Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Material | Customized according to chemical composition |
| Origin Of Goods | Changzhou, Jiangsu |
| Other Name | Wind Turbine Main Shaft |
| Type | Heavy Steel Forgings |
| Industry | Forging industry |
| Oem | Available |
| Tolerance | High precision |
| Forging Weight | 100kg|100kg-7ton |
| Brand Name | Tiangong |
| Model Number | TG-211 |
| 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 |
| Material | Customized according to chemical composition | Origin Of Goods | Changzhou, Jiangsu |
| Other Name | Wind Turbine Main Shaft | Type | Heavy Steel Forgings |
| Industry | Forging industry | Oem | Available |
| Tolerance | High precision | Forging Weight | 100kg|100kg-7ton |
| Brand Name | Tiangong | Model Number | TG-211 |
| Certification | ISO9001, ISO14001,ISO45001 | Place of Origin | Changzhou, China |
| High Light | heavy steel forgings for wind turbines ，wind turbine main shaft forgings ，durable steel forgings with warranty | ||
Our heavy steel forgings for wind turbine main shafts are engineered for maximum reliability and performance under continuous load conditions. Produced from premium alloy steels such as 42CrMo4 and 34CrNiMo6, each shaft forging undergoes precise temperature control, optimized deformation, and full ultrasonic testing to guarantee internal soundness and long service life.
High tensile and yield strength ensuring superior load-bearing capacity
Excellent impact toughness and fatigue resistance under dynamic stresses
Uniform grain structure achieved through controlled forging and heat treatment
Full ultrasonic inspection to ensure defect-free internal quality
Available in customized dimensions and heat treatment conditions
Wind turbine main shafts for onshore and offshore installations
Power transmission shafts in hydroelectric and marine equipment
Heavy-duty gear components in industrial and metallurgical machinery
Structural parts requiring high strength and long-term operational reliability
| Item | Details (Heavy Steel Forgings for Wind Turbine Main Shaft Applications) |
|---|---|
| Materials | 42CrMo4, 34CrNiMo6, 18CrNiMo7-6, and other high-strength alloy steels – selected for outstanding toughness, fatigue resistance, and low-temperature impact performance required in wind turbine applications. |
| Forging Equipment | 5T / 8T / 12T Hydraulic Hammers and Ring Rolling Mills – capable of producing large-diameter main shaft forgings up to 6 meters in length and 12 tons in weight, ensuring superior fiber flow and internal homogeneity. |
| Production Process | Open Die Forging → Heat Treatment (Quenching & Tempering) → Rough or Finish Machining → Final Inspection – ensuring high mechanical strength, dimensional accuracy, and consistent metallurgical properties. |
| Forging Ratio | ≥ 3.5 – providing fine grain structure, improved fatigue life, and superior load-bearing performance during turbine operation under cyclic stresses. |
| Application | Designed for use in wind turbine main shafts for both onshore and offshore installations. Also applicable to other renewable energy systems and heavy-duty rotating shafts requiring high mechanical reliability. |
| Delivery Condition | Quenched and tempered; available as forged, rough-machined, or fully machined shafts. Stress-relieved to prevent distortion and ensure alignment accuracy during assembly and operation. |
| Inspection & Testing Equipment | - Chemical Analysis: Spectrometer - Mechanical Tests: Tensile, Impact, Hardness - NDT: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) - Dimensional Control: Coordinate Measuring Machines (CMM), Precision Micrometers - Metallography: Grain size and inclusion rating verification for microstructural integrity |
| Full-Cycle Service | End-to-end production support covering forging, heat treatment, CNC machining, quality inspection, export documentation, and global delivery. All processes strictly comply with ISO, EN, and ASTM standards to ensure reliability and long service life of the main shaft forgings. |
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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