ASTM A240 310S Stainless Steel Cold Rolled Sheet
Certification: ISO, RoHS, IBR
Surface treatment: 2b, Ba, No.1, No.4, Hl, 8K, etc.
Process: hot rolling, cold rolling
Thickness: 0.1mm-300mm or as required
Width: 3mm-2000mm or as required
Delivery time: 7-15 days
Payment: FOB/CIF/CFR
Transportation packaging: waterproof paper and steel belt packaging.
Specifications: customized
Capacity: 8000 tons/year
310S stainless steel sheet supplier
As a specialized supplier of ASTM A240 310S cold-rolled steel, GNEE offers a full range of products that comply with international standards and support customization and special surface treatments. Certified by third-party organizations such as SGS and BV, GNEE's products are widely used in international projects, including Saudi Aramco's oil refining and chemical projects and European nuclear power equipment manufacturing.
Advantages
ASTM A240 310S Stainless Steel Plate strictly conforms to the ASTM A240/A240M-24 standard, making it suitable for pressure vessels, high-temperature equipment, and general industrial applications. It offers excellent mechanical properties with a tensile strength of ≥515 MPa, yield strength of ≥205 MPa, elongation of ≥35%, and a maximum hardness of ≤187 HB. The plate can withstand continuous service temperatures up to 1150°C, and short-term exposure to temperatures as high as 1200°C, offering superior performance over conventional stainless steels.
Our 310S cold rolled stainless steel plates feature high thickness precision, typically ranging from 0.3 to 6.0 mm with 2B finish and tolerance of ±0.05 mm. Surface finishes available include 2B, BA, mirror polish, and matte polish to meet diverse application requirements.



Specification
Standard: ASTM A240 / ASME SA240
Material Grade: 310S / UNS S31008 / EN 1.4845
Thickness Range: 0.3mm – 6.0mm
Width Range: Up to 1500mm
Surface Finish: 2B, BA, No.4, HL, mirror polish (customizable)
Edge: Slit or mill edge
Certification: EN 10204 3.1/3.2 available
Stainless Steel 310 Sheet Chemical Composition
| Grade | Carbon | Manganese | Silicon | Phosphorus | sulphur | Chromium | Molybdenum | Nickel | Nitrogen |
| SS 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | 54.7 min |
Mechanical Properties of 310 Stainless Steel Plate
| Density | Yield Strength (0.2%Offset) | Tensile Strength | Melting Point | Elongation |
| 7.9 g/cm3 | Psi – 30000 , MPa – 205 | Psi – 75000 , MPa – 515 | 1402 °C (2555 °F) | 40 % |
GNEE is a leading supplier and stockist of ASTM A240 310S cold-rolled stainless steel plates in China, with over 18 years of export experience. Whether you require a small quantity or bulk supply, GNEE has the inventory and expertise to meet your project needs. Contact us today for a free quote or samples.
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