Aditya Stainless has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 321H Bars right here in Kolkata, India. With a strong focus on quality and expertise, we offer SS 321H Bars that meet international standards and specifications. Our selection features round bars, hex bars, square bars, and even custom sizes, all designed to cater to the diverse needs of various industries. Built to perform in high-temperature and high-pressure settings, our SS 321H Bars deliver outstanding performance, corrosion resistance, and long-lasting durability. Thanks to our advanced facilities and skilled team, Aditya Stainless has become a go-to name for Stainless Steel 321H Bars in Kolkata and beyond.
Stainless Steel 321H Bars are high-carbon austenitic stainless steels that are stabilized with Titanium. Their chemical makeup includes 17-19% Chromium, 9-12% Nickel, 0.04-0.10% Carbon (the high-carbon variant), and Titanium content that is at least five times the carbon percentage. These bars are known for their excellent resistance to intergranular corrosion and impressive high-temperature strength. Mechanical properties feature a minimum tensile strength of 515 MPa, a yield strength of at least 205 MPa, and an elongation of 40% in 50mm. With a density of 7.9 g/cm³ and good creep strength, SS 321H Bars are perfect for extended use in elevated temperature environments.
| Standard | ASTM A276 / A479, ASME SA276 / A479 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti | SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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At Aditya Stainless, Our stainless steel 321H poles undergo rigorous testing, including tensile, hardness and chemical analysis to ensure they meet international standards. Each product incorporates certifications such as ISO, ASTM, and mill test reports, providing reliability, durability and performance for a variety of industrial applications
Stainless Steel 321H Round Bars are designed for high-temperature applications, offering excellent oxidation resistance and mechanical strength. Ideal for use in aerospace, chemical processing, and high-temperature industrial components where durability and resistance to thermal degradation are crucial.
Stainless Steel 321H Flat Bars provide superior strength and resistance to high temperatures and oxidation. Suitable for manufacturing structural components, heat exchangers, and exhaust systems, these bars are used in industries where high performance under extreme conditions is required.
Stainless Steel 321H Square Bars are engineered for high-stress, high-temperature environments. They are commonly used in aerospace, petrochemical, and power generation industries for components such as reactor vessels, furnace parts, and structural supports due to their excellent thermal stability and strength.
Stainless Steel 321H Rectangular Bars offer high resistance to thermal and oxidation damage, making them suitable for high-temperature applications like furnace components, chemical processing equipment, and structural supports in demanding environments.
Stainless Steel 321H Hexagonal Bars provide exceptional strength and thermal stability, ideal for use in high-temperature applications such as gas turbines, exhaust systems, and chemical processing equipment. Their resistance to carbide precipitation ensures durability under extreme conditions.
Stainless Steel 321H T-Bars are utilized in high-temperature and high-stress environments, offering excellent strength and resistance to oxidation. They are commonly used in structural applications, including supports and frames in the aerospace, chemical processing, and energy sectors.
Stainless Steel 321H Bars find extensive use in industries that demand materials capable of withstanding high temperatures and corrosion. They are commonly found in heat exchangers, furnace components, exhaust systems, chemical processing equipment, and high-pressure boilers. In Kolkata, these bars are particularly favored in the oil & gas, power generation, petrochemical, and aerospace sectors due to their ability to resist oxidation and carburization at temperatures up to 900°C. Additionally, SS 321H Bars are utilized in refinery equipment, food processing facilities, and pharmaceutical machinery where both strength and hygiene are paramount. Their superior mechanical performance makes them a top choice for challenging structural applications.
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