Stainless steel Valve accessory 1) Process; Hot forging 2) Material: Inconel 718, inconel ... ). Material: Main material of our forgings include various superalloys and duplex stainless steels. eg. Inconel, Monel, Incoloy, Hastelloy, and ... Duplex F53 etc.2). Product included: Balls, rods, tubes, sleeves, bushings, ...