... stamping parts ( Stamping-12 ) / sheet stamping, 1. Process: Metal stamping, hot forging 2. Materials: Stainless steel, carbon steel, CRS, HRS, mild steel, spring steel, aluminum and ... , US10B, US15, US15A, US26, US26D, distressed antique brass, copper, nickel and iron bronze, 5. Volume: 500 tons per year, Customized designs ...