Product Description

  • A 2-1/2 Cr / 1 Mo wire for submerged arc welding applications of steels with similar chemical composition.
  • A preheat and interpass temperature of not less than 350°F should be maintained during welding.
  • Sometimes referred to as 521.
  • Superior feedability
  • Certified Material Test Reports on all heats

Technical

Chemical Composition
C Mn Si Cr Mo P S
0.05-0.15 0.40-0.80 0.05-0.30 2.25-3.00 0.90-1.10 0.025 max 0.025 max
Cu
0.35 max
Mechanical Properties
Tensile Strength
MPa (ksi)
Yield Strength
MPs (ksi)
Elongation
%
AWS
Requirements
Not specified Not specified Not specified
Typical Results -
As welded
650 (95) 560 (81) 19