Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | ,T/T |
| Supply Ability | 56000Tons |
| Delivery Time | 30 days |
| Packaging Details | Pallet |
| Material | 42CrMo4, 18CrNiMo7-6,20CrMo,20CrMnMo and more |
| Shape | According to the drawing,Customizable |
| Corrosion Resistance | Yes,apply rust-preventive oil to the surface |
| Customization Options | Available |
| Size | Customizable |
| Durability | Wear-resistant |
| Precision | As requested |
| Usage | Offshore Drilling Equipment |
| Brand Name | Tiangong |
| Model Number | TG-217 |
| Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
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Product Specification
| Payment Terms | ,T/T | Supply Ability | 56000Tons |
| Delivery Time | 30 days | Packaging Details | Pallet |
| Material | 42CrMo4, 18CrNiMo7-6,20CrMo,20CrMnMo and more | Shape | According to the drawing,Customizable |
| Corrosion Resistance | Yes,apply rust-preventive oil to the surface | Customization Options | Available |
| Size | Customizable | Durability | Wear-resistant |
| Precision | As requested | Usage | Offshore Drilling Equipment |
| Brand Name | Tiangong | Model Number | TG-217 |
| Certification | ISO9001, ISO14001,ISO45001 | Place of Origin | Changzhou, China |
| High Light | forged steel shaft heavy duty ，gearbox transmission forged shaft ，industrial machinery forged steel shaft | ||
The Forged Steel Shaft for Heavy Duty Gearbox Transmission Components in Industrial Machinery is engineered for high-load, high-performance industrial applications where durability, precision, and strength are critical. Manufactured from premium alloy steels and forged through advanced open-die or closed-die processes, each shaft features superior grain flow and internal integrity. Controlled heat treatment ensures optimal hardness, fatigue resistance, and long-term reliability under heavy torque and cyclic loading conditions.
High-Strength Forged Structure: Optimized grain orientation provides excellent load-bearing capacity and fatigue resistance.
Precision Machining: CNC machined to tight tolerances for accurate fit in gearboxes and smooth rotational performance.
Enhanced Toughness and Wear Resistance: Heat-treated alloy steel ensures superior surface hardness while maintaining a tough core to withstand heavy loads.
Customizable Specifications: Diameter, length, and keyway profiles can be tailored to meet specific gearbox designs and industrial requirements.
Long Service Life: Designed to maintain performance under continuous operation in harsh industrial environments.
Heavy-Duty Gearboxes in industrial machinery such as crushers, mills, and presses
Wind Turbine Gearbox Systems requiring high fatigue and torque resistance
Mining, Cement, and Steel Industry Transmission Equipment
Industrial Drives and Rotating Machinery where reliable torque transmission and dimensional stability are critical
| Item | Details (Forged Steel Shaft for Heavy Duty Gearbox Transmission Components in Industrial Machinery) |
|---|---|
| Available Materials | 42CrMo4, 18CrNiMo7-6,20CrMo,20CrMnMo – specially selected for high torsional strength, fatigue resistance, and durability under heavy-load gearbox operation. |
| Forging Equipment | Open-die hydraulic hammers: 5T / 8T / 12T – suitable for long shafts with refined grain flow, ensuring uniform internal structure and superior load-bearing capacity. |
| Application Field | Designed for heavy-duty industrial gearbox transmission systems, including crushers, mills, presses, and large rotating machinery – ensuring reliable torque transfer under high stress and cyclic loads. |
| Manufacturing Process | Forging → Heat Treatment (Quenching + Tempering) → Rough Machining → Precision Machining (if required) → Stress Relief → Dimensional Inspection — guarantees strength, stability, and accurate fit for gearbox assemblies. |
| Forging Ratio | ≥ 3.0 – enhances fiber orientation, improves fatigue performance, and ensures durability under continuous torsional and bending loads. |
| Delivery Condition | Supplied as rough-machined blanks or fully finished shafts, with optional surface hardening and protective coatings for extended operational life. |
| Testing & Inspection | Complete inspection including optical emission spectrometry, ultrasonic testing (UT), magnetic particle testing (MT), tensile and impact testing, hardness verification, and dimensional measurement for shafts of varying lengths. |
| Integrated Services | Comprehensive solutions from forging, heat treatment, machining, inspection, packaging, and domestic transportation – fully aligned with industrial machinery standards and customer specifications. |
Raw material verification → careful unloading and organized storage → initial quality assessment → controlled preheating to target forging temperature → precision forging and shaping → performance-enhancing heat treatment → intermediate inspection for structural integrity → rough machining of forged blanks → comprehensive non-destructive testing (NDT) → final dimensional and quality inspection → protective packaging → shipment to customer.
Q1: What is the weight range of your forged components?
We manufacture forged parts ranging from approximately 100 kg up to 7,000 kg, suitable for medium-sized industrial machinery as well as large-scale heavy-duty equipment.
Q2: Do you provide in-house heat treatment and machining services?
Yes. Our facility is fully equipped to perform all heat treatment processes, including normalizing and tempering, as well as rough and precision machining, ensuring components meet exact customer specifications.
Q3: Which industries commonly use your products?
Our forgings are widely applied in wind energy, mining and construction machinery, material handling equipment, industrial power transmission systems, and other heavy industrial sectors requiring high-strength components.
Q4: What are your typical lead times for production?
Standard or stocked items: generally around 30 days
Custom-designed forgings: usually 40–45 days, depending on material, size, and machining complexity
Q5: Where is your manufacturing facility located?
Our factory is based in Changzhou, Jiangsu Province, China, conveniently near Shanghai. This location allows for efficient logistics and reliable export through Shanghai Port to customers worldwide.
Request a Quote
Please send your engineering drawings and technical requirements. Our engineering team will carefully review your specifications and provide a professional quotation along with a customized solution in a timely manner.
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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