包括焊接用铝的准备、提示和故障排除、带氩保护的铝合金坡口和角焊缝的典型程序、焊接条件下铝填充金属的性能，以及一般用途焊接用填充金属的选择指南。

Covers preparation of aluminum for welding, tips and troubleshooting, typical procedures for groove and fillet welds in aluminum alloys with argon shielding, aluminum filler metal properties aswelded condition, and guide to selection of filler metal for generalpurpose welding.