Stainless Steel, AusteniticS34700 (347) Sheet

A stabilized stainless steel similar to type 304 with an addition of columbium and tantalum.

Columbium stabilizes this alloy making it immune to chromium carbide precipitation.

Alloy 347 is recommended for welded applications that can not tolerate a post anneal. The alloy can operate between 800-1600°F.

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Related Specifications

  • Grade 347 stainless steel
  • S34700
  • EN 1.4550


Chemical Composition


  • Header bars in heat exchangers
  • Aircraft exhaust parts
  • Expansion joints
  • Fasteners


  • Resistance to corrosion
  • Prevention of product contamination
  • Resistance to oxidation
  • East of fabrication
  • Excellent formability
  • Beauty of appearance
  • Ease of cleaning
  • High strength with low weight
  • Good strength and toughness at cryogenic temperatures
  • Ready availability of a wide range of product forms

Additional Information

Corrosion Resistance

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