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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.
    Miller Syncrowave 200
    Homemade Water Cooler
    130XP MIG
    Spectrum 375
    60 year old Logan Lathe
    Select Machine and Tool Mill
    More stuff than I can keep track of..

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