... from 0.05-20kg 3)Free Forging,Rigging Hardware,Hot Forging Free Forging,Rigging Hardware,Hot Forging 1) Material: Carbon steel ... Tempering ,Solution, Passivation.4) Production machine: Hot die forging presses,Friction press machine,Middle Frequency electric heater, Air hammer,Precision ... Container forgings (cams, keepers, handle, hinge blade), machinery Parts (link rod, shifting fork, crank, rocker), ...