Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | ,T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30 days |
| Packaging Details | Pallet |
| Material | 42CrMo, 18CrNiMo7-6 |
| Production Lead time | 30 days |
| Machining | CNC Rough Machining or Forged Blanks |
| High Light | We supply all sizes for ZPMC crane wheels for all over the world |
| Heat Treatment | Normalizing and tempering |
| Testing | UT & MT |
| Oil Protecting | Provided |
| Hardness | as Demand |
| Brand Name | Tiangong |
| Model Number | TG-002 |
| 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 | 30 days | Packaging Details | Pallet |
| Material | 42CrMo, 18CrNiMo7-6 | Production Lead time | 30 days |
| Machining | CNC Rough Machining or Forged Blanks | High Light | We supply all sizes for ZPMC crane wheels for all over the world |
| Heat Treatment | Normalizing and tempering | Testing | UT & MT |
| Oil Protecting | Provided | Hardness | as Demand |
| Brand Name | Tiangong | Model Number | TG-002 |
| Certification | ISO9001, ISO14001,ISO45001 | Place of Origin | Changzhou, China |
| High Light | ISO45001 Forged Gear ，Forged Gear 100kg ，gear steels 7000kgs | ||
Industrial gearbox precision forgings - customized solutions, weight range from 100kg to 7000kg. Our precision forged steel parts are designed to meet the stringent requirements of industrial gearbox systems, with superior strength, durability and dimensional accuracy. Forging weights range from 100kg to 7000kg, and we provide customized forging solutions for a variety of heavy-duty applications, including wind power, mining, port machinery, metallurgy and petrochemical industries.
Each forging is produced with high-quality carbon steel or alloy steel materials, such as 42CrMo, 45#, 18CrNiMo7-6 and other industry standard grades. With advanced forging equipment and precision processing capabilities, we ensure that the products have the best mechanical properties, uniform grain structure and strict tolerance control.
| Item | Details |
|---|---|
| Materials | 20CrMnTi, 18CrNiMo7-6, 42CrMo, etc. |
| Forging Equipment | 5-ton, 8-ton, 12-ton hydraulic hammers |
| Application | Drive shafts for power transmission |
| Manufacturing Process | Forging + Heat Treatment + Rough Machining |
| Forging Ratio | ≥ 3 |
| Delivery Condition | Rough machined (Normalized + Tempered, N+T) |
| Testing Equipment | Spectrometer, UT device, tensile tester, impact tester, metallographic microscope, outside micrometer, dial bore gauge, hardness tester |
| Services | Forging, machining, heat treatment, packaging, local logistics, customs clearance, and sea freight. Customer-oriented, quality-focused. |
主要检测设备如下:
| No. | Equipment |
|---|---|
| 1 | Spectral Composition Analyzer |
| 2 | Impact Testing Machine |
| 3 | Low-Temperature Chamber for Impact Testing |
| 4 | Ultrasonic Flaw Detector |
| 5 | Brinell Hardness Tester |
| 6 | Rockwell Hardness Tester |
| 7 | Digital Hydraulic Universal Testing Machine |
| 8 | Metallographic Microscope |
| 9 | Programmable Box-Type Furnace |
Our forged gear shafts have the following material characteristics:
High Strength: Gear shafts must withstand torque and heavy loads without deformation.
Good Machinability: Ease of manufacturing and precision are essential for efficient production.
Low Notch Sensitivity Coefficient: Minimizes stress concentration points to prevent premature failure.
Excellent Heat Treatment Performance: Ensures durability, wear resistance, and fatigue strength.
High Wear Resistance: Gear shafts should maintain a long service life even under harsh conditions.
Steel Forging Production Process:
Raw steel ingot storage (chemical composition test) → Cutting → Heating (furnace temperature test) → Heat treatment after forging (furnace temperature test) → Discharge from furnace (blank inspection) → Machining → Inspection (UT, MT, visual dimension, hardness) → Quenching & Tempering (QT) → Inspection (UT, mechanical properties, hardness, grain size) → Final dimension inspection → Packaging and marking (steel stamp, labeling) → Warehousing and delivery.
Key Features:
Weight Range: 100 kg to 7000 kg
Materials: 42CrMo, 18CrNiMo7-6, 35#, 45#, etc.
Forging Process: Open-die forging / Free forging
Machining: Rough machining as per drawings
Heat Treatment: Normalizing, tempering
Applications:
Gear shafts and gear blanks for industrial gearboxes
Transmission components for wind turbines and heavy machinery
Custom forgings for power generation and metallurgical equipment
Frequently Asked Questions (FAQ)
What is your forging weight range?
Our forgings range from 100 kg to 7000 kg.
Do you provide heat treatment and machining services?
Yes, we offer complete in-house heat treatment, rough, and finish machining services.
Which industries do you serve?
We serve wind energy, heavy equipment, port machinery, and transmission systems.
What is your production lead time?
With stock: Around 30 days
Without stock: 40–45 days
Where is your factory located?
We are located in Changzhou, near Shanghai, with convenient access to Shanghai Port.
We look forward to your inquiry.
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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