... /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 ... .2mm,1.4mm,1.6mm4.Standards:GB/T8110-2008;AWS A5-105.Application:machinery,shipbuilding,boiler,pressure vessel,automobile,chemical ...