Mig Welding Wire AWS Classification ER90S-B3 Material Low-Alloy Steel Process MIG Welding (GMAW) Wire Diameter 0.035 in Tensile Strength (As Welded) 90 ksi Yield Strength (Minimum Required) 78 ksi Yield Strength (As Welded) 78 ksi Spool Type Plastic Spool Series ER90S-B3 Weight 33 lb For Material Type Low-Alloy Steel to Low-Alloy Steel