forging blank(with 20 ton die forging hammer),max weight forging:1000kg ... parts, the engineeing product and the minning facilities parts.forging blank(with 20 ton die forging hammer) forged parts Name Category1 ... , 34CrMo, 42CrMo, 20NiCrMo, 35CrMo, 40CrMnMo,4)standardASTM, ASME, DIN forging blank