Weston Stainless, based in Midland, UK, is a trusted supplier of high-quality stainless steel products, providing durable and precision-engineered solutions for various industries. The company is dedicated to delivering materials that meet international standards, ensuring superior performance and reliability. Stainless Steel 310H Flanges, made from Grade 310H stainless steel, are designed for high-temperature and corrosion-resistant applications. Available in various shapes, including slip-on, weld neck, blind, socket weld, and threaded flanges, they contain high chromium and nickel content, offering excellent oxidation resistance. These flanges are widely used in petrochemical plants, power generation, heat exchangers, and furnace applications.
Stainless Steel 310H Flanges are composed of approximately 24-26% Chromium, 19-22% Nickel, 2% Manganese, 0.04-0.10% Carbon, 1.50% Silicon, 0.045% Phosphorus, and 0.03% Sulfur, ensuring excellent oxidation and high-temperature resistance. Their mechanical properties include a tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%, offering durability and reliability. With a density of 7.9 g/cm³, a melting point of 1400-1450°C, and thermal conductivity of 14.2 W/m·K, these flanges are ideal for high-temperature applications in power plants, petrochemical industries, heat exchangers, and furnace components.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 310H | min. | 0.04 | – | – | – | – | 24.0 | – | 19.0 | – |
| max. | 0.10 | 2.00 | 1.00 | 0.045 | 0.030 | 26.0 | 21.0 | |||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 310H | 515 | 205 | 40 | 95 | 217 |
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Stainless Steel 310H Flanges are widely used in high-temperature and corrosion-resistant applications. They are essential in petrochemical plants, power generation facilities, and refineries, connecting pipes and equipment exposed to extreme heat and harsh environments. In the aerospace and automotive industries, they are used in exhaust systems and engine components due to their excellent heat resistance. These flanges play a crucial role in furnace construction, heat exchangers, boilers, and thermal processing units, ensuring leak-proof and durable connections. Their superior oxidation resistance makes them ideal for chemical processing, industrial heating systems, and offshore oil and gas applications.
High-quality stainless steel components designed for secure, high-pressure connections in piping systems. They offer excellent resistance to oxidation and corrosion at elevated temperatures.
A robust seal in high-pressure and high-temperature applications. Crafted from stainless steel, they offer superior resistance to oxidation and corrosion for reliable performance.
Enhanced strength and reliability. They excel in high-temperature and corrosive environments, ensuring secure, long-lasting connections in demanding applications.
High-pressure applications. Their extended neck provides strength and stability, making them ideal for critical, high-temperature environments.
Designed for ease of assembly and disassembly. They offer excellent resistance to high temperatures and corrosion, making them ideal for dynamic applications.
Facilitate the transition between different pipe sizes in high-temperature systems. Made from stainless steel, they offer exceptional strength and corrosion resistance, ensuring reliable performance under demanding conditions.
Stainless Steel 310H Flanges come with test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and material traceability documents, ensuring compliance with international quality standards. They are securely packaged in wooden crates, cartons, or protective wrapping to prevent damage during transit. Delivery is efficient and reliable, catering to both domestic and global markets with safe shipping options, ensuring the flanges reach customers in perfect condition.







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