Stainless Steel


S80 alloy is a high chromium-nickel corrosion-resistant martensitic stainless steel supplied as bright bar in the hardened and tempered condition. This grade is one of the most corrosion resistant grades of martensitic stainless steels, displaying excellent strength and toughness, resistance to stress corrosion and to oxidation up to 800°C.

Related Specifications of S80

  • BS 7S 80D
  • BS 970 PT3
  • 431S29
  • S43100
  • AMS5628
  • WGPS 480 REV1
  • RR 9000:SABRE
  • SQA 50
  • 1.4057
  • X17CrNi16-2

Nominal Composition of S80

Fe rem, Cr 16.5%, Ni 2.5%, Mn 0.3%, Si 0.25%, C 0.16% max

Mechanical Properties of S80

Ultimate Tensile Strength (N/mm²) Proof Stress (N/mm²) Elongation (%) Hardness (HB)
880-1080 690 12 255-321

Key Features of S80

  • High strength and toughness
  • Very high corrosion resistance
  • Resistance to oxidation up to 800°C

Applications of S80

Offshore & marine | High strength fasteners, bolts and shafts

Aerospace | Various aerospace components including high strength fasteners

Other | Compressor forms, dairies, machine tool industry, marine engineering, paper mills, plant engineering, starch mills and yeast factories

Columbia Metals – a leading supplier of S80

With decades of experience and a huge range of stock, Columbia Metals is an industry leader in the supply of S80 and other high quality specialist engineering alloys.

To buy or learn more about S80 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 S80 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  
Scroll to Top