NBC-250F MAG Welding Machine 1.High efficieny, energy ... cycle 3.durable, economic NBC-250F Tap Type MAG Welding MachineFeature and Application1.It is practical and reliable, ... stable function.2.Three operation modes: continuous welding, spot welding, discontinuous welding, small splash, high success rate to arc ... stainless steel, common low alloy steelWay of welding CO2/MAG Dia of wire 0.8/1.0mmRange ...