Originally Posted by
Brian Hjelm
Not necessarily home made. Few automotive tradesmen have the relevant skills and training to be welding alloy steels like 4140 or 4340 to the required standard. They simply were not instructed or tested in these skills. Most have little or no knowledge of pre-heating, annealing, tempering, hardening etc. Smash repairers took to GMAW welding from gas welding like ducks to water because of the low skill requirement and convenience. Whilst they can stitch HSLA panels together, I would not like to let them loose on steering and suspension components. Boilermakers should be the trade to do this work. Some fitters have welding qualifications but in most big shops fitters do not weld so really don't get the practice.