310S Stainless Steel Knowledge

Feb 26, 2026

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Description

310S is a low-carbon, high-alloy austenitic stainless steel optimized for extreme high-temperature environments. It provides outstanding oxidation and creep resistance, superior to 309S.

Chemical Composition

C ≤ 0.08, Cr 24.0–26.0, Ni 19.0–22.0

Mechanical Properties

Tensile Strength ≥ 515 MPa, Yield Strength ≥ 205 MPa, Elongation ≥ 35%

Advantages

Excellent resistance to oxidation, carburization, and thermal fatigue. Much higher heat resistance than 304, 316, and 309S. Stable at temperatures above 1150°C (2102°F).

Applications

Boiler tubes, furnace chambers, radiant tubes, petrochemical high-temperature components.

Equivalent Grades

UNS S31008, EN 1.4845, GB 06Cr25Ni20

 

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

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Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.

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