FIELD: arc welding. SUBSTANCE: flow rate of shielding gas to be fed to welding zone is determined according the following formula: Q = V I K, where V - welding voltage; I - welding current intensity; K - correction factor specified as follows: K = 0.007 when I = 50-100 A, K = 0.027 when I = 130-240 A, K = 0.016 when I = 280-450 A. EFFECT: high effectiveness.
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