- sales@vipulpipesandtubes.co.in
- Chennai, india
Home > Stainless Steel > Stainless Steel 321/321H Heat Exchanger Tubing
Vipul Pipes and Tubes, based in Chennai, India, is a trusted manufacturer and supplier of premium piping solutions. We specialize in Stainless Steel 321/321H Heat Exchanger Tubing, known for its excellent corrosion resistance and superior strength at high temperatures. Engineered to perform under the most demanding industrial conditions, our 321/321H tubing delivers long-lasting reliability and efficiency in heat exchanger systems. Choose Brydon for high-performance piping solutions tailored to your precise requirements.
Stainless Steel 321/321H Heat Exchanger Tubing is an austenitic alloy primarily composed of iron, 18–20% chromium, 9–12% nickel, and titanium—added at levels five times the carbon content—to improve stability. This composition delivers outstanding mechanical performance, including high tensile strength (up to 758 MPa) and exceptional resistance to oxidation and corrosion at elevated temperatures. The presence of titanium makes the alloy particularly resistant to sensitization during welding, enhancing structural integrity. Key benefits include excellent weldability, resistance to intergranular corrosion, and sustained high-temperature strength. These properties make it an ideal choice for demanding applications in aerospace, chemical processing, and petrochemical industries where reliability and heat resistance are essential.
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 Vipul Pipes and Tubes ensures exceptional quality and reliability for your industrial needs. Crafted from premium-grade materials and manufactured to stringent industry standards, our tubing delivers long-lasting performance and durability. We provide tailored solutions to meet your exact specifications, supported by dedicated customer service and expert technical assistance. With a robust inventory and prompt delivery capabilities, we help ensure your projects stay on schedule. Rely on Vipul Pipes and Tubes for high-performance stainless steel products that boost the efficiency and longevity of your heat exchanger systems.
Vipul Pipes and Tubes stands as one of the leading suppliers of Stainless Steel 321/321H Heat Exchanger Tubing in Chennai, India. We offer a comprehensive selection of high-quality pipes and tubes designed to meet the diverse needs of industrial applications. Backed by a vast inventory and a strong commitment to customer satisfaction, Vipul Pipes and Tubes is the trusted choice for reliable and efficient stainless steel solutions across the region.
Yes, we offer custom sizes for Stainless Steel 321/321H Heat Exchanger Tubing to meet your specific requirements. Our team at Vipul Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@vipulpipesandtubes.co.in.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Stainless Steel 321/321H Heat Exchanger Tubing is extensively utilized across multiple industries for its outstanding resistance to high temperatures and corrosion. Key applications include heat exchangers, condensers, and boilers in the oil and gas, petrochemical, and power generation sectors. Its enhanced stability against oxidation and intergranular corrosion makes it well-suited for high-stress, high-temperature environments. The tubing is also widely used in chemical and food processing industries, where hygiene and material durability are essential. With its proven reliability and versatile performance, 321/321H tubing remains a preferred choice for critical thermal applications.
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