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Vinit Stainless is a trusted manufacturer and supplier of SS 316H pipe fittings in Chennai, India, providing high-strength, high-temperature pipe fittings for demanding industrial processes. SS 316H is a high-carbon variant of 316, and it is produced to provide enhanced creep resistance and strength at high temperatures. Our products include elbows, reducers, tees, and end caps made to international standards. At Vinit Stainless, we blend top-grade raw materials with accurate engineering to make each fitting reliably perform in high-pressure and corrosive environments like refineries, boilers, and chemical processing facilities.
SS 316H is an austenitic stainless steel alloy containing 16–18% Chromium, 10–14% Nickel, 2–3% Molybdenum, and increased carbon content (0.04–0.10%) for better high-temperature strength. It possesses a tensile strength of 515–690 MPa and yield strength of 205 MPa. The higher carbon improves resistance to creep, and therefore the material is used at temperatures above 500°C. SS 316H has good corrosion resistance and excellent weldability, toughness, and ductility, particularly in high-heat processes where structural integrity is a priority.
| 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 316H | 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 316H pipe fittings are high-performance components with superior corrosion resistance and strength. Designed for high-temperature applications, they are ideal for chemical processing, marine environments, and industrial uses.
SS 316H Butt Weld pipe fittings are high-quality components used to join pipes through welding. Made from stainless steel 316H, they offer excellent corrosion resistance and strength in high-temperature environments.
SS 316H Socket Weld pipe fittings are durable components used to connect pipes via a socket weld. Made from stainless steel 316H, they provide excellent corrosion resistance and strength in harsh conditions.
Stainless Steel 316H seamless fittings are high-quality, weld-free components offering excellent corrosion resistance and strength. Ideal for high-temperature and harsh environments, they ensure durability and reliability in demanding applications.
SS 316H cross pipe fittings connect four pipes at a junction. Made from stainless steel 316H, they offer superior corrosion resistance and strength, suitable for high-temperature and harsh industrial environments.
Stainless Steel 316H tee fittings create T-junctions by connecting three pipes. Made from stainless steel 316H, they provide excellent corrosion resistance, strength, and durability, ideal for high-temperature and industrial applications.
The SS 316H pipe fittings are generally used in oil refineries, petrochemical plants, boilers, and heat exchanger systems requiring high pressure and temperature resistance. Due to their improved creep strength, they can be used for power generation pipes, furnace components, and steam piping. They are also well-suited for chemical processing units that are subjected to changing thermal conditions. In marine and offshore businesses, SS 316H fittings are used for structural piping subjected to heat and seawater. They are a long-term solution due to their corrosion resistance, weldability, and durability in aggressive and high-temperature applications.
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