... other metal materials, also used in welding copper alloy, gold, silv DNY-10, DNY-16, DNY-25, DNY-35 movable hand held spot ... in welding carbon steel, stainless steel, galvanized iron and other metal materials, also used in welding copper alloy, gold, silver, ferrous ... Transformer: Self-cooled; Cable, electrode: Water-cooled DNY-25 movable hand held spot welder