After 80% helium or so you lose arc stability. You can weld 100% helium they do it when they tig weld thick copper but it isn't alot of fun. After all it is heliarc.
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After 80% helium or so you lose arc stability. You can weld 100% helium they do it when they tig weld thick copper but it isn't alot of fun. After all it is heliarc.
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