... from 0.05-20kg 3)Free Forging,Rigging Hardware,Hot Forging Free Forging,Rigging Hardware,Hot Forging 1) Material: Carbon ... Quenching, Tempering ,Solution, Passivation.4) Production machine: Hot die forging presses,Friction press machine,Middle Frequency electric heater ... finish: Oiled (rust-proof), zinc, nickel, chrome plating, hot galvanized 6) Industry involved: Container forgings (cams, keepers, ...