ER90S3-B3
PN: 90SB350




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ER90S-B3 (GTAW) TIG

Description: Low Alloy Steel

For welding 2-1/4” Cr - 1 Mo Steels used for high pressure piping and pressure vessels; also used for joining dissimilar combinations of Cr-Mo and carbon steels.

Welding
  • Procedure:
    • DC- straight polarity
    • Shielding gas - Argon
    • Tungsten - 2% Thoriated
    Part NumberSize
    90SB3F8.035” 33# Spool
    90SB3H8.045” 33# Spool
    90SB3503/32” x 36” - 10# Box
    90SB3601/8” x 36” - 10# Box
    Click Part Number to view its Typical Certificate
  • MSDSWelding ParametersSpec Sheet