NBC-250F MAG Welding Machine 1.High efficieny, energy saving 2.Power reach ... , high duty cycle 3.durable, economic NBC-250F Tap Type MAG Welding MachineFeature and Application 1.It is practical and reliable ... steel,stainless steel, common low alloy steelWay of welding CO2/MAG Dia of wire 0.8/1.0mmRange of current 40 ...