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  • 310S Stainless Steel Coil

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310S Stainless Steel Coil
310S stainless steel coil is a high-alloy austenitic chromium-nickel steel supplied in continuous coil form. Its key characteristic is the high chromium and nickel content, which provides outstanding oxidation resistance and strength at elevated temperatures. The coil form facilitates efficient production of high-temperature components through continuous processing.
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Add：Keda Xunfei Weilaigang Building, No. 1 Jiangshan South Road, Huangdao District, Qingdao City, Shandong Province
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◉ PRODUCT SPECIFICATION


1. Standard Designations


  • UNS: S31008

  • ASTM: A240/A240M

  • EURONORM: 1.4845

  • JIS: SUS 310S

  • GB/T: 06Cr25Ni20


2. Chemical Composition (% by weight)


Element

C

Si

Mn

P

S

Cr

Ni

Min

-

-

-

-

-

24.0

19.0

Max

0.08

1.50

2.00

0.045

0.030

26.0

22.0


3. Mechanical Properties (Annealed Condition)


Property

Yield Strength

Tensile Strength

Elongation

Hardness

Value

≥205 MPa

≥515 MPa

≥40%

≤210 HB


4. High-Temperature Properties


  • Maximum Service Temperature: 1150°C (2100°F) in air

  • Oxidation Resistance: Excellent due to high chromium content

  • Creep Strength: Good resistance to deformation under stress at high temperatures


5. Physical Properties


Property

Value

Density

7.98 g/cm³

Melting Range

1400-1450°C

Thermal Conductivity

14.2 W/m·K (100°C)

Thermal Expansion

15.9 × 10⁻⁶/K (20-100°C)


6. Available Product Range (Coil)


Parameter

Specification

Thickness

0.5mm - 6.0mm

Width

600mm - 2000mm

Coil ID

508mm / 610mm

Coil OD

1000mm - 1500mm

Condition

Solution Annealed


7. Surface Finishes


  • 2B: Standard smooth matte finish

  • BA: Bright annealed mirror-like finish

  • No. 1: Hot-rolled, annealed & pickled


8. Typical Applications


  • Furnace components

  • Heat treatment fixtures

  • Radiant tubes

  • Kiln parts

  • Heat exchanger components

◉ Surfcae selection

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SURFACE CHARACTERISTIC SUMMARY OF MANUFACTURING METHOD APPLICATION
NO.1 Silvery white Hot rolled to specified thickness Do not need to have a glossy surface use
lackluster
NO.2D Silvery white After cold rolling, heat treatment and pickling are carried out General material, deep material
NO.2B Gloss is stronger than No.2D After No.2D treatment, the final light cold rolling is carried out through the polishing roller The general material
BA As bright as a sixpence No standard, but usually a bright annealed surface with high reflectivity. Building materials, kitchen utensils
NO.3 Rough lapping Grind with 100~200# (unit) strop tape Building materials, kitchen utensils
NO.4 Intermediate grinding Polished surface obtained by grinding with 150~180# strop abrasive tape Building materials, kitchen utensils
NO.240 Fine lapping Grinding with 240# strop abrasive tape kitchenware
NO.320 Very fine grinding Grinding was carried out with 320# strop abrasive tape kitchenware
NO.400 The luster is close to BA Use 400# polishing wheel to grind General timber, building timber, kitchen appliances
HL Hairline grinding Suitable particle material for hair stripe grinding (150~240#) with many grains Building, construction material
NO.7 It's close to mirror grinding Use a 600# rotary polishing wheel to grind For art or decoration
NO.8 Mirror ultrafinish The mirror is ground with a polishing wheel Reflector, for decoration

◉ PRODUCTION AND WAREHOUSING

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Keda Xunfei Weilaigang Building, No. 1 Jiangshan South Road, Huangdao District, Qingdao City, Shandong Province