... crackle, abrasion, wear and tear, miscalculation in manufacture XKS-02 cast iron defect welding machine / weld pin hole machineMain Parameters:1. ... carbon medium, die steel, stainless steel, casting steel, cast iron, cast aluminum, tungsten carbide alloy, and all electrical conductor.4 ... Application examples:1.welding casting pin holes 2. XKS-02 cast iron defect welding machine / weld pin hole machine