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Home > Stainless Steel > Stainless Steel 321/321H Heat Exchanger Tubing
Irfan Pipes and Tubes, based in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of Stainless Steel 321/321H Heat Exchanger Tubing. They provide top-notch tubing solutions for industries that demand outstanding performance in high temperatures and excellent corrosion resistance. With state-of-the-art manufacturing facilities and strict quality control measures, the company is dedicated to delivering tubing that guarantees durability, reliability, and long-lasting service in tough environments. This type of tubing is commonly found in the chemical, petrochemical, power generation, and aerospace sectors. Irfan Pipes and Tubes prides itself on timely deliveries and ensuring customer satisfaction, making them a trustworthy partner for essential industrial applications.
Stainless Steel 321/321H Heat Exchanger Tubing is an austenitic stainless steel alloy that contains about 17–19% chromium, 9–13% nickel, and is stabilized with titanium. The 321H variant has a higher carbon content, which enhances its strength at elevated temperatures. These alloys are known for their excellent resistance to intergranular corrosion, oxidation, and scaling, even under high temperatures. They also boast high tensile strength, good toughness, and dimensional stability, all while maintaining ductility and formability. The titanium stabilization not only improves weldability but also prevents sensitization during heating, making this tubing perfect for high-temperature, high-pressure, and corrosive environments.
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 Irfan 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 Irfan Pipes and Tubes for superior stainless steel products that enhance efficiency and longevity in heat exchange systems.
Irfan Pipes and Tubes, one of the largest suppliers of Stainless Steel 321/321H Heat Exchanger Tubing in Istanbul, Turkey, 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 Irfan Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@irfanpipes.com.
| 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 used in industries where corrosion resistance, high-temperature strength, and durability are essential. In chemical and petrochemical plants, it’s utilized in process heat exchangers, condensers, and reactors that are exposed to oxidizing and high-temperature media. The power generation sector employs it in boilers, superheaters, and heat transfer systems. Meanwhile, the aerospace and marine industries depend on this tubing for high-performance thermal equipment and exhaust systems.
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