... 4.0/4.8mm 3.Surface:smooth and clean Aluminum welding wire:1.Products: ER4043,ER4047,ER1100,etc.2.Diameter: 1 ... 105.Application:machinery,shipbuilding,boiler,pressure vessel,automobile,chemical equipment,steel structure and other fields.6.Common diameter Mig: 0 ... be used in welding or alloy production.ER5356: It's popular metalic welding material.Learn more, pls contact us freely. aluminum welding wire