... of Forged ShaftsWind Turbine : Turbine Rotor Shaft, Turbine Blade, Valve, Bush and Casing BoltGas Turbine: Compressor Disc, Turbine Disk, Spindle Bolt ... BladeNuclear Power : Casing, Coupling, RPV Stud Bolt, Pump ShaftMaterial Standard:GB, BS, ASTM, EN, DIN, AISI, JISForged shaft Material :Carbon steel ... , 34CrNi3Mo.Ultrasonic Test Sep1921 Class C/c Forged Shafts 42CrMo4+Q/T