... 3.2/4.0/4.8mm 3.Surface:smooth and clean Aluminum welding wire:1.Products: ER4043,ER4047,ER1100,etc.2. ... 3.2/4.0/4.8mm3.Surface:smooth and cleanSpecifications:1.Aluminum and aluminum-alloy welding wire2.Festures:high quality,little spark,perfect ... AWS A5-105.Application:machinery,shipbuilding,boiler,pressure vessel,automobile,chemical equipment,steel structure and other fields.6.Common diameter Mig: 0 ...