... 0.6,0.8,0.9,1.0,1.2,1.4,1.6,2.0mm Features:1. Our Copper coated solid gas ... .0mm : 0.6,0.8,0.9,1.0,1.2,1.4,1.6,2.0mm GB/T8110AWSChemical composition of welding ... wire(%), Include copper-coated layerCMnSiSPNiCrMoVCuER49-1≤0.111.00~2.100.05~0.95≤0 ... 0.50ER50-6ER70S-60.06-0.151.40-1.850.80-1.15≤0.035≤0.025≤0.50ER55- ... 0.60≤0.50ER69-1ER100S-1≤0.0801.25-1.800.20-0.50≤0.010≤0.0101.40-2.10 ...