... surface 3. Good welding ability 4. Stainless steel, carbon steel, aluminum High efficiencyHigh precisionPerfect surface Germany machine Welded sheetmetal Thickness:Mild steel ... , punching, piercing, welding, spot welding, bending, forming, cutting, spot welding, shearing, deburring, painting, metal finishing, electromechanical assembly, metal fabrication, riveting and fastening. Welded sheetmetal