... . Product name: open die forging 20T short of converter trunnion 2. Raw material: Wind Turbine 42CrMo4V, 34CrNiMo6 Marine Forging C-Mn steel Gear ... AISI4130;AISI4330;AISI4150;AISI4350;AISI4340;410SS and so on Vavle forging SA105,SA350LF2,LF6,F304,F316,304L,316L,F51,F53, ... ,S355G2,1.4923,1.4301F316,F304,F51,F53,F55 Pressure Vessel forging SA105, SA350 LF2, 16Mn, S355J2,20MnMo, 15MnMo, 12Cr2Mo1, 14Cr1Mo, ...