Home > Pipe Fittings > Stainless Steel 309S Pipe Fittings
Aditya Stainless stands out as a leading manufacturer and supplier of Stainless Steel 309S Pipe Fittings, proudly based in Kolkata, India. They specialize in delivering precision-engineered solutions tailored for industries that demand exceptional heat and corrosion resistance. The SS 309S, a low carbon variant of 309, is perfect for high-temperature applications and offers excellent weldability. Their range of pipe fittings—including elbows, tees, reducers, and caps—are crafted to comply with both national and international quality standards. With remarkable strength and oxidation resistance at elevated temperatures, Aditya Stainless guarantees that its 309S pipe fittings are well-suited for critical sectors like chemical processing, oil & gas, and thermal engineering.
Stainless Steel 309S Pipe Fittings are primarily made up of 22–24% chromium, 12–15% nickel, and a maximum of 0.08% carbon, which significantly boosts their weldability and resistance to intergranular corrosion. This material boasts a tensile strength of around 550 MPa, a yield strength of about 205 MPa, and an elongation of up to 40%, ensuring they remain tough and reliable even under high-stress and high-heat conditions. These fittings maintain their mechanical strength at temperatures reaching up to 980°C, making them ideal for thermal and chemical environments that require structural integrity and a long service life.
| 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 309S | 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 provides some of the excellent quality pipe fittings in stainless steel 309S through testing and certification. In fact, each one of the offered products undergoes comprehensive tests based on chemical composition analysis, evaluation of mechanical property, and Non-Destructive Testing (NDT). Provided certificates for all international standards from ASTM to ISO.
Stainless Steel 309S pipe fittings are high-temperature-resistant components known for their exceptional strength and oxidation resistance. Ideal for extreme heat environments, they are used in various industrial and aerospace applications.
SS 309S Butt Weld pipe fittings are high-temperature-resistant components used to join pipes through welding. Made from stainless steel 309S, they offer excellent strength, durability, and resistance to oxidation.
Stainless Steel 309S seamless fittings are high-temperature-resistant components without welds, offering superior strength, oxidation resistance, and durability. They are ideal for demanding industrial applications and extreme heat environments.
SS 309S cross pipe fittings are durable components that connect four pipes at a junction. Made from stainless steel 309S, they offer excellent heat resistance, strength, and corrosion durability.
Stainless Steel 309S tee fittings create a T-junction by connecting three pipes. Made from stainless steel 309S, they provide exceptional heat resistance, strength, and corrosion resistance for industrial applications.
Stainless Steel 309S Pipe Fittings find extensive applications in heat treatment plants, furnace components, boiler equipment, and power plants, thanks to their outstanding oxidation resistance and structural integrity at high temperatures. Their excellent weldability and resistance to scaling make them a top choice in the petrochemical, chemical processing, and refining industries. Additionally, these fittings are favored in thermal oxidizers, exhaust manifolds, and flue gas cleaning systems, where durability and corrosion resistance are paramount. The low carbon content ensures minimal carbide precipitation during welding, allowing for reliable performance in demanding environments.
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