- sales@blundellpipes.co.nz
- Hamilton, New Zealand
Home > Stainless Steel Tubing > Stainless Steel 321 Tubing
Blundell Pipes is a well-established manufacturer and supplier of Stainless Steel 321 Tubing, having its presence in Hamilton, New Zealand, providing high-quality solutions in tubing for high-temperature and corrosive applications. Recognized for precision engineering, international standards compliance, and trustworthy customer support, Blundell Pipes provides Stainless Steel 321 Tubing that functions outstandingly under thermal cycling and oxidizing atmospheres. Operating in diversified sectors such as aerospace, chemical processing, power generation, and oil and gas, the company supplies standard as well as bespoke tubing throughout the Middle East and worldwide markets.
Stainless Steel 321 Tubing is a titanium-stabilized austenitic stainless steel alloy with 17–19% chromium, 9–12% nickel, and titanium to hinder intergranular corrosion due to carbide precipitation upon welding or exposure to high temperatures. The tubing provides a tensile strength range of 515–750 MPa and a yield strength of about 205 MPa. It shows exceptional oxidation resistance and strength of the structure at temperatures up to 870°C. 321 Stainless Steel has the structural integrity in high-heat environments and is characterized by its excellent weldability and formability under pressure.
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 Blundell 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.
Blundell Pipes and Tubes, a leading supplier of Stainless Steel 321 Tubing in Hamilton, New Zealand, 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 Blundell 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.
321 Stainless Steel Tubing finds extensive application in high-temperature applications such as heat exchangers, aircraft exhaust systems, furnace components, superheater tubes, and expansion joints. It finds extensive use in petrochemical and refinery equipment where the long-term performance under continuous heat and pressure is necessary. The titanium stabilization provides resistance to intergranular attack following welding and is thus suitable for application in welded parts. Stainless Steel 321 Tubing offers a reliable, corrosion-resistant solution for thermal processing equipment and structure applications subject to cyclical temperatures and oxidizing atmospheres.
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