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China factory - Changzhou Tiangong Forging Co., Ltd.

Changzhou Tiangong Forging Co., Ltd.

  • China,Changzhou ,Jiangsu
  • Verified Supplier

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China Marine Grade Forged Shaft Gear 0.02mm Tolerance Propulsion Systems Gear Drive
China Marine Grade Forged Shaft Gear 0.02mm Tolerance Propulsion Systems Gear Drive

  1. China Marine Grade Forged Shaft Gear 0.02mm Tolerance Propulsion Systems Gear Drive
  2. China Marine Grade Forged Shaft Gear 0.02mm Tolerance Propulsion Systems Gear Drive
  3. China Marine Grade Forged Shaft Gear 0.02mm Tolerance Propulsion Systems Gear Drive

Marine Grade Forged Shaft Gear 0.02mm Tolerance Propulsion Systems Gear Drive

  1. MOQ: 1
  2. Price: USD500-USD2000/piece
  3. Get Latest Price
Payment Terms T/T
Supply Ability 56000 Tons per year
Delivery Time 30days
Packaging Details Pallet
Surface Treatment Heat Treatment
Tolerance 0.02mm
Size Customized according to customer requirements
Material Alloy Steel or Customized
Weight Customized
Type Forged Shaft
Application Propulsion Systems
Processing Method Forging Heat Treatment or Customized
Oem/Odm Customization is acceptable
Packing Wooden Case or Customized
Brand Name Tiangong
Certification ISO9001, ISO14001,ISO45001
Place of Origin Changzhou, China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 56000 Tons per year
Delivery Time 30days Packaging Details Pallet
Surface Treatment Heat Treatment Tolerance 0.02mm
Size Customized according to customer requirements Material Alloy Steel or Customized
Weight Customized Type Forged Shaft
Application Propulsion Systems Processing Method Forging Heat Treatment or Customized
Oem/Odm Customization is acceptable Packing Wooden Case or Customized
Brand Name Tiangong Certification ISO9001, ISO14001,ISO45001
Place of Origin Changzhou, China
High Light Marine Grade Forged ShaftForged Shaft 0.02mm tolerancePropulsion Systems gear drive shaft

The Marine Grade Forged Gear Shaft for Propulsion Systems is specially engineered for high-load, corrosion-prone marine environments. Manufactured from high-strength alloy or stainless steels and processed through precision forging, this shaft ensures excellent mechanical performance, dimensional accuracy, and long-term reliability under extreme operating conditions.

 

Key Properties:

  • High torsional strength and bending resistance

  • Enhanced surface hardness through heat treatment 

  • Optional nitriding or carburizing for improved wear resistance

  • Superior fatigue performance under dynamic marine loads

Typical Applications:
Designed for marine propulsion systems including:

  • Ship main propulsion gearboxes

  • Azimuth thrusters and propulsion shafts

  • Marine engine transmission systems

  • High-power reduction gears in commercial and naval vessels

Packaging & Delivery
Rust-preventive coating

Heavy-duty seaworthy wooden boxes

Custom labeling and barcoding

Global shipping support with flexible delivery terms (FOB, CIF, EXW)

 

Advantages of Forged Steel Gear Shafts

 

Unmatched Strength and Robustness

Forged steel gear shafts exhibit an extraordinary level of tensile strength and possess remarkable impact resistance capabilities. This makes them the perfect choice for heavy-duty applications where components are subjected to high loads and stress.

Elevated Fatigue and Shock Tolerance

The meticulous forging process effectively refines the grain flow pattern within the gear shaft. As a result, it significantly enhances the shaft's capacity to endure cyclic loads over extended periods and sudden, intense shocks without succumbing to damage.

Heightened Reliability and Extended Service Lifespan

Forged gear shafts boast a higher degree of structural integrity compared to other types of shafts. This inherent characteristic minimizes the likelihood of failure during crucial operations, thereby ensuring consistent and reliable performance throughout their service life.

Outstanding Wear Resistance

Forged steel gear shafts are particularly well-suited for high-load gear systems. Even in the most arduous operating conditions, they demonstrate exceptional resistance to surface wear, preserving their functionality and performance for extended periods.

Superior Machinability and Precise Dimensional Accuracy

Following the forging process, the material of the gear shaft becomes more amenable to machining operations. This not only simplifies the manufacturing process but also enables the achievement of precise tolerances, which are essential for seamless gear engagement.

Minimized Internal Flaws

In contrast to castings or bar stock materials, forged gear shafts are characterized by a reduced number of voids or inclusions. This absence of internal defects ensures consistent performance and reliability, eliminating the risk of unexpected failures due to material imperfections.

Tailored to Specific Application Requirements

Forged steel gear shafts are available in a diverse range of grades, such as 42CrMo, 20CrMnTi, or 40CrNiMo. These grades can be carefully selected and customized to meet the specific load, environmental, and service requirements of different applications, ensuring optimal performance and efficiency.
Item Details
Product Name Marine Grade Forged Gear Shaft for Propulsion Systems
Materials Customized according to customer requirements
Forging Method Open-die forging,Free forging
Heat Treatment Carburizing,  Tempering, Normalizing
Applications

Marine propulsion gear shafts

Surface Condition Rough machined, finish machined, or as-forged
Inspection UT, Hardness Test, Mechanical Properties, Dimensional Check
Customization Available upon drawing or specification

 

The steel forgings production flow:

Raw material steel ingot into warehouse(test the chemical composition) → Cutting→ Heating(Furnace temperature test) → Heat treatment after forging(Furnace temperature test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal dimension, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment.

 

Frequently Asked Questions (FAQs)
1. What is your forging weight range?
We produce forged parts ranging from 100 kg to 7000 kg.

2. Do you provide heat treatment and machining?
Yes, we offer full in-house heat treatment, rough, and finish machining services.

3. Which industries do you supply to?
We serve wind energy, heavy equipment, port machinery, transmission systems, and more.

4. What is your production lead time?

With stock: Around 30 days

Without stock: 40–45 days

5. Where is your factory located?
In Changzhou City, near Shanghai, with shipping via Shanghai Port.

 

Request a Quote
Please send your technical drawings and requirements to us. Our engineers will review and provide you with a professional quotation and solution shortly.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    1994

  • Total Annual:

    27.5 million -28 million

  • Employee Number:

    135~150

  • Ecer Certification:

    Verified Supplier

About CHANGZHOU TIANGONG    We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet ... About CHANGZHOU TIANGONG    We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet ...

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  • Reach Us
  • Changzhou Tiangong Forging Co., Ltd.
  • Wangxia Village, Luoxi Town, Xuejia Town, Xin Bei District, Changzhou City, Jiangsu Province, China
  • https://www.freeforgings.com/

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