Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Application | Industrial Gearboxes |
| Quality Control | Ultrasonic tested |
| Material | 42CrMo or Customized |
| Production Process | Forging ，roughing |
| Hardness | Customized |
| Heat Treatment | Annealing and tempering |
| Size | Customized |
| advantage | Wear-Resistant |
| 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 | Industrial Gearboxes | Quality Control | Ultrasonic tested |
| Material | 42CrMo or Customized | Production Process | Forging ，roughing |
| Hardness | Customized | Heat Treatment | Annealing and tempering |
| Size | Customized | advantage | Wear-Resistant |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | 42crmo alloy steel forged ，5000kg custom forgings ，5000kg alloy steel forged | ||
42CrMo Wear-Resistant Forged Alloy Steel Gear Shaft, Main Shaft, High And Low Speed Shaft.
We manufacture wear-resistant forged shafts from high-strength alloy steel 42CrMo, including gear shafts, main drive shafts, and high-speed or low-speed shafts used in heavy-duty industrial equipment. With excellent mechanical strength, toughness, and wear resistance, these shafts are ideal for demanding applications involving high torque, impact loads, and continuous operation.
Material:
42CrMo – A chromium-molybdenum alloy steel with high tensile strength, good hardenability, and excellent resistance to wear and fatigue. It performs reliably in dynamic and high-load environments after proper heat treatment.
Key Features:
Shaft types: gear shafts, main shafts, transmission shafts, high-speed shafts, low-speed shafts
Forged weight range: 100KG to 5000KG, custom sizes available
Normalizing and tempering for optimized hardness and strength
Superior metallurgical structure ensures fiber continuity and fatigue resistance
Available in rough machined, semi-finished, or CNC pre-machined condition
100% Ultrasonic Testing (UT) and Magnetic Particle Inspection (MPI)
Applications:
Cement grinding systems
Metallurgy and mining equipment
Port cranes and winches
Gearboxes and transmission assemblies
Heavy-duty industrial machinery
| Item | Details |
| Product Name | 42CrMo Wear-Resistant Forged Alloy Steel Gear Shaft, Main Shaft, High And Low Speed Shaft |
| Material Grades | - Primary alloy: 42CrMo- High strength, excellent toughness, and superior wear resistance- Engineered for industrial gearbox components under high torque and heavy loads |
| Forging Equipment | - Hydraulic hammers: 5T / 8T / 12T- Large open-die forging press with core boring capability- Near-net shape forging for components with complex geometries |
| Manufacturing Process | Hot Forging → Intermediate Heat Treatment → Optional Core Boring / Drilling → Rough / Semi-Finish Machining → UT & Dimensional Inspection |
| Forging Ratio | ≥ 3.0 — Promotes directional grain flow, ensuring excellent load-bearing capacity and fatigue resistance in gearbox applications |
| Applications | - Gears and shafts in automotive gearboxes- Components of aerospace transmission gearboxes- Critical parts of mining machinery gearboxes- Heavy machinery gearbox elements, such as those in cranes and construction equipment- Gearbox components in energy industry equipment, like wind turbine gearboxes |
| Heat Treatment Options | - Annealing and tempering for enhanced mechanical properties- Stress relief treatment to ensure dimensional stability |
| Testing & Inspection | - Chemical: Spectrometer-controlled composition analysis- Mechanical: Hardness, tensile, yield, impact toughness- Ultrasonic (UT): Multi-angle flaw detection, including bore zone- Dimensional: Length, diameter, straightness, concentricity |
| Value-Added Services | - Custom geometries for specific industrial gearbox needs- Pre-machined surfaces for easy integration into gearbox systems- Laser part marking and full traceability |
The steel forgings production flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
Frequently Asked Questions (FAQs)
What is the typical weight spectrum of the forged components you manufacture? Our forging capabilities encompass a range of components weighing from 100 kilograms up to 7 metric tons.
Do you handle downstream processing such as thermal treatment and material removal? Indeed, we provide comprehensive in-house services for heat treatment, encompassing both preliminary and final machining operations.
Which industrial sectors are the primary beneficiaries of your forged products? We cater to a diverse array of critical industries, including wind power generation, heavy machinery manufacturing, port infrastructure, power transmission systems, and various others.
What are the typical timeframes for the completion and dispatch of orders? For items readily available in our inventory, the standard lead time is approximately 30 days. For custom-manufactured orders, the timeframe generally spans 40 to 45 days.
Could you provide information on the geographical location of your manufacturing facility and shipping hub? Our production plant is situated in Changzhou City, strategically located near Shanghai, and we utilize the Port of Shanghai for our shipping logistics.
Request a Quotation
To receive a tailored price assessment and a comprehensive engineering solution designed to meet your specific needs, please forward your detailed technical drawings and requirements to our dedicated team. Our experienced engineers will promptly review your submission and provide you with a professional quotation and a suitable solution.
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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