Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Size | Accept customization or according to drawings |
| Application | Wind Power, Gearbox, and Hydraulic Applications |
| Section shape | Accept customization or according to drawings |
| Material | China national standard raw materials |
| Surface | Anti-rust oil |
| Utstandard | Customizable |
| Oem/Odm | Yes |
| Color | Original |
| 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 |
| Size | Accept customization or according to drawings | Application | Wind Power, Gearbox, and Hydraulic Applications |
| Section shape | Accept customization or according to drawings | Material | China national standard raw materials |
| Surface | Anti-rust oil | Utstandard | Customizable |
| Oem/Odm | Yes | Color | Original |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China |
Our 42CrMo forged steel block is designed for high-performance use in wind turbine systems, industrial gearboxes, and hydraulic components. With excellent mechanical strength, high hardenability, and superior toughness, this alloy steel block is ideal for critical parts subjected to heavy loads and cyclic stresses. It offers reliable performance after quenching and tempering, with good machinability and resistance to fatigue and impact.
| Item | Details |
|---|---|
| Product Name | 42CrMo Forged Steel Block for Wind Power, Gearbox, and Hydraulic Applications |
| Material Grade | - 42CrMo alloy steel- Excellent strength, toughness, and hardenability |
| Forging Equipment | - Hydraulic Open Die Presses: 5T, 8T, 12T- Produces uniform, high-integrity steel blocks |
| Forging Ratio | ≥ 3.0 – Improves fatigue resistance and internal soundness under dynamic or rotating loads |
| Manufacturing Process | Raw Material Inspection → Heating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Final Machining (optional) → Dimensional Inspection → Packaging |
| Delivery Conditions | - Standard: Quenched and Tempered- Optional: Annealed, Normalized, or Semi-Machine |
| Applications | - Gearbox foundation blocks- Wind turbine bearing housings- Hydraulic system base plates- Transmission mounting structures in power equipment |
| Testing & Inspection | - Chemical Analysis: Optical Emission Spectrometry- Mechanical Testing: Tensile, Hardness- NDT: Ultrasonic Testing (UT), Magnetic Particle Testing (MT)- Dimensional Inspection: Full-size calibrated measurements |
High tensile strength and excellent toughness
Good hardenability and uniform microstructure after heat treatment
Excellent fatigue and impact resistance under heavy load conditions
Available in annealed or quenched & tempered condition
Custom sizes and weights from 100 kg to 7 tons available on request
Wind Power: Main bearing housings, hub connection blocks, pitch system components
Gearboxes: Gear block bodies, transmission support parts
Hydraulic Systems: Cylinder blocks, valve body bases
Heavy Equipment: Load-bearing structural blocks for presses, cranes, and rollers
General Industry: Forged base plates and pre-machined blanks for custom fabrication
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)
1. What is your forging weight range?
We produce forged parts ranging from 100 kg to 7000 kg.
2. Do you provide heat treatment and machining?
Yes, we offer full in-house heat treatment, rough, and finish machining services.
3. Which industries do you supply to?
We serve wind energy, heavy equipment, port machinery, transmission systems, and more.
4. What is your production lead time?
With stock: Around 30 days
Without stock: 40–45 days
5. Where is your factory located?
In Changzhou City, near Shanghai, with shipping via Shanghai Port.
Request a Quote
Please send your technical drawings and requirements to us. Our engineers will review and provide you with a professional quotation and solution shortly.
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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