welding electrodes aws a 5.1 e6013 1,Model:AWS E6013,AWS E7018 2,Size:2.5*300mm ... 400mm,5.0*500mm 4,Good Price welding electrodes aws a 5.1 e6013Our welding wire has excellent mechanical performance, best quality ... and competitive price.Some of parameter as following:1,Model:AWS E6013,AWS E7018 2,Size:2.5*300mm ... must be conneted with the positive polarity. welding electrodes aws a 5.1 e6013