SS 310S Stainless Steel 2B Finish Sheets
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
310S 2B Finish Cold Rolled 310S Stainless Steel Sheets supplier
As a leading supplier in the stainless steel industry, GNEE provides premium-quality 310S 2B stainless steel sheets. All products are supplied with EN 10204 3.2 Material Test Certificates (MTC) and third-party inspection reports. We also offer free samples, technical support, and fast delivery services, supporting customers throughout every stage from material testing to large-scale production.

The surface of our 310S 2B stainless steel sheets is produced through cold rolling, annealing, and pickling processes, resulting in a smooth and uniform finish free from oxide scale residues. The surface roughness is controlled at Ra ≤ 1.6 μm, providing excellent cleanliness and appearance. Compared with standard mill-finished products, our sheets offer superior flatness and are carefully inspected to ensure they are free from scratches, roller marks, pickling residues, and other surface defects.
For dimensional accuracy, thickness tolerances are strictly controlled in accordance with ASTM standards. Actual thickness measurements are taken and recorded at multiple points across the sheet width. For example, a nominal 2.0 mm sheet is consistently maintained above 1.95 mm, with thickness tolerance typically controlled within ±0.05 mm. This ensures excellent thickness uniformity from edge to center, minimizing material waste during fabrication and processing.


Designed for elevated-temperature applications, 310S stainless steel exhibits outstanding oxidation resistance and structural stability in environments ranging from 800°C to 1100°C. The material can withstand continuous service temperatures of up to approximately 1100°C and intermittent temperatures exceeding 1035°C, making it ideal for furnace components, heat-treatment equipment, thermal processing systems, industrial burners, and other high-temperature applications.
Our ASTM A240 310S stainless steel sheets are available in thicknesses ranging from 0.3 mm to 6.0 mm, with thickness tolerances strictly maintained within ±0.05 mm. Standard lengths range from 1000 mm to 6000 mm, while custom cut-to-length services and coil supply options are also available. In addition, we provide value-added processing services, including laser cutting, polishing, and other customized fabrication solutions to meet specific project requirements.
Specification
| product name | 2B 310S Stainless Steel Sheet/ Plate |
| Technique | Cold Rolled/ Hot Rolled |
| Standard | ASTM, EN ,GB, etc. |
| Certification | BV, ISO, CE, SGS, etc. |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Delivery Time | within 7 days after deposit |
| MOQ | 1 Ton |
| Sample | We can provide it for free but not including sea freight |
| Payment terms | 30%T/T,L/C |
| Price Term | FOB, CFR, CIF, EXW |
Stainless Steel 310 Sheet Chemical Composition
| Grade | Carbon | Manganese | Silicon | Phosphorus | sulphur | Chromium | Molybdenum | Nickel | Nitrogen |
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 – 26.00 | 0.75 max | 19.00 – 21.00 | 53.095 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 % |
310 Stainless Steel Plate Imperial Dimensions
| Surface finish | Width (max inch) | Gauge (inch) |
|---|---|---|
| 2D – Cold rolled, pickled plate | 60 | 12 to 24 |
| 2B – Cold rolled, pickled | 72* | 10 to 24 |
| Polished plate | 60 | 11 to 24 |
| BA Mexinox only | 48 | 18 to 28 |
| Temper rolled, Mexinox only | 48 | 13 to 29 |
If you have specific requirements regarding the surface finish of 310S stainless steel plates, we welcome your orders. GNEE offers a wide variety of surface finishes for you to choose from; please contact our factory immediately to take advantage of our competitive pricing and exceptional service.
Click to Customize Surface Finish

ASTM A240 Type 310s Plate Weight Chart
| Size (mm) | Weight per plate (Kg) |
Size(mm) | Weight per plate (Kg) |
|---|---|---|---|
| 4000 x 2000 x 2.0 | 136.0 | 3000 x 1500 x 5.0 | 191.0 |
| 4000 x 2000 x 3.0 | 204.0 | 4000 x 2000 x 5.0 | 340.0 |
| 2500 x 1250 x 4.0 | 106.0 | 2500 x 1250 x 6.0 | 159.0 |
| 3000 x 1500 x 4.0 | 153.0 | 3000 x 1500 x 6.0 | 230.0 |
| 4000 x 2000 x 4.0 | 272.0 | 4000 x 2000 x 6.0 | 408.0 |
| 2500 x 1250 x 5.0 | 133.0 |
Click to view the tolerance ranges for ASTM A480 stainless and heat-resisting steel plates.
ASTM A480 PDF
310S 2B VS. NO.1 Stainless Steel Sheets
Compared to stainless steel sheets with a No. 1 surface finish, 310S 2B stainless steel sheets feature a smoother cold-rolled surface (roughness Ra ≤ 1.6 μm), exceptional flatness, and stricter thickness tolerances (with an accuracy of up to ±0.05 mm). While the No. 1 surface finish is often the preferred choice for heavy-duty and high-temperature applications, the 2B surface is better suited for projects involving precision machining, laser cutting, and automated welding.
ASME SA 240 Gr 310S Plate Price per kg
The price for ASME SA 240 Gr 310S (UNS S31008) stainless steel plate typically ranges between $8.00 to $15.00 per kg, or roughly $3.00 to $5.00 per kg when sourced directly from overseas mills in bulk (FOB) quantities.
310S Stainless Steel Plate Testing
PMI Testing (Positive Material Identification): Prior to shipment, every steel plate undergoes a 100% material verification check using a handheld spectrometer to ensure that nickel and chromium levels meet specified standards.
Hardness Testing: Conducted to ensure compliance with standards (typically HRB ≤ 95).
Thickness Tolerance: Measured using a precision micrometer to ensure compliance with ASTM A480 standard tolerances.


GNEE PACKAGING AND SHIPPING
Moisture Protection: Measures to prevent "salt mist corrosion" or water damage during sea transport.
Deformation Prevention: Ensuring the bottom wooden pallet is sufficiently sturdy to prevent steel strapping from damaging the edges or corners of the boards during hoisting operations.
Utilize reinforced outer packaging, extra-thick wooden pallets, protective corner guards wrapped around all sides, and a covering of waterproof woven fabric.


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