42CrMo4 18CrNiMo7-6 Large Dia Heavy Steel Forgings For Wind Turbines. The Large Diameter Precision Forging for Wind Turbines is engineered to meet the demanding structural and mechanical requirements of modern wind energy systems. Manufactured using advanced open-die or ring rolling techniques, this component offers exceptional dimensional accuracy, material integrity, and load-bearing capacity—making it ideal for critical wind turbine applications.

Process flow:

Raw Material Steel Ingot (Chemical Composition Inspection)→ Cutting to Size→ Heating in Furnace (Temperature Monitored)→ Forging Operation→ Post-Forging Heat Treatment (Temperature Controlled)→ Discharge from Furnace → Blank Inspection (Surface & Deformation Check)→ Rough Machining→ Initial Inspection (UT, MT, Dimensional Check, Hardness Test)→ Quenching & Tempering (QT)→ Final Inspection (UT, Mechanical Properties, Hardness, Grain Size)→ Finish Machining→ Final Dimensional Inspection→ Packing & Marking (Steel Stamp & Labeling)→ Warehouse Storage → Shipment

Frequently Asked Questions (FAQs)

1. Forging Weight: We produce forged parts weighing 100 - 7000 kg.
2. Services: In - house heat treatment, rough and finish machining are available.
3. Industries Served: Wind energy, heavy equipment, port machinery, transmission systems, etc.
4. Lead Time: Around 30 days with stock; 40 - 45 days without.
5. Factory Location: In Changzhou City near Shanghai, shipping via Shanghai Port.

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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 our customers’ requirements. 

Our customers and partner value our products and services for 2 reasons: excellence and reliability.

Key figures 

A. Over 30 years professional free forging manufacturing experience

B. The company covers an area of 71,000 square meters

C. The construction area of the production workshop is 12,000 square meters

D. Total number of employees of 158

E. 28 engineering and technical personnel 

F. 59 skilled workers 

G. Annual production capacity is 38,000 tons

H. Steel throughput can reach 56,000 tons

Efficient and reliable solutions for customers

Industrial sector application

We design and manufacture forged parts for all industrial areas applying our experience and unique professionalism and taking the specific requirements of the markets into account. This has led us to become a forging industry leader in all industrial segments and collaborating with leading companies.

A. Wind power generation

B. Port Heavy Machinery

C. Mining

D. Ship Building

E. Chemical industrial

F. Oil industrial

G. Metallurgical industry 

H. Hydraulic industry 

I. Other high-end industrial equipment, gearbox body, parts and etc.

Customized solutions 

Modular processes allow us to engineer a solution for almost every industrial application requiring free forged parts. Our modularity means flexibility, a wide range of options, faster delivery, and most important of all, competitiveness.

All our products and production process have been designed to assure excellent, reliable and long lasting unique mechanical performances, resulting in reduced operating costs and long life.

With a wide range of products and a significant experience gained in most industrial applications, we can also provide complete engineering recommendation for customers.