... they are able to touch the tip anywhere repair 8. Pure metal repair, no traces of welding, welding effect meet ... -ferrous metals, ferrous metals, and almost all of conductive metal, can repair and strengthenMain PERFORMANCEadapt to the substrate material: ... aluminum. Nickel. Magnesium alloy. Aluminum and copper all conductive metal. electrode material type: rod welding consumables. Welding non-powder ...