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Home > Stainless Steel Tubing > Stainless Steel 321 Tubing
Vipul Pipes and Tubes is a well-known manufacturer and supplier of Stainless Steel 321 Tubing in Chennai, India, offering reliable tubing solutions for applications with heat resistance and corrosion sensitivity. Stainless Steel 321 is titanium-stabilized austenitic stainless steel with exceptional resistance to intergranular corrosion, particularly subsequent to welding. It maintains mechanical strength and oxidation resistance at high temperatures, which is ideal for high-temperature conditions. Vipul Pipes and Tubes offers precise manufacturing following international standards, providing SS 321 tubing to various industries such as petrochemical, aerospace, thermal processing, and power generation industries.
SS 321 stainless steel has a composition of 17–19% chromium, 9–12% nickel, and titanium (≥5xC%). It possesses tensile strength of 515–750 MPa, yield strength of ≥205 MPa, and elongation of ≥35%. This tubing has superior creep resistance, resistance to oxidation, and thermal stability up to 870°C. Its weldability and resistance to intergranular corrosion after high temperature exposure are enhanced with the addition of titanium. SS 321 tubing offers a fusion of mechanical strength and long-term toughness, even under harsh high thermal and pressure exposure.
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 321 | 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 321 Tubing from Vipul 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.
Vipul Pipes and Tubes, a leading supplier of Stainless Steel 321 Tubing in Chennai, 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 Vipul Pipes and Tubes, we provide custom sizes of Stainless Steel 321 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 321 Tubing is also used extensively in high-temperature conditions like exhaust systems, heat exchangers, furnaces, and boiler tubes. It finds application in aircraft engines, chemical process equipment, and petrochemical refineries where resistance to thermal cycling and oxidation is necessary. The tubing is also excellent for pressure vessels and piping systems that need to be resistant to intergranular corrosion following welding. In pharmaceutical, food processing, and thermal power applications, SS 321 tubing supports safe operation under varying heat and pressure levels. Its high stability ensures it is a top choice for long-term industrial service.
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