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  • Starting Point

    What is a good starting point amperage for welding 1.750 dia. .134wall mild steel
    roll cage tubing with a 185amp inverter tig?
    Thanx Obiewrench

  • #2
    One amp per .001 wall thickness,. so for .134 wall I"d probably dial in 150 amps and pedal it back if needed.

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