Home > Pipe Fittings > Stainless Steel 309H Pipe Fittings
Ranya Stainless, a leading manufacturer and supplier based in Muscat, Oman, is dedicated to providing high-quality stainless steel solutions designed for tough industrial environments. Among its specialized products, Stainless Steel 309H Pipe Fittings are known for their exceptional heat resistance, durability, and corrosion-protective properties. Engineered using advanced manufacturing techniques, these fittings offer excellent performance in applications involving high temperatures and thermal cycling. Ranya Stainless ensures every fitting meets stringent international standards, offering customers reliability, precision, and long-term value. With a strong focus on quality and service, the company remains a trusted partner for industries demanding robust and heat-resistant piping components.
Stainless Steel 309H Pipe Fittings are high-temperature austenitic stainless steel alloys containing 22–24% chromium and 12–15% nickel, with a higher carbon content to enhance strength at elevated temperatures. This composition provides excellent resistance to oxidation, scaling, and thermal fatigue. Mechanically, 309H offers strong tensile strength, increased creep resistance, and reliable yield strength even under continuous heating. Its stability, toughness, and corrosion resistance make these fittings well-suited for severe industrial conditions where both high heat and corrosive elements are present.
| 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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We offers complete testing and certification of its stainless steel 309H pipe fittings. Each product undergoes rigorous inspection, including dimensions, mechanical and chemical testing, to ensure it meets international standards. Certificates including Mill Test Certificates (MTC) have been issued to ensure adequate reliability, durability and performance in various applications
Stainless Steel 309H pipe fittings are high-temperature, corrosion-resistant components designed for extreme heat applications. They ensure durable, reliable connections in industrial furnaces, heat exchangers, and harsh environments.
SS 309H butt weld pipe fittings are high-temperature, corrosion-resistant components used for seamless, strong pipe connections. They ensure durability and reliability in extreme heat and harsh industrial environments.
SS 309H socket weld pipe fittings are high-temperature, corrosion-resistant components providing secure, leak-proof connections. They are designed for high-pressure applications, ensuring durability and reliability in extreme heat and harsh environments.
Stainless Steel 309H seamless fittings are high-strength, corrosion-resistant components crafted without joints. They offer robust, leak-proof connections in extreme heat and harsh environments, ensuring durability and reliable performance.
SS 309H cross pipe fittings are high-temperature, corrosion-resistant components that connect four pipes at a central junction. They provide strong, reliable connections in extreme heat and demanding environments.
Stainless Steel 309H tee fittings are high-temperature, corrosion-resistant components designed to connect three pipes at a right angle. They provide durable, reliable connections in extreme heat and harsh conditions.
Stainless Steel 309H Pipe Fittings are widely used in industries that operate under high-temperature conditions and require reliable corrosion protection. They are commonly employed in furnaces, heat exchangers, boilers, kilns, and thermal processing equipment. Power generation plants rely on them for superheater and reheater tubes, while petrochemical and refinery sectors use them in piping systems exposed to hot gases, steam, and corrosive fluids. They also perform well in waste incineration units, chemical processing lines, and exhaust systems. With excellent resistance to heat and oxidation, 309H fittings ensure stable, long-lasting performance in demanding, high-temperature industrial operations.







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