The Marine Tail Shaft is a critical transmission component that transfers engine power directly to the propeller in marine propulsion systems. Operating continuously under heavy torque, vibration, and seawater exposure, the shaft must maintain long-term strength, stability, and corrosion resistance in demanding marine environments.
At Zhangjiagang Xinjie Forging Co., Ltd., we manufacture forged marine tail shafts for shipbuilding companies, offshore engineering projects, and marine equipment manufacturers worldwide. From raw material forging to final machining and inspection, every production stage is controlled carefully to ensure stable mechanical performance and reliable operating quality.
Inside our workshop, heated steel bars are transferred between forging presses, heat treatment furnaces, and machining centers while technicians monitor deformation ratios, straightness, and dimensional accuracy throughout the process. For large marine shafts, small production deviations can directly affect propulsion system alignment and long-term operating reliability after installation.
Marine Tail Shaft Specifications
|
Item |
Specification |
|
Product Name |
Marine Tail Shaft |
|
Manufacturing Process |
Open Die Forging |
|
Shaft Type |
Solid Shaft / Stepped Shaft / Flanged Shaft |
|
Diameter Range |
150 mm – 1500 mm |
|
Length Range |
Up to 12,000 mm |
|
Weight Range |
Up to 25 Tons |
|
Material Grades |
42CrMo, 20CrMo, 4130, 4140, 4340, SCM420, Stainless Steel |
|
Heat Treatment |
Normalizing, Quenching & Tempering |
|
Machining |
Rough Machining / Finish Machining |
|
Testing Methods |
UT, Hardness Test, Dimensional Inspection |
|
Standards |
ASTM, DIN, EN10083, EN10250, JIS |
|
Application |
Marine Propulsion Systems |
|
Customization |
Available According to Drawings |
Built for Heavy Marine Operating Conditions
A Marine Tail Shaft works under constant rotational force while exposed to vibration, changing load conditions, and corrosive marine environments. Because of this, forging quality and material consistency become essential for long-term operational reliability.
Our forged marine tail shafts are widely used in:
- Cargo ships
- Bulk carriers
- Tugboats
- Offshore engineering vessels
- Marine diesel propulsion systems
- Ship transmission equipment
Depending on customer requirements, we can manufacture:
- Large-diameter marine shafts
- High-strength alloy steel shafts
- OEM custom shaft forgings
- Rough machined shafts
- Finish machined marine transmission shafts
Material Selection for Marine Tail Shaft Forgings
The material used for a marine shaft directly affects fatigue resistance, toughness, and long-term durability.
At Zhangjiagang Xinjie Forging Co., Ltd., we manufacture marine shaft forgings using:
- Carbon steel
- Alloy steel
- Heat-resistant steel
- Stainless steel
- Customized marine-grade materials
Common material grades include:
- 42CrMo
- 20CrMo
- SCM420
- AISI 4130
- AISI 4140
- AISI 4340
We also support production according to:
- ASTM standards
- DIN standards
- EN10083
- EN10250
- JIS standards
Why Customers Choose Our Marine Tail Shafts
At Xinjie, we provide:
Large-scale forging capability
Flexible custom manufacturing
Stable material quality
Integrated machining services
Professional technical support
Reliable production scheduling
Reason analysis: sitting for too long, heavy objects are pressed for a long time,pat the surface of the leather cloth with your hands and stretch on both sides
With years of experience in marine, petroleum, pressure vessel, and heavy equipment forging industries, we understand the practical requirements behind critical marine transmission components.
Custom Marine Tail Shaft Manufacturer
If you are looking for a reliable Marine Tail Shaft manufacturer for shipbuilding or offshore engineering applications, Zhangjiagang Xinjie Forging Co., Ltd. can provide customized forging solutions based on your drawings, technical specifications, and operating requirements.
We welcome inquiries for OEM marine shaft forgings, replacement shafts, and heavy-duty marine propulsion components.
