... forging, machining; 1,name: Flexible forged shafts, heavy shafts,large shaft forging 2,materials: carbon,stainless,alloy steel 3,proces: hot forging 4 ... InstallationStandardEN GB ASTM DIN JIS ISOMaterialSteel Plate, Hot Rolled Steel Section, Stainless Steel etc.Material QualityS355,S275,S235,Q235,Q345,Q390 etc ... (IN 1690-T2)Magnetic Testing Standard: ASTM A125,ISO 4986 forged and machined gear shaft