Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | ,T/T |
| Supply Ability | 56000Tons |
| Delivery Time | 30 days |
| Packaging Details | Pallet |
| Material | 18CrNiMo7-6 |
| Shape | Customizable |
| Corrosion Resistance | Yes |
| Customization Options | Available |
| Size | Customizable |
| Durability | Wear-resistant |
| Precision | As requested |
| Usage | Wind Power Industry |
| Brand Name | Tiangong |
| Model Number | TG-001 |
| 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 | 18CrNiMo7-6 | Shape | Customizable |
| Corrosion Resistance | Yes | Customization Options | Available |
| Size | Customizable | Durability | Wear-resistant |
| Precision | As requested | Usage | Wind Power Industry |
| Brand Name | Tiangong | Model Number | TG-001 |
| Certification | ISO9001, ISO14001,ISO45001 | Place of Origin | Changzhou, China |
| High Light | Wind Power Alloy Steel Shaft ，Alloy Steel Forged Shaft Blank ，18CrNiMo7-6 Forged Shaft Blank | ||
The 18CrNiMo7-6 Alloy Steel Forged Shaft Blank for Wind Power Main Shaft Assembly is specifically engineered to meet the demanding mechanical and fatigue requirements of modern wind turbines. Forged from high-grade 18CrNiMo7-6 alloy steel, this shaft blank provides superior core hardness, excellent impact resistance, and outstanding toughness under fluctuating loads.
With its optimized grain flow and uniform metallurgical structure achieved through open-die forging and precision heat treatment, this forged shaft blank is ideal for use as a main shaft component in large-scale wind power systems.
| Item | Details (Wind Turbine Main Shaft – 18CrNiMo7-6) |
|---|---|
| Available Materials | 18CrNiMo7-6 (primary), with optional grades including 20CrMnTi, 20CrMnMo, 42CrMo4, 17NiCrMo6-4, 35CrMo, C45, 20CrMo, etc. |
| Forging Equipment | Open-die hydraulic hammers (5T / 8T / 12T) – Ideal for long shaft deformation and precise grain alignment |
| Application Field | Designed as a main shaft in wind turbine transmission systems, transferring torque under variable loading conditions |
| Manufacturing Process | Forging → Heat Treatment (Normalizing + Tempering) → Rough Machining – Guarantees internal strength and dimensional consistency |
| Forging Ratio | ≥ 3.0 – Ensures optimal fiber flow direction, improving fatigue resistance and impact performance |
| Delivery Condition | Supplied as rough-machined and normalized + tempered, with stress relief for machining stability |
| Testing & Inspection | Equipped with spectrometer, ultrasonic flaw detector, tensile & impact testers, metallographic microscope, and full-range dimensional gauges |
| Integrated Services | End-to-end support including forging, heat treatment, machining, packaging, inland transport, export clearance, and ocean freight. We prioritize customer specs and product quality at every step. |
These are the main inspection equipments:
| Our Lab inspection equipment | |
| 1 | Spectral component analyzer |
| 2 | Impact strength testing machine |
| 3 | Impact test cryogenic tank |
| 4 | Ultrasonic flaw detector |
| 5 | Brinell hardness tester |
| 6 | Rockwell hardness tester |
| 7 | Digital hydraulic universal testing machine |
| 8 | H.Metallurgical microscope |
| 9 | Program-controlled box furnace |
Material: 18CrNiMo7-6 – A low-carbon alloy steel known for high hardenability, wear resistance, and fatigue strength
Forging Process: Open die forging for enhanced structural integrity and directional grain flow
Condition: Delivered as a rough machined blank, with optional normalizing and tempering for improved mechanical properties
Performance: Excellent load-bearing capacity and dimensional stability under continuous wind turbine operation
Customization: Available in custom dimensions and machining tolerances according to customer specifications
This forged shaft blank is widely used in:
Wind Power Main Shaft Assemblies
Yaw and Pitch Drive Systems in Wind Turbines
Heavy-Duty Gearbox Shafts for Renewable Energy Systems
Large Rotating Equipment in Power Generation
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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