... Drawing-Ingot-Forging-Rough Machining-HT-Mechanical Testing-Final MachiningQuality Control:1.Chemical Composition confirm after ... Machining3..Hardness after Heat Treatment4..Mechanical testing5..Final NDE and Final Dimension CheckQuality Assurance Document:1.Item ... Confirm,Forging,Rough Machining,Heat Treatment,Mechanical Testing,Final Machining,Polishing,Painting,Electro-Plating,Chemical Plating ...