 F347\u003cbr data-start=\"1769\" data-end=\"1772\"\u003e• EN 1.4301 \/ 1.4307 \/ 1.4401 \/ 1.4404\u003cbr data-start=\"1810\" data-end=\"1813\"\u003e• DIN X5CrNi18-10 \/ X2CrNiMo17-12-2\u003cbr data-start=\"1848\" data-end=\"1851\"\u003e• JIS SUS304 \/ SUS316\u003cbr data-start=\"1872\" data-end=\"1875\"\u003e• GOST 08Cr18Ni10 \/ 12Cr18Ni10Ti\u003c\/p\u003e\n\u003chr data-start=\"1911\" data-end=\"1914\"\u003e\n\u003ch2 data-start=\"1916\" data-end=\"1944\"\u003e🔹 Size \u0026amp; Technical Range\u003c\/h2\u003e\n\u003cp data-start=\"1946\" data-end=\"2163\"\u003e• Size range: 1\/2” – 60” (DN15 – DN1500)\u003cbr data-start=\"1986\" data-end=\"1989\"\u003e• Pressure class: Class 150 \/ 300 \/ 600 \/ 900 \/ 1500 \/ 2500\u003cbr data-start=\"2048\" data-end=\"2051\"\u003e• Facing: RF \/ FF \/ RTJ\u003cbr data-start=\"2074\" data-end=\"2077\"\u003e• Manufacturing: Forged and CNC machined\u003cbr data-start=\"2117\" data-end=\"2120\"\u003e• Custom dimensions according to drawings\u003c\/p\u003e\n\u003chr data-start=\"2165\" data-end=\"2168\"\u003e\n\u003ch2 data-start=\"2170\" data-end=\"2204\"\u003e🔹 Surface Treatment (Optional)\u003c\/h2\u003e\n\u003cp data-start=\"2206\" data-end=\"2317\"\u003e• Pickling \u0026amp; passivation\u003cbr data-start=\"2230\" data-end=\"2233\"\u003e• Sand blasting\u003cbr data-start=\"2248\" data-end=\"2251\"\u003e• Polished finish\u003cbr data-start=\"2268\" data-end=\"2271\"\u003e• Anti-rust oil\u003cbr data-start=\"2286\" data-end=\"2289\"\u003e• Epoxy coating (optional)\u003c\/p\u003e\n\u003chr data-start=\"2319\" data-end=\"2322\"\u003e\n\u003ch2 data-start=\"2324\" data-end=\"2342\"\u003e🔹 Applications\u003c\/h2\u003e\n\u003cp data-start=\"2344\" data-end=\"2474\"\u003eStainless Steel Blind Flanges are widely used in piping systems that require corrosion resistance and secure isolation, including:\u003c\/p\u003e\n\u003cp data-start=\"2476\" data-end=\"2711\"\u003e• Chemical and petrochemical plants\u003cbr data-start=\"2511\" data-end=\"2514\"\u003e• Oil \u0026amp; gas pipelines\u003cbr data-start=\"2535\" data-end=\"2538\"\u003e• Offshore platforms\u003cbr data-start=\"2558\" data-end=\"2561\"\u003e• Power generation systems\u003cbr data-start=\"2587\" data-end=\"2590\"\u003e• Water treatment and desalination plants\u003cbr data-start=\"2631\" data-end=\"2634\"\u003e• Marine and shipbuilding industry\u003cbr data-start=\"2668\" data-end=\"2671\"\u003e• Pressure vessels and heat exchangers\u003c\/p\u003e\n\u003cp data-start=\"2713\" data-end=\"2834\"\u003eThey are ideal for closing pipe ends, isolating pipeline sections, and allowing future system modification or inspection.\u003c\/p\u003e\n\u003chr data-start=\"2836\" data-end=\"2839\"\u003e\n\u003ch2 data-start=\"2841\" data-end=\"2878\"\u003e🔹 Quality Control \u0026amp; Certification\u003c\/h2\u003e\n\u003cp data-start=\"2880\" data-end=\"3111\"\u003e• Chemical composition analysis\u003cbr data-start=\"2911\" data-end=\"2914\"\u003e• Mechanical property testing\u003cbr data-start=\"2943\" data-end=\"2946\"\u003e• Dimensional inspection\u003cbr data-start=\"2970\" data-end=\"2973\"\u003e• Visual inspection\u003cbr data-start=\"2992\" data-end=\"2995\"\u003e• PMI testing (optional)\u003cbr data-start=\"3019\" data-end=\"3022\"\u003e• NDT testing (UT \/ MT \/ PT upon request)\u003cbr data-start=\"3063\" data-end=\"3066\"\u003e• EN 10204 3.1 \/ 3.2 certificates available\u003c\/p\u003e\n\u003chr data-start=\"3113\" data-end=\"3116\"\u003e\n\u003ch2 data-start=\"3118\" data-end=\"3144\"\u003e🔹 Packaging \u0026amp; Delivery\u003c\/h2\u003e\n\u003cp data-start=\"3146\" data-end=\"3373\"\u003e• Packed in seaworthy wooden cases or pallets\u003cbr data-start=\"3191\" data-end=\"3194\"\u003e• Protective plastic covers on flange faces\u003cbr data-start=\"3237\" data-end=\"3240\"\u003e• Anti-rust oil coating\u003cbr data-start=\"3263\" data-end=\"3266\"\u003e• Clear marking: size, pressure class, material grade, heat number\u003cbr data-start=\"3332\" data-end=\"3335\"\u003e• Short lead time for standard sizes\u003c\/p\u003e\n\u003chr data-start=\"3375\" data-end=\"3378\"\u003e\n\u003ch2 data-start=\"3380\" data-end=\"3430\"\u003e🔹 Why Choose Our Stainless Steel Blind Flanges\u003c\/h2\u003e\n\u003cp data-start=\"3432\" data-end=\"3714\"\u003e• Professional manufacturer and exporter for global B2B customers\u003cbr data-start=\"3497\" data-end=\"3500\"\u003e• Full compliance with ASME \/ EN \/ DIN \/ JIS \/ GOST standards\u003cbr data-start=\"3561\" data-end=\"3564\"\u003e• Stable quality and competitive pricing\u003cbr data-start=\"3604\" data-end=\"3607\"\u003e• Custom fabrication based on drawings or project specifications\u003cbr data-start=\"3671\" data-end=\"3674\"\u003e• Fast quotation and technical support\u003c\/p\u003e\n\u003chr data-start=\"3716\" data-end=\"3719\"\u003e\n\u003ch2 data-start=\"3721\" data-end=\"3742\"\u003e🔹 Request a Quote\u003c\/h2\u003e\n\u003cp data-start=\"3744\" data-end=\"3793\"\u003eTo receive an accurate quotation, please provide:\u003c\/p\u003e\n\u003cp data-start=\"3795\" data-end=\"4012\"\u003e• Size (DN or inch)\u003cbr data-start=\"3814\" data-end=\"3817\"\u003e• Pressure rating (Class or PN)\u003cbr data-start=\"3848\" data-end=\"3851\"\u003e• Material grade (304 \/ 316 \/ 316L, etc.)\u003cbr data-start=\"3892\" data-end=\"3895\"\u003e• Standard (ASME \/ EN \/ DIN \/ GOST)\u003cbr data-start=\"3930\" data-end=\"3933\"\u003e• Facing type (RF \/ FF \/ RTJ)\u003cbr data-start=\"3962\" data-end=\"3965\"\u003e• Quantity\u003cbr data-start=\"3975\" data-end=\"3978\"\u003e• Application or project details\u003c\/p\u003e\n\u003cp data-start=\"4014\" data-end=\"4090\"\u003eOur technical sales team will respond quickly with a professional quotation.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45735278805165,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/0470\/6221\/files\/51.jpg?v=1770971464","url":"https:\/\/chihaoflange.com\/products\/stainless-steel-blind-flange-astm-a182-f304-f316-asme-b16-5-pipe-flange","provider":"Hebei Chihao Pipeline Equipment Co., Ltd.","version":"1.0","type":"link"}