... parts, the engineeing product and the minning facilities parts.front axle blank(with 20 ton die forging hammer) truck front ... axle blank Name Category1) axle truck, trailer,bus2) Balance shaftAutomotive parts3) forging valve engineering4 ... , 34CrMo, 42CrMo, 20NiCrMo, 35CrMo, 40CrMnMo,4)standardASTM, ASME, DIN front axle blank