Aluminum welding wire: 1.Products: ER4043,ER4047,ER1100,etc. 2.Diameter: 1.6/ ... /3.2/4.0/4.8mm 3.Surface:smooth and clean Aluminum welding wire:1.Products: ER4043,ER4047,ER1100,etc.2.Diameter ... .0/2.4/3.2/4.0/4.8mm3.Surface:smooth and cleanSpecifications:1.Aluminum and aluminum-alloy welding wire2.Festures ... welding material.Learn more, pls contact us freely. aluminum welding wire