... forging,Hot Forging,die forging Forged,Forged Ring,Hot Forging,Close Die Forging 1) Material: Carbon steel, alloy steel, stainless steel, aluminum, brass, magnesium,Titanium2) Product ... weight from 0.05kg to 20kg.3) Possible Heat Treatment: Normalizing ,Annealing, Solution, Passivation4) Production machine: Hot die forging ... Manufacturer certification: ISO9001 (2000) / TS16949 close die forging