... :Stainless Steel,Carbon,Alloy Steel, Features: Big Size shaft and ship shaft Standards: ASTM, ASME, DIN, SIS and EURONORM Certification: TUV ... excellent forging parts for different industry like wind turbine shafts, ship shafts, heavy gears, flanges, ring pieces, all kinds of forging ... .If you have any question, please contact me. Thank you. Ship Shaft