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ER347 is used for welding AISI types 304, 304L, 321 and 347 where maximum corrosion resistance is required. ER347 contains columbium which acts as a stabilizer against carbide precipitation thereby eliminating intergranular corrosion.

  • Wire Diameter: 0.045 in.
  • Alloy Type: ER347
  • Weight: 33 lb
  • AWS Specification: AWS A5.9 ER347

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