locomotive forging gear blank for CNC machine co., depend on the ... auto parts, the engineeing product and the minning facilities parts. locomotive forging gear blank Name Category1) axle truck, trailer,bus2) Balance ... steel20CrMoTi, 34CrMo, 42CrMo, 20NiCrMo, 35CrMo, 40CrMnMo,4)standardASTM, ASME, DIN locomotive forging gear blank