Home > Pipe Fittings > Stainless Steel 309H Pipe Fittings
Weston Stainless, located in Midland, UK, is a leading supplier of high-quality stainless steel products, providing innovative solutions across a variety of industries. With a focus on durability and performance, they supply materials that meet international standards. Stainless Steel 309H Pipe Fittings are composed of 24-26% chromium and 14-16% nickel, offering excellent resistance to high temperatures and oxidation. These fittings come in various shapes, including elbows, tees, and reducers, and are commonly used in the petrochemical, chemical, and power generation industries for critical high-temperature applications.
Stainless Steel 309H Pipe Fittings are composed of 24-26% chromium, 14-16% nickel, with small amounts of manganese, silicon, and carbon. The mechanical properties include a tensile strength of around 520 MPa, yield strength of 205 MPa, and an elongation of 40%. The Brinell hardness is approximately 201 HB. Physically, these fittings have a density of 7.9 g/cm³, a melting point between 1400-1450°C, and a thermal conductivity of 15.1 W/m·K. They offer exceptional resistance to oxidation, high temperatures, and corrosion, making them ideal for demanding industrial applications.
| Grades | 201, 202, 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Size | ½”NB to 48″NB in |
| Schedule | Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 309H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
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Stainless Steel 309H Pipe Fittings are commonly used in high-temperature and corrosive environments due to their excellent resistance to oxidation and heat. They are widely used in industries such as petrochemical, chemical processing, power generation, and aerospace. Applications include heat exchangers, boilers, gas turbines, exhaust systems, and furnace components. These fittings are ideal for connecting pipes, valves, and other equipment in critical systems that operate under extreme conditions, ensuring durability, long-term performance, and reliability in industries that require high-performance, heat-resistant materials.
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Stainless Steel 309H Pipe Fittings are supplied with comprehensive test certificates, including Mill Test Certificates (MTC), material certificates, and third-party inspection reports to ensure compliance with industry standards. The fittings are securely packaged using protective materials such as wooden crates, cartons, or plastic wraps to prevent damage during transit. Delivery is efficient and reliable, with various shipping options available, ensuring safe and timely arrival at global destinations while maintaining the integrity of the products throughout the process.
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