CO2 Welding Wire Performance This product adapts advanced copper electroplating technology. The surface of welding wire is smooth and level and the copper layer is uniform and firm. Being adapted cisarrangement technique. it has excellent weld technology property and many advantages such as stable arc. small splashing, smooth and beautiful weld line, convenient to send welding wire and high work efficiency,etc. It is suitable for auto and semi-auto omniberaing weld.Welding wire chemical Composition(%)Trade mark \CompositionCMnSiSPNiMoCrCuER49-1≤0.111.80-2.100.65-0.95≤0.030≤0.030≤0.30----≤0.20≤0.50ER50-60.06-0.151.40-1.850.80-1.15≤0.035≤0.025----≤0.50