by George
(Ohio)
The machine is a Lincoln Precision Tig 225,primary use is for 4130 tubing. What tungsten do you recommend, Ceriated or Lanthanated? 1.5% or 2%? Thanks George
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I like to use 2% lanthanated for everything.
but for 4130 only, you wont see much difference on ceriated, thoriated, lanthanated, etc.