Ships shaft

Our shaft products mainly includes Drive Shaft,Step Shaft,Eccentric Shaft,Mandrel Bar,Press Machine Column,Metallurgy Long Axis,Generator Shaft,etc. We are able to provide complete machining services such as boring,milling,turning,grinding,welding and fabrication.Usually we make it according to your drawing or requirements. 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.Hardness: HB240-320 3.Ultrasonic Test: Sep 1921-84 - Test Group 3 Class D or ASTM A388 - FBH max 4mm 4.Forging reduction ratio: ≥4 5.Manufacturing process: steel ingot→forging→rough machining→QT→2th rough machining→finishing machining→packing→delivery 6.Quality required: Surface defect and decarburization shall be free. All dimensions are 100% OK. 7.Packing: wooden box or metal pallet for protection against rust and damage. 8.Quality Management Certification: ISO 9001:2008.