Stick Welding (Sheilded Metal Arc Welding) The ability to stick weld is critical to the Boilermaker. It is done on mild steel and stainless alike and in all positions. Heli-Arc (Gas Tungsten Arc Welding) Though less overall time is spent doing so, the boilermaker must also be able to heli-arc. Again, this is done on mild steel and stainless in all positions.
MIG (Gas Metal Arc Welding) Some high-volume jobs will require the use of a "squirt gun".
Testing A boilermaker's welds are regularly tested (at least during their apprenticeship) to assure quality of work. Many jobs are X-Ray tested making the perfection of each and every weld a must.
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