Selection and Properties of Shielding Gases Used for Welding

M.C. Balmforth (The Materials and Engineering Group, LLC) dives into some of the more technical aspects of shielding gas properties and selection for GTAW. In this presentation, Mr. Balmforth discusses a handful of important arc/plasma properties (thermal conductivity, electrical conductivity, and current), and clears up some common misconceptions regarding what variables determine heat transfer to the weld pool.

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