... 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 forging 4, ... ASTM DIN JIS ISOMaterialSteel Plate, Hot Rolled Steel Section, Stainless Steel etc.Material QualityS355,S275,S235,Q235,Q345 ...