... , little spatter,deep penetration,beautiful shaping,high welding efficiency4.Slow wire feeding during arc starting,remove the tip ball after welding ... for work piece with a thickness of more than 0.8 mm6.Small size,light weight,simple operation,economical and practical7 ... maximum input current(A)20.0A38.0AWelding thickness(mm)0.8-12mm0.8-20mmWire feed speed3-15m/min3-18m/minEfficiency(%)85%85 ...