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Stainless Steel Alloy 309/309S

Special Alloys > Stainless Steel Alloy 309/309S

General Properties

Stainless Steel Alloy 309 and 309S are stainless steels made of chromium and nickel. It is generally used for higher temperature applications. Chromium and Nickel make it highly corrosion resistant and also excellent resistance to oxidation effects. The vital difference between 309 and 309S is their carbon content. Alloy 309S ahs lesser carbon than 309 and this is why it minimizes the rate of carbide precipitation and enhances weldability.


  • Kiln liners
  • Boiler baffles
  • Auto exhaust parts
  • Heating elements
  • Aircraft and jet engine parts
  • Heat exchangers
  • Carburizing annealing products
  • Sulfite liquor handling equipment

We supplies Stainless Steel Alloy 309 and 309S in a wide range of forms and sizes for instance bars and sheets.  Our alloy products meet all standards of different industries where stainless steel is employed like ASTM, UNS, DIN, and EN.

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