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409Cb

UNS #S40940

409Cb is a stabilized ferritic stainless steel with 11.0% chromium resistant to mild atmosphere but nonhardenable by heat treatment. The alloy can be cold formed and welded.

Type Analysis

  • Carbon (Maximum) 0.06
  • Phosphorus (Maximum) 0.045
  • Silicon (Maximum) 1
  • Nickel (Nominal) 0.5
  • Manganese (Maximum) 1
  • Sulfur (Maximum) 0.04
  • Chromium (Nominal) 10.50-11.75
  • Iron (Nominal) Balance
  • Columbium/Niobium 10 X C Minimum/0.75%

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Applications

Applicable Specifications

  • ASTM A493
  • ASTM A959
  • ASTM A5801

Bar

Rounds

Wire

Rod

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