The difference between ER70S-6 and other welding wires of ER70S series These welding consumables can weld carbon steel and 500Mpa low alloy steel. Is there any difference between ER70S-6 and ER70S-2, ER70S-3, ER70S-4, ER70S-6, ER70S-7?   Chemical composition comparison:ER70S-6 vs ER70S Series Except for the ER70S-2 welding wire, the main differences of the other welding […]