2 AWS
Filler Metal Specification A5.18 Carbon
Steel Electrodes for Gas Shielded Arc Welding ER-XX
S - X - HZ Optional
Hydrogen Designator Chemical
Composition, Wire Solid
Electrode or Rod
Weld Metal Tensile, ksi
AWS Filler Metal Specification A5.28
Low Alloy Steel Filler Metals for Gas
Shielded Arc Welding ER-XXX
S - XXX- HZ Optional
Hydrogen Designator Chemical
Composition, Wire Solid
Electrode or Rod
Weld Metal Tensile, ksi