Home > Pipe Fittings > Stainless Steel 347H Pipe Fittings
Aditya Stainless stands out as a top manufacturer and supplier of Stainless Steel 347H Pipe Fittings in Kolkata, India. We pride ourselves on delivering high-quality piping components that are specifically designed for high-temperature and corrosive environments. SS 347H is a high-carbon, niobium-stabilized austenitic stainless steel, known for its impressive creep strength and resistance to intergranular corrosion. Our selection of pipe fittings includes elbows, tees, reducers, crosses, and caps, all produced in line with international standards like ASTM A403 and ASME B16.9. These fittings find extensive use in industries such as power generation, petrochemical, chemical processing, and aerospace, where exceptional mechanical properties and temperature resistance are crucial.
Stainless Steel 347H Pipe Fittings are composed of about 17–20% chromium, 9–13% nickel, and are stabilized with niobium (columbium). The higher carbon content (up to 0.10%) in 347H boosts its strength at elevated temperatures. These fittings showcase a minimum tensile strength of 515 MPa, yield strength of 205 MPa, and an elongation of 35%. They excel in resisting oxidation, creep, and intergranular corrosion, particularly after welding. The niobium stabilization helps prevent carbide precipitation, ensuring that they perform reliably in high-temperature and corrosive settings.
| 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 347H | 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 ensures the very high standards with respect to quality in Stainless Steel 347H Pipe Fittings with rigorous tests and certifications. All products are given comprehensive inspection tests, including dimensional checks, mechanical tests, and corrosion resistance tests, and we provide relevant MTCs in order to ensure strict adherences to international standards and client requirements.
Stainless Steel 347H pipe fittings are high-temperature-resistant components made from stainless steel 347H, offering excellent strength, oxidation resistance, and durability, ideal for demanding industrial and aerospace applications.
SS Butt Weld 347H pipe fittings are high-temperature-resistant components used to join pipes through welding. Made from stainless steel 347H, they provide strength, durability, and corrosion resistance in extreme environments.
SS 347H Socket Weld pipe fittings are high-temperature components used to connect pipes via a socket weld. Made from stainless steel 347H, they offer excellent strength, corrosion resistance, and durability.
Stainless Steel 347H seamless fittings are high-temperature-resistant components with no welds, providing superior strength, durability, and corrosion resistance, ideal for demanding industrial and aerospace applications.
SS 347H cross pipe fittings are high-temperature-resistant components that connect four pipes at a junction. Made from stainless steel 347H, they offer strength, durability, and resistance to oxidation and corrosion.
Stainless Steel 347H tee fittings are high-temperature-resistant components that create a T-junction, connecting three pipes. Made from stainless steel 347H, they provide strength, durability, and resistance to oxidation and corrosion.
Stainless Steel 347H Pipe Fittings are commonly utilized in scenarios that demand high-temperature strength, oxidation resistance, and corrosion resistance. You’ll find them in refineries, chemical plants, aerospace applications, thermal power plants, and steam piping systems. Their ability to endure thermal cycling and stress rupture makes them perfect for boiler systems, heat exchangers, superheaters, and reactor vessels. SS 347H is especially well-suited for situations involving frequent temperature changes and where welding is necessary without sacrificing corrosion resistance. These fittings guarantee leak-free performance, making them a trusted choice in demanding applications.
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