Weston Stainless, based in Midland, UK, is a trusted manufacturer and supplier of high-quality stainless steel fasteners and components, catering to industries such as petrochemical, power generation, marine, and construction. Among its premium products, Stainless Steel 310S Flanges are highly valued for their exceptional heat and oxidation resistance. Made from Grade 310S stainless steel, these flanges come in various shapes, including weld neck, slip-on, blind, socket weld, and threaded flanges. Composed of iron, 24-26% chromium, 19-22% nickel, and low carbon content, they offer superior strength and durability, making them ideal for high-temperature and corrosive environments such as furnaces and boilers.
Stainless Steel 310S Flanges are composed of iron, 24-26% chromium, 19-22% nickel, 2% manganese, 0.75% silicon, 0.08% carbon, 0.045% phosphorus, and 0.03% sulfur. They exhibit excellent mechanical properties, including a tensile strength of approximately 515 MPa, yield strength of 205 MPa, and an elongation of 40%. Their physical properties include a density of 7.9 g/cm³, a melting point of 1400-1450°C, and high thermal expansion. These properties make them ideal for high-temperature applications such as heat exchangers, boilers, and furnace components in industries requiring durability and oxidation resistance.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 48″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 310S | 0.08 | 2.0 | 1.00 | 0.045 | 0.030 | 24.00 – 26.00 | 0.75 | 19.00 – 21.00 | 53.095 |
| Grade | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 310S | 7.9 g/cm3 | 515 | 205 | 40 |
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Stainless Steel 310S Flanges are widely used in high-temperature and corrosive environments due to their excellent oxidation and heat resistance. They are commonly found in furnace components, boilers, heat exchangers, kilns, and refractory applications, where stability under extreme conditions is essential. Industries such as petrochemical, aerospace, power generation, and marine rely on these flanges for connecting pipes and securing equipment exposed to thermal cycling. Additionally, they are used in exhaust systems, incinerators, and chemical processing plants. Their superior strength, durability, and resistance to scaling make them ideal for demanding industrial applications requiring long-term performance.
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Stainless Steel 310S Flanges come with test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and compliance documents per ASTM and EN standards, ensuring quality and reliability. They are securely packed in wooden boxes, cartons, or bubble-wrapped poly bags with proper labeling to prevent damage during transit. With an efficient supply chain and reliable logistics, deliveries are prompt, catering to both domestic and international markets to meet customer demands efficiently.







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