Aluminum tig welding settings
Nov 09, 2021 · This weld may be porous and unsuitable for liquid-or gas-tight joints. Metal-arc welding is, however, particularly suitable for heavy material and is used on plates up to 2-1/2 in. (63.5 mm) thick. Arc Welding Aluminum: current and polarity settings. The current and polarity settings will vary with each manufacturer’s type of electrodes.