... /4.0/4.8mm 3.Surface:smooth and clean Aluminum welding wire:1.Products: ER4043,ER4047,ER1100,etc.2.Diameter: 1 ... .8mm3.Surface:smooth and cleanSpecifications:1.Aluminum and aluminum-alloy welding wire2.Festures:high quality,little spark,perfect shape3.Diameter:1 ... ,container..ER4047: Can be used in welding or alloy production.ER5356: It's popular metalic welding material.Learn more, pls contact us ...