What is the recommended shielding gas flow rate for MIG welding?
The typical flow rate is 9.4 L/min or 157 cc/s (20 ft³/h). You should verify the flow rate recommended by the wire manufacturer, as it may differ. The flow rate should be set while gas is flowing through the welding power source and out through the gun. (Page 12)
From the official Miller Millermatic 211 Auto Set manual, page 12
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