Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Application | Industrial Drives |
| Section shape | Customizable |
| Secondary or not | Non-secondary,No,we are new product |
| Material | carbon steel |
| Oem/Odm | Available |
| Port | Shanghai |
| Test Report | UT ,SIZE ,MATERIAL |
| Forging Ratio | 3 |
| 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 |
| Application | Industrial Drives | Section shape | Customizable |
| Secondary or not | Non-secondary,No,we are new product | Material | carbon steel |
| Oem/Odm | Available | Port | Shanghai |
| Test Report | UT ,SIZE ,MATERIAL | Forging Ratio | 3 |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | high Precision carbon steel forging ，precision carbon steel forgings ISO45001 ，Blank Forgings | ||
Precision Carbon Steel Gear Blank Forgings are near-net-shape components manufactured for industrial gear systems. Produced through precision open die forging or free forging using carbon steels , these blanks feature optimized machining allowances and dimensional stability. Designed as foundational components for high-torque gears in power transmission equipment.
Controlled Machining Allowance
Forging tolerances minimize material waste during gear cutting.
Enhanced Grain Flow
Directional grain structure follows gear contours, improving fatigue life.
Uniform Density
≥3.5:1 forging ratio eliminates internal defects.
Material Consistency
Homogeneous microstructure ensures predictable machining/hardening response.
Cost Efficiency
Near-net shape reduces machining hours by 30-40% vs. solid billets.
| Item | Details |
|---|---|
| Product Name | Precision Carbon Steel Gear Blank Forgings for Industrial Drives |
| Material Grades | - carbon steels engineered for strength and machinability - Custom compositions suitable for gear blank applications in heavy-load conditions |
| Forging Equipment | - Hydraulic Presses: 5T, 8T, 12T - Capable of producing large-diameter gear blanks with refined grain structure |
| Manufacturing Process | Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Final Machining (if required) → Dimensional Inspection → Packaging |
| Forging Ratio | ≥ 3.0 — Ensures dense internal structure and high fatigue resistance for rotating transmission parts |
| Applications | - Gear blanks for industrial gearbox assemblies - Transmission components in mining, cement, and lifting machinery - Drive gears for presses, compressors, and mechanical actuators |
| Delivery Conditions | - Delivered in heat-treated condition for stability and machinability - Optional: As-forged, stress-relieved, or semi-machined based on processing requirements |
| Testing & Inspection | - Chemical Analysis via Optical Spectrometry - Mechanical Testing: Tensile, Hardness - Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) - Dimensional accuracy verification using calibrated instruments |
| Industry | Component Use Case |
|---|---|
| Wind Energy | Main gearbox planetary carriers |
| Cement Production | Rotary kiln drive pinions |
| Mining Conveyors | Reducer gear assemblies |
| Steel Rolling | Mill stand gear couplings |
| Marine Propulsion | Reduction gear segments |
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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