forged shaft with Alloy steel, Carbon steel, Stainless steel, Tool steel, Heat resistant steel, Nickel Alloy. Forged shaftKey words: forging shaft , steel shaft forging MaterialsAlloy Steel : Nitralloy; Maraging 250, 300, ... 362, 4140, 4130, 4330, 4340 etc.Carbon Steel : CK35 , CK45 etc ...