347 Stainless Steel

Type 347 stainless steel is a columbium (niobium) stabilized 18-8 stainless steel with improved inter-granular corrosion resistance. Performs well in high temperature service and demonstrates excellent weldability in the field, but also may be susceptible to chloride stress cracking.

Specifications (typical, but not limited to):
  • AMS 5512
  • AMS 5571
  • AMS 5646
  • ASTM A276
Generally Available Forms:
  • Sheet
  • Plate
  • Bar
  • Tubing
  • Wire
  • Forging
  • Strip