We are devoted to provide large marine shaft and shaft system, including propellershaft, screwshaft, rudderstock,intermediate shaft, square rudder stock, tail shaft and other marine forging products The details of marine propeller shaft as follows,1.Material:H13,4130,4140,4150,4340,1035,1045,EN9,EN19,EN24,EN31,51200,SUJ2, 100Cr6,K310,34CrNiMo6,36CrNiMo4, 42CrMo4,86CrMoV7, C35E, C40E, C45E, etc. 2. ...