Pulled the trigger yesterday on a 250 amp machine . Everlast , yes ... I'm getting both air and water cooled torches , and an upgraded "package" of stuff like a better regulator and stick electrode stinger . This machine is the same unit as the one the guy uses for the
Bang! Bang!
If the label says C25, it probably is C25. Even if your neighbor re-filled the cylinder himself with straight argon, there is likely to be a significant amount of C02 left in the cylinder.
Most welding shops will swap a similar gas cylinder for the cost of a fill, as long as there are no "heritage" issues. Collars on cylinders with supplier names on them are the kind of "heritage" issue I am referring to.
Good Luck, BobH
Well , it does have some heritage issues , there's a collar with a long-closed supplier's name on it . The supplier I'm talking to has been told about this , and says it's not a problem since the company dissolved over 20 years ago . On the contents , it most certainly is NOT C25 as labelled . Side by side welds with the only change being the gas have a different appearance , and the arc behavior was totally different . I'll give it a shot with the TIG before I trade it ... and who knows , it might just be argon .
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