In welding, a long cap (specifically known as a long back cap) is an essential consumable component exclusively used on TIG (Tungsten Inert Gas) welding torches to secure full-length tungsten electrodes. (Note: MIG torches do not use back caps; the term applies only to TIG setups, though complex pipe welding procedures often involve a "TIG root and MIG cap" pass sequence).
In welding, a long cap (specifically known as a long back cap) is an essential consumable component exclusively used on TIG (Tungsten Inert Gas) welding torches to secure full-length tungsten electrodes. (Note: MIG torches do not use back caps; the term applies only to TIG setups, though complex pipe welding procedures often involve a "TIG root and MIG cap" pass sequence).
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