Aditya Stainless stands out as a leading manufacturer and supplier of top-notch Stainless Steel 347H Bars in Kolkata, India. We take pride in providing high-performance SS 347H Bars that are specifically designed to meet the rigorous demands of critical industries. Renowned for their exceptional heat resistance and mechanical strength, our SS 347H Bars are crafted using cutting-edge technology and stringent quality control measures. Available in a variety of sizes, finishes, and specifications, they serve a wide range of industrial applications. With a solid reputation for reliability and excellence, Aditya Stainless is your go-to source for Stainless Steel 347H Bars in Kolkata and throughout India.
Stainless Steel 347H Bars are a stabilized austenitic chromium-nickel steel that incorporates Columbium (Niobium) to provide outstanding intergranular corrosion resistance. Typically, their composition features 17-20% Chromium, 9-13% Nickel, along with a minimum of 10x(C+N) for Columbium + Tantalum. They boast impressive high-temperature strength, with a minimum tensile strength of 515 MPa, a yield strength of at least 205 MPa, and an elongation of 40% over 50mm. With a density of 7.93 g/cm³, SS 347H is perfect for continuous service at temperatures reaching up to 900°C, making it ideal for high-temperature applications.
| Specifications | ASTM A276 / ASME SA276 |
| Dimensions | ASTM, ASME |
| Range | 3.17 MM TO 350 MM DIA |
| Diameter | 25mm to 152mm |
| Length | 1 to 6 Meters, Custom Cut Length |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging |
| Condition | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347H | min. | 0.04 | – | – | – | – | 17.0 | 3.00 | 9.0 | – |
| max. | 0.10 | 2.0 | 1.00 | 0.045 | 0.030 | 19.0 | 4.00 | 13.0 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 40 | 92 | 201 |
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At Aditya Stainless quality matters. Our Stainless Steel 347H Bars undergo rigorous testing, including tensile strength hardness, corrosion resistance tests so as to be in international standards. We have credible agencies certified thus we furnish material test certificates (MTCs) and third-party inspections. Ensuring reliability and unmatched performance in critical industrial applications.
Stainless Steel 347H Round Bars offer excellent corrosion resistance. Available in sizes ranging from 3mm to 200mm in diameter, these bars are ideal for applications in high-temperature environments due to their stability and durability.
These bars provide outstanding resistance to corrosion and oxidation. Stainless Steel 347H Flat Bars come in thicknesses from 1mm to 50mm and widths from 10mm to 500mm, making them suitable for a variety of industrial uses.
Stainless Steel 347H Square Bars are perfect for high-stress applications. Available in sizes from 5mm to 100mm, they combine excellent mechanical properties with superior resistance to intergranular corrosion.
These bars are highly resistant to corrosion and scaling. Stainless Steel 347H Rectangular Bars are available in thicknesses from 1mm to 50mm and widths from 10mm to 500mm, ideal for structural and mechanical applications.
Stainless Steel 347H Hexagonal Bars offer excellent resistance to high temperatures and corrosion. Available in sizes ranging from 6mm to 75mm, they are widely used in the manufacturing of fasteners and other high-strength components.
These corrosion-resistant bars are available in a range of sizes. Stainless Steel 347H T-Bars provide excellent mechanical strength and are ideal for structural applications requiring high resistance to oxidation and corrosion.
Stainless Steel 347H Bars find extensive use in industries that demand high-temperature performance and resistance to sensitization. They are commonly utilized in heat exchangers, boiler tubes, furnace components, chemical processing equipment, and exhaust manifolds. In Kolkata’s industrial landscape, SS 347H Bars are prized for their ability to maintain strength and stability under thermal stress. They also play a crucial role in petroleum refining, power generation, aerospace, and food processing sectors. Their excellent weldability and durability make them perfect for fabrication in piping systems and pressure vessels that operate under extreme conditions.
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