• Description:The product can be provided as per your drawing or specified requirements.
• Material: alloy steel (42CrMo, 34CrNiMo6, 25Mn and more)
• Weight: 30T (maximum)
• Process: EF + LF + VD
• Process as follow: ingot →heat → forging → heat treatment (normalizing + tempering) → Inspection → rough machining → UT → 2nd heat treatment → finishing machining → inspection
• Applications: forged steel shaft- crank shaft forging is widely used for low speed diesel engine, medium speed and high speed diesel engine of marine industry
• Purchase the steel ingot from well know and qualified steel mill in China
• All our forgings forged ratio >4.5, and guarantee a full time normalize and anneal process to make sure the grain size and cleanness degree
• With strict quality control system and complete management service system
• Other shipbuilding forgings:
• Thrust shaft, propeller shaft, intermediate shaft, tail shaft, rudder stock, rudder post, rudder pintle, crank shaft, connecting rod, piston rod, cross head pin, transfer gear, gear ring, intermediate gear and fuel pump body applied in shipbuilding, with material of S355J, C35, C45, 20A, 42CrMo4 and other required materials