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310S (S31008)


The following specifications cover Stainless Steel 310S

  • AMS 5521
  • AMS 5572
  • AMS 5577
  • AMS 5651
  • ASTM A167
  • ASTM A213
  • ASTM A240
  • ASTM A249
  • ASTM A276
  • ASTM A312
  • ASTM A314
  • ASTM A473
  • ASTM A479
  • ASTM A511
  • ASTM A554
  • ASTM A580
  • ASTM A813
  • ASTM A814
  • DIN 1.4845
  • QQ S763
  • UNS S31008

Property Results

Related Metals:

  • Cronifer 2520 nv(tm)


Chemistry Data : 

Carbon 0.08 max
Chromium 24 – 26
Iron Balance
Manganese 2 max
Nickel 19 – 22
Phosphorus 0.045 max
Silicon 1.5 max
Sulphur 0.03 max

Principal Design Features The strength of this alloy is a combination of good strength and corrosion resistance in temperatures up to 2100 F (1149 C). Due to its relatively high chromium and nickel content it is superior in most environments to 304 or 309 stainless.

Applications Oven linings, boiler baffles, fire box sheets, furnace components and other high temperature containers.

Machinability This alloy machines similarly to type 304 stainless. Its chips are stringy and it will work harden rapidly. It is necessary to keep the tool cutting at all times and use chip breakers.

Welding Most of the austenitic stainless steels can be readily welded using fusion or resistance methods. Oxyacetylene welding is not recommended. Filler metal should be AWS E/ER 310.

Hot Working Most common hot work methods can be successfully performed after uniform heating to 2150 F (1177 C). Do not forge below 1800 F (982 C). Rapid cooling is required to maximize corrosion resistance.

Cold Working Although this alloy has a high work hardening rate, it can be drawn, headed, upset, and stamped. Full annealing is required after cold work to remove internal stress.

Annealing 1900-2050 F (1038-1121 C) water quench.

Hardening This alloy does not respond to heat treatment. Cold work will cause an increase in both hardness and strength.

Physical Data : 

Density (lb / cu. in.) 0.29
Specific Gravity 7.9
Specific Heat (Btu/lb/Deg F – [32-212 Deg F]) 0.12
Electrical Resistivity (microhm-cm (at 68 Deg F)) 468
Melting Point (Deg F) 2650
Modulus of Elasticity Tension 30



Limitation of Liability and Disclaimer of Warranty: In no event will South Coast Industrial Metals or any of its affiliates be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. South Coast Industrial Metals, Inc. assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.