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Home > Stainless Steel Tubing > Stainless Steel 321H Tubing
Samia Pipes and Tubes, based in Tunis, Tunisia, is a trusted manufacturer and supplier of premium industrial pipes and tubes. Among our high-performance offerings is Stainless Steel 321H Tubing, specifically engineered for excellent high-temperature strength, corrosion resistance, and long-term durability. This austenitic stainless steel tubing is ideal for demanding industrial applications where reliability and safety are critical. At Samia Pipes and Tubes, we focus on delivering more than materials—we provide tailored solutions that help industries operate efficiently and confidently. Every Stainless Steel 321H Tube reflects our dedication to precision, quality, and enduring performance.
Stainless Steel 321H Tubing is an austenitic stainless steel alloy containing 17–19% chromium, 9–12% nickel, and titanium additions to prevent carbide precipitation at elevated temperatures. This composition ensures excellent high-temperature corrosion resistance and mechanical strength. It typically offers a tensile strength of 515–750 MPa and a yield strength of 205–450 MPa, with a density of approximately 8.0 g/cm³. Stainless Steel 321H Tubing maintains its structural integrity, oxidation resistance, and durability under prolonged high-temperature service, making it ideal for critical industrial applications requiring long-term performance.
Specifications :Â 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 :Â Seamless
Form:Â Round Pipes, Square Pipes, Rectangular Pipes.
Length :Â Single Random, Double Random & Required Length
End :Â Plain End, Beveled End, Treaded
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321H | 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 321H Tubing from Samia 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.
Samia Pipes and Tubes, a leading supplier of Stainless Steel 321H Tubing in Tunis, Tunisia, 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 Samia Pipes and Tubes, we provide custom sizes of Stainless Steel 321H 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 321H Tubing is widely used in industries where high-temperature performance and corrosion resistance are essential. It is ideal for boilers, heat exchangers, superheaters, and piping systems in power plants. In chemical and petrochemical industries, it reliably handles aggressive fluids at elevated temperatures. The tubing is also used in exhaust systems, furnace components, aerospace, and food processing equipment where thermal stability and corrosion resistance are critical. With its combination of durability, strength, and heat resistance, Stainless Steel 321H Tubing from Samia Pipes and Tubes provides long-lasting, low-maintenance, and high-performance solutions for demanding industrial and commercial applications.
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