... for stainless steel Features of inverter DC TIG welding machinery WS-315:1. Advanced IGBT inverter technology, stable current, steady ... -voltage protection, suitable for TIG and MMA of various metals;4. Stable arc, high welder speed, little spatter, suitable for filler ... clamp, etc.Parameters of inverter DC TIG welding machinery WS-315: ModelSpec.WS-315Power supply voltageAC 380±10% V / 50~60 HzPower ...