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Grade 310

Stainless Steel

Grade 310

Grade 310 is an austenitic heat-resisting stainless steel. It is noted for excellent resistance to scaling in continuous service up to 1150°C, and in intermittent heating/cooling conditions up to 1095°C.

This grade is highly resistant to oxidising acids and most common corrosive agents, and in marine conditions it shows little evidence of chloride stress corrosion cracking, outperforming lower alloy grades such as 304 and 316. In particular it has good resistance to hot corrosion in many environments including molten salts.

Related Specifications of Grade 310

  • 310S31
  • 310S24
  • S31000
  • BS970 PT1
  • ASTM A182
  • ASTM A276
  • 1.4841
  • X15CrNiSi25-21 (EU)
  • Z12CN15.20 (FR)

Nominal Composition of Grade 310

Fe rem, Cr 25%, Ni 20%

Mechanical Properties of Grade 310

Ultimate Tensile Strength (N/mm²) Proof Stress (N/mm²) Elongation (%) Hardness (HB)
510 205 40

Key Features of Grade 310

  • Oxidation resistance to 1150°C
  • Excellent corrosion resistance
  • High strength
  • Strength and toughness at sub-zero temperatures

Applications of Grade 310

Aerospace | Aircraft and jet engine components

Chemical processing | Chemical plant and equipment; fasteners for elevated temperature work, muffles, heat exchangers and components for high temperature sulphur-bearing environments

Other | Oven linings, boiler baffles, kilns, lead pots, radiant tubes, annealing covers, saggers, burners, combustion tubes, refractory anchor bolts, fire box sheets, furnace components and other high temperature containers

Columbia Metals – a leading supplier of Grade 310

With decades of experience and a huge range of stock, Columbia Metals is an industry leader in the supply of Grade 310 and other high quality specialist engineering alloys.

To buy or learn more about Grade 310 contact us now, or fill in the enquiry form on the right hand side and we will be in touch shortly.

Click here to download a Grade 310 data sheet.

  Related Specifications Mechanical Properties
Alloy Name BS UNS BS EN Others Ultimate Tensile Strength N/mm² Minimum Yield Strength N/mm² Elongation % Hardness HB  
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