1. Product name: High quality Open die forging Cylinder Forging 2. Raw material: Wind Turbine 42CrMo4V, 34CrNiMo6 Marine Forging C-Mn steel Gear shaft 17CrNiMo6;18CrNiMo7-6;20CrNi2Mo;42CrMo;47CrNiMo6;20CrMnMo;8822H Forged shaft 42CrMo4,50Mn,C45,AISI4130;AISI4330;AISI4150;AISI4350;AISI4340;410SS and so on Vavle forging SA105,SA350LF2,LF6,F304,F316,304L,316L,F51,F53,F321,etc Forged ring 42CrMo4, ...