Filler Alloy Selection. Although aluminum alloys can be welded autogenously (without the addition of a filler metal), the use of a filler metal is preferred to avoid weld cracking during welding and to optimize corrosion resistance.
Filler Alloy Selection. Although aluminumalloys can be welded autogenously (without theaddition of a filler metal), the use of a filler metalis preferred to avoid weld cracking during weldingand to optimize corrosion resistance.