Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Application | Heavy Machinery Transmissions |
| Section shape | According to the drawing |
| Material | Carbon Steel |
| Oem/Odm | Customizable |
| Port | Shanghai port |
| Test Report | UT ,SIZE ,MATERIAL and Customizable |
| Forging Ratio | 3.0 |
| heat treatment | Normalizing and tempering |
| Brand Name | Tiangong |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 56000 Tons per year |
| Delivery Time | 30days | Packaging Details | Pallet |
| Application | Heavy Machinery Transmissions | Section shape | According to the drawing |
| Material | Carbon Steel | Oem/Odm | Customizable |
| Port | Shanghai port | Test Report | UT ,SIZE ,MATERIAL and Customizable |
| Forging Ratio | 3.0 | heat treatment | Normalizing and tempering |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | ISO9001 carbon steel gear shaft forgings ，smooth carbon steel drive shaft forgings ，Output Gear Shaft Forgings | ||
Carbon Steel Output Gear Shaft Forgings are final-stage power transmission components engineered for heavy machinery. Manufactured through open-die forging or free forging of carbon steel with controlled heat treatment, these shafts deliver reliable torque transfer under extreme operational loads in rugged environments.
Surface-Hardened Teeth
Optimized wear resistance for prolonged gear engagement life.
Core Toughness Retention
Maintains structural integrity under high-stress conditions.
Directional Grain Alignment
Forged grain flow follows tooth profiles, reducing fatigue failure risk.
Precision Gear Mounting
Critical surfaces prepared for accurate gear installation.
Shock Load Absorption
Withstands sudden torque fluctuations during operation.
Mining Trucks: Final drive transmission shafts
Crawler Cranes: Swing drive output assemblies
Hydraulic Excavators: Travel reduction gear outputs
Bulldozers: Track drive final gear connections
Offshore Cranes: Hoist gearbox output stages
| Item | Details |
|---|---|
| Product Name | Carbon Steel Output Gear Shaft Forgings for Heavy Machinery Transmissions |
| Material Grades | -carbon steels engineered for structural strength - Customized compositions for heavy-load applications |
| Forging Equipment | - Hydraulic Presses: 5T, 8T, 12T - Capable of producing large-diameter shaft forgings with directional grain flow |
| Manufacturing Process | Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Final Machining (if required) → Dimensional Inspection → Packaging |
| Forging Ratio | ≥ 3.0 — Ensures enhanced internal density and fatigue resistance for high-stress applications |
| Applications | - Output gear shafts in high-load transmission systems - Heavy-duty mechanical drives for excavators, crushers, and material handling machines - Optimized for torque delivery and long service cycles under severe operating conditions |
| Delivery Conditions | - Delivered in heat-treated condition - Optional: As-forged, stress-relieved, or semi-machined states per requirements |
| Testing & Inspection | - Chemical Analysis (Optical Spectrometry) - Mechanical Testing: Tensile, Hardness - Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) - Dimensional inspection |
The steel forgings production flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
Here are answers to some common questions about our forging services:
What is your forging weight range? We produce forged parts ranging from 100 kg to 7000 kg.
Do you provide heat treatment and machining? Yes, we offer full in-house heat treatment, rough, and finish machining services.
Which industries do you supply to? We serve a variety of industries, including wind energy, heavy equipment, port machinery, and transmission systems.
What is your production lead time?
Where is your factory located? Our factory is located in Changzhou City, near Shanghai, with convenient shipping via Shanghai Port.
To request a professional quotation and solution, please send your technical drawings and requirements to us. Our engineers will review them promptly.
Company Details
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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