Home > Pipe Fittings > Stainless Steel 253MA Pipe Fittings
Harsh Metalloys stands out as a reputable manufacturer and supplier of Stainless Steel 253MA Pipe Fittings, located in Mumbai, India. The 253MA (UNS S30815) is a high-temperature austenitic stainless steel known for its remarkable oxidation resistance, impressive strength, and long-lasting performance in high-temperature settings. Harsh Metalloys provides a wide array of fittings, including elbows, tees, reducers, crosses, stub ends, and caps, all crafted in accordance with standards like ASTM A403 and ASME B16.9. These fittings are commonly utilized in furnaces, heat exchangers, power plants, and the petrochemical sector, ensuring dependable performance even in harsh thermal and corrosive conditions.
Stainless Steel 253MA Pipe Fittings are composed of 20–22% chromium and 10–12% nickel, with carefully controlled amounts of cerium (~0.05%) and nitrogen (~0.15%) added to enhance oxidation resistance and creep strength. These fittings boast a tensile strength of about 600 MPa, a yield strength of roughly 310 MPa, and an elongation of up to 40%. They excel in oxidation resistance up to 1150°C (2100°F) and show exceptional resilience against thermal fatigue, carburization, and sulfur attack, making them perfect for prolonged high-temperature applications. Their mechanical and thermal stability is truly unparalleled among standard stainless steel grades.
| 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 253MA | 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 conducts rigorous testing of stainless steel 253MA pipe fittings to ensure top notch quality and performance. Each fitting is examined extensively, including chemical composition, mechanical testing and dimensional verification. The company provides important certifications such as material testing certificates (MTCs), which ensure compliance with industry standards and customer specifications.
Stainless Steel 253MA pipe fittings are high-temperature, corrosion-resistant components designed for extreme environments. They offer durability and strength, making them ideal for power generation and furnace applications.
SS 253MA 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 253MA socket weld pipe fittings are high-temperature, corrosion-resistant components that provide secure, leak-proof connections. They are ideal for high-pressure applications, ensuring durability and reliability in extreme conditions.
Stainless Steel 253MA seamless fittings are high-strength, corrosion-resistant components crafted without joints. They offer robust, leak-proof connections in extreme temperatures and harsh environments, ensuring durability and long-term performance.
SS 253MA cross pipe fittings are high-temperature, corrosion-resistant components designed to connect four pipes at a central junction. They ensure strong, reliable connections in extreme heat and demanding environments.
Stainless Steel 253MA tee fittings connect three pipes at a right angle, offering high-temperature and corrosion resistance. They are designed for durability and reliable performance in extreme heat and harsh conditions.
Stainless Steel 253MA Pipe Fittings are mainly designed for high-temperature settings, like industrial furnaces, heat treatment gear, recuperators, flue gas systems, and boiler parts. Thanks to their impressive resistance to oxidation, scaling, and thermal fatigue, they shine in power generation, cement production, metallurgical processing, and petrochemical refining. You’ll also find these fittings in combustion chambers, kilns, and incinerators, where high temperatures and harsh conditions are the norm. The durable characteristics of 253MA guarantee a long service life, less maintenance, and reliable performance even in extreme environments, particularly where heat resistance and structural integrity are essential.
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