- sales@rithavpipesandtubes.co.in
- Delhi, India
Home > Stainless Steel Tubing > Stainless Steel 321H Tubing
Rithav Pipes and Tubes is a well-respected manufacturer and supplier in India, known for its top-notch Stainless Steel 321H Tubing. This tubing is crafted for outstanding performance in high-temperature and corrosive settings. The 321H variant is a high-carbon version of stainless steel 321, enhanced with titanium to prevent intergranular corrosion after welding and during extended exposure to high heat. These tubes are perfect for use in heat exchangers, superheaters, petrochemical processing, and power generation plants. Rithav adheres to international standards like ASTM A213 / A269 / A312, ensuring that every length of tubing is precise, reliable, and consistent.
Stainless Steel 321H Tubing is composed of 17–19% chromium, 9–12% nickel, and a carbon content of at least 0.04–0.10%, with titanium added at five times the minimum carbon content. This composition boosts resistance to sensitization and helps maintain strength in high-temperature conditions. The tubing boasts a tensile strength of at least 515 MPa, a yield strength of at least 205 MPa, and an elongation of at least 35%. It performs admirably in oxidizing environments up to 900°C (1650°F) and retains excellent mechanical properties even under prolonged thermal exposure, making it a great choice for pressure-containing and structural high-heat applications.
Specifications : ASTM A312 / ASME SA312
Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size available Ex-stock
Thickness : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Size : 1/2″ NB – 24″ NB
Type : Seamless
Form: Round Pipes, Square Pipes, Rectangular Pipes.
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321H | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(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 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
By choosing Stainless Steel 321H Tubing from Rithav Pipes and Tubes, you are assured of superior quality and durability. These tubes provide outstanding corrosion resistance and strength, making them ideal for a wide range of industrial applications. Our dedication to excellent service and dependable delivery ensures customer satisfaction every time. With our expertise in stainless steel products, we deliver top-tier solutions customized to meet your specific requirements.
Rithav Pipes and Tubes, a leading supplier of Stainless Steel 321H Tubing in Delhi, India, provides a wide selection of premium pipes and tubes for diverse industrial applications. With a vast inventory and a strong focus on delivering outstanding service, they are the preferred choice for stainless steel products in the region.
At Rithav Pipes and Tubes, we provide custom sizes of Stainless Steel 321H Tubing to meet your exact specifications. Our dedicated team is here to offer tailored solutions for all your piping and tubing needs. For more information, feel free to reach out to us at sales@brydonpipesandtubes.co.uk.
Stainless Steel 321H Tubing finds its place in various industries, including refineries, thermal power stations, aerospace, chemical plants, and nuclear power systems. It’s particularly favored for heat exchangers, boiler tubes, steam pipes, and superheaters that operate under high pressure and temperature. Its resistance to weld decay, oxidation, and thermal fatigue makes it ideal for applications with fluctuating temperatures. In the petrochemical and pharmaceutical sectors, 321H tubing delivers reliable performance in environments that encounter organic acids, nitriding atmospheres, and chloride stress corrosion. With its long service life, strength, and corrosion resistance, it’s a trusted choice for demanding applications.
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