Beryllium copper stamping parts 1.Material:Beryllium copper C17000 2.Tolerance:0.1mm 3.Finish:Gold ... Cutting machines,EDM Machines.2).Process:Conventional metal stamping, copper stamping parts,progressive stamping, deep drawing, welding, spot welding ... steel ,Cold Rolled steel,Spring steel,Electro galvanized Steel,Aluminum alloy,brass,Copper, according to customer request4).Finish: Nickel/ Gold/ Tin ...