... for stainless steel Features of inverter DC TIG welding machinery WS-315:1. Advanced IGBT inverter technology, stable current, ... steady and intensive arc, high working efficiency, convenient to carry;2. Compact structure, excellent arc striking performance, reliable and durable, ... clamp, etc.Parameters of inverter DC TIG welding machinery WS-315: ModelSpec.WS-315Power supply voltageAC 380±10% V / 50~60 ...