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Harsh Metalloys is a prominent Stainless Steel 347H pipe manufacturer and supplier, headquartered in Mumbai, India. The company specializes in delivering high-performing piping solutions and prides itself on making products that can withstand the intense demands of high-temperature and corrosive conditions. Harsh Metalloys’ Stainless Steel 347H pipes are designed for greater durability, strength, and resistance to intergranular corrosion, especially in high-heat applications. With a strong reliance on advanced technology, skilled professionals, and strict standards of quality, Harsh Metalloys supplies its wide clientele throughout India and global markets with dependable, precision-fabricated stainless steel products meeting diverse industrial applications.
Harsh Metalloys stainless steel 347H pipes produced in Mumbai, India, consist mainly of chromium (17–19%), nickel (9–13%), and stabilization added columbium (niobium), with higher carbon content than 347 for enhanced high-temperature strength. These austenitic stainless steel tubes exhibit great resistance to intergranular corrosion and oxidation at high temperatures. They are mechanically strong, with a tensile strength of about 515 MPa and a yield strength of about 205 MPa, as well as good creep resistance. Harsh Metalloys has every tube meet high industry standards, providing reliable performance in harsh thermal and pressure conditions.
| 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 pipes made by Harsh Metalloys in Mumbai, India, are extensively applied in industries demanding superior performance in high-temperature and corrosive environments. The most common uses are heat exchangers, boiler tubes, furnace parts, and superheater tubes in power plants and petrochemical plants. It is also utilized in aerospace, refineries, and chemical processing plants where intergranular corrosion resistance and creep strength are paramount. These pipes are best suited for high-stress conditions, particularly where there is frequent temperature variation. Harsh Metalloys provides SS 347H pipes that guarantee strength, durability, and reliability in the toughest industrial conditions.
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