... Machining-HT-Mechanical Testing-Final MachiningQuality Control:1.Chemical Composition confirm after Ingot2.NDE after Rough Machining3 ... Casting,Precision Casting,Investment CastingCasting MaterialHigh Strength Alloy Steel ,Alloy SteelASTM A148 135-125, 115-95, ... Forging,Pressure Forging,Dropped ForgingForging MaterialHigh Strength Alloy Steel,Alloy Steel40CrNiMo,34CrNiMo,42CrMo,35CrMoCarbon Steel:S45#, ...