... thick plate and spot welding. The welding material include low steel, low-alloy high strength steel, stainless steel, steel, iron, copper, aluminum ... technology, high reliability, easy operation, high efficiencySpot welding machine can reach the best effect with micro processor control ... grade: FDiameter of centralization corresponding welding rods grade: Low carbon solid steel welding wire 0.8-1.0ΦForm ...