... : 0.6mm ~ 2.0mm : 0.6,0.8,0.9,1.0,1.2,1.4,1.6,2.0mm Features:1. Our Copper coated solid gas ... ) : 0.6mm ~ 2.0mm : 0.6,0.8,0.9,1.0,1.2,1.4,1.6,2.0mm GB/T8110AWSChemical composition of welding ... 20≤0.50ER50-4ER70S-40.07-0.151.00-1.500.65-0.85≤0.035≤0.025≤0.50ER50-6ER70S ... -60.06-0.151.40-1.850.80-1.15≤0. ... 70≤0.025≤0.025≤0.201.20-1.500.40-0.65≤0.35ER62-B3ER90S-B30.07-0.120.40 ...