- sales@blundellpipes.co.nz
- Hamilton, New Zealand
Home > Stainless Steel > Stainless Steel 321/321H Heat Exchanger Tubing
Blundell Pipes and Tubes, a reputable manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality Stainless Steel 321/321H Heat Exchanger Tubing, crafted for outstanding performance in high-temperature and corrosive settings. Using advanced seamless and precision manufacturing techniques, this tubing guarantees uniform wall thickness, a superb surface finish, and consistent mechanical properties. Renowned for its remarkable resistance to oxidation and intergranular corrosion, the Stainless Steel 321/321H Heat Exchanger Tubing from Blundell Pipes and Tubes is a go-to choice for critical applications where thermal stability, durability, and long-lasting reliability are a must.
This tubing is made from austenitic stainless steel that’s stabilized with titanium to avoid carbide precipitation during welding and high-temperature use. The 321H variant features a higher carbon content for improved strength at elevated temperatures. Its chemical makeup, rich in chromium and nickel, ensures excellent resistance to oxidation, scaling, and intergranular corrosion. On the mechanical side, the tubing boasts good tensile and yield strength, impressive ductility, strong creep resistance at high temperatures, and dependable impact toughness, making it perfect for continuous high-heat operations.
Range : 10 mm OD to 50.8 mm OD
Outer Diameter : 6.00 mm to 101.60 mm
Wall Thickness : 0.70 mm to 8.00 mm
Length : up to 20 m (65.62 ft) Length & Customed Required Length
Specifications : ASTM A 213, A 268, A 269, A 789, Equivalent to ASME, EN, JIS Etc.
| Element | SS 321 | SS 321H |
| C | 0.08 max | 0.04 – 0.10 |
| Mn | 2.0 max | 2.0 max |
| Si | 1.0 max | 1.0 max |
| P | 0.045 max | 0.045 max |
| S | 0.030 max | 0.030 max |
| Cr | 17.00 – 19.00 | 17.00 – 19.00 |
| N | 0.10 max | 0.10 max |
| Ni | 9.00 – 12.00 | 9.00 – 12.00 |
| Ti | 5(C+N) – 0.70 max | 4(C+N) – 0.70 max |
| Element | SS 321/321H |
| Density | 8.0 g/cm3 |
| Melting Point | 1457 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 321/321H Heat Exchanger Tubing from Blundell Pipes and Tubes ensures high quality and reliability for your industrial applications. Our tubing is manufactured using premium-grade materials, adhering to strict industry standards, which guarantees durability and performance. We offer customized solutions to meet specific requirements, backed by exceptional customer service and technical support. With our extensive inventory and prompt delivery, you can count on us for timely project execution. Trust Blundell Pipes and Tubes for superior stainless steel products that enhance efficiency and longevity in heat exchange systems.
Blundell Pipes and Tubes, one of the largest suppliers of Stainless Steel 321/321H Heat Exchanger Tubing in Hamilton, New Zealand, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel 321/321H Heat Exchanger Tubing to meet your specific requirements. Our team at Blundell Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@blundellpipes.co.nz.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
You’ll find Stainless Steel 321/321H Heat Exchanger Tubing widely utilized in chemical and petrochemical plants, oil and gas refineries, and power generation facilities where heat transfer efficiency and thermal stability are crucial. It’s commonly used in heat exchangers, condensers, boilers, and furnace components. Additionally, this tubing is well-suited for marine and offshore applications, thermal processing systems, and other high-temperature industrial uses. With its long service life, low maintenance needs, and excellent resistance to thermal and chemical stress, it’s an ideal choice for demanding heat exchanger systems.
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