... Cert 3.1B Forged Shaft, Shaft Forging, Forging ShaftDetailed Description:1) Product Name: Forged Shaft, Shaft Forging2) Material: 4130 ... , 12Cr2Mo1, 14Cr1Mo, F304, F316, 17-4PH.4) Shaft Related Forgings: 25CrMo4, 42CrMo4, 40CrNiMo, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5 ... , 30CrMo, 4130, 4140.5) Gear Related Forgings: 35CrMo, 34CrMo4, 4137, 42CrMo, 4140, SCM440 ...