... and large quantity used in gear box . Material: Carbon steel, alloy steel Main shaft for gear box parameters: Material EN10083-142CrMo+0 ... Material: Carbon steel, alloy steelProcess: Forged Leading products: Forging pieces, such as many types of shafts, different kinds ... of flanges, gear rings, brake discs , roller ,tubular parts, and other forging parts. Producing equipment: 6000ton ...