... /4.0/4.8mm 3.Surface:smooth and clean Aluminum welding wire:1.Products: ER4043,ER4047,ER1100,etc.2.Diameter: 1. ... Surface:smooth and cleanSpecifications:1.Aluminum and aluminum-alloy welding wire2.Festures:high quality,little spark,perfect shape3.Diameter:1.2mm,1.4mm ... 8mmER1100: can be used in architeture,decoration,euqipment,pipe,spinning machine..ER4043: Can be used in bosting,ship,engine,chemical ...