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75/25 minimum to weld?

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  • 75/25 minimum to weld?

    I'm mostly welding with .30 and 75/25 andy tank measures 32" tall and about 7" in diameter,
    I I have just under 2000 PSI in my tank left, my question is how low can I let it go before I start noticing a bad weld?

  • #2
    .030 wire is wire I'm using, not .30

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    • #3
      Originally posted by Hunt4weld View Post
      I'm mostly welding with .30 and 75/25 andy tank measures 32" tall and about 7" in diameter,
      I I have just under 2000 PSI in my tank left, my question is how low can I let it go before I start noticing a bad weld?
      Your tank guage will indicate less than 100 psi before you start noticing porosity, but will drop very quickly after pressure gets that low. Better to replace before you get to that point, especially if supply is not close.

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