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Alloy 309/309S - SS Weldability

Back To Weldability Alloys

By using fusion or resistance technique most of the austenitic Stainless Steels 309/ 309S can be quickly welded. Oxyacetylene welding is not suggested. Filler metal should be AWS E/ER Alloy 309 or 309L.

Applications
  • Heating elements
  • Aircraft and jet engine parts
  • Heat exchangers
  • Carburizing annealing products
  • Sulphite liquor handling equipment
  • Kiln liners
  • Boiler baffles
  • Refinery and chemical processing equipment
  • Auto exhaust parts


Chemical Composition %

GradeC Si P S CrMn Ni Fe
309 0.20 max 1.0 max 0.045 max 0.030 max 22.0-24.02.0 max12.0-15.0 Remainder
309S 0.08 max 1.0 max 0.045 max 0.030 max 22.0-24.02.0 max12.0-15.0 Remainder
Environment Environment Safety Safety CSR CSR
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