.1 intermideate shaft, main shaft; 2 Materials: carbon , stainless and alloy steel; 3 Proces: hot ... forging, machining; 1,name: Flexible forged shafts, heavy shafts,large shaft forging 2,materials: carbon,stainless,alloy steel 3,proces: hot ... -T2)Magnetic Testing Standard: ASTM A125,ISO 4986 wind turbine rotor forging