Aluminum welding wire: 1.Products: ER4043,ER4047,ER1100,etc. 2.Diameter: 1 ... /4.0/4.8mm 3.Surface:smooth and clean Aluminum welding wire:1.Products: ER4043,ER4047,ER1100,etc.2.Diameter: ... 4.0/4.8mm3.Surface:smooth and cleanSpecifications:1.Aluminum and aluminum-alloy welding wire2.Festures:high quality,little spark, ... metalic welding material.Learn more, pls contact us freely. aluminum welding wire