... .0.8mm-1.6mm ER70S-6 CO2 Mig welding wire 2.it has high quality ... for our own brand. Our company mainly produce CO2 welding wire ER70S-6 Specifications 1) Stable electric arc ... 1kg,5kg,15kg,18kg,20kg chemical composition of welding wire(%)CMnSiPSCrNiCu0.06~0.151.40~1. ... building , construction machine , railway construction , pressure vessel for semi-auto or automatic gas shielded welding. TEL:+86- ...