Forged part Grade: Grade: CK45, CK60, S355J2G3, A105, ST52-3,4140/42 ,4130, 4340, 42CrMo4V, and according to customer request Commodity: forged shaft 1.Material: alloy steel ,carbon steel ,stainless steel and tool steel.2.Ultra-sonic test: as per SEP 1921 Group III C/c3.Delivery condition: forged + finish machined, annealed, normalized, quenched & tempered, etc.4.Mill certificate as per EN 10204: ...