Bumpjones,I would just like to say that I think you are right to be wary of the claim that you must have your crane proofed every time. Here in Canada such testing is not required unless the device is suspect (has had a known overload condition). As the manager of production for a major crane...
Most aluminum alloys lend themselves to welding with either the GTAW(tig) or GMAW (mig) welding processes. There are some basic rules that apply no matter which process you should choose to use. If you follow these suggestions in a methodical way then you should be able to produce a sound weld...
