Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Application | Gearboxes for mining crushers, conveyors, grinding mills, bucket wheel excavators- Transmission systems in steel mills, sintering machines, and coke ovens- Heavy-duty gear drives for ore processing and material handling equipment |
| Origin Of Goods | Changzhou, Jiangsu |
| Industry | Free Forging & Open Die Forging |
| Forging Weight | 100kg|100kg-7ton or Customized |
| Usage | Metallurgy and Mining Gearboxes |
| Size | According to the drawings provided by customers |
| Resistance | Corrosion and Wear |
| Product Type | Forged Gear |
| Durability | lasting |
| UT | Optional level |
| 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 | Gearboxes for mining crushers, conveyors, grinding mills, bucket wheel excavators- Transmission systems in steel mills, sintering machines, and coke ovens- Heavy-duty gear drives for ore processing and material handling equipment | Origin Of Goods | Changzhou, Jiangsu |
| Industry | Free Forging & Open Die Forging | Forging Weight | 100kg|100kg-7ton or Customized |
| Usage | Metallurgy and Mining Gearboxes | Size | According to the drawings provided by customers |
| Resistance | Corrosion and Wear | Product Type | Forged Gear |
| Durability | lasting | UT | Optional level |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | High Precision large steel gears ，Forged large steel gears ，forged alloy steel for Metallurgy | ||
High Precision Forged Gear for Metallurgy and Mining Gearboxes. Our high precision forged gears are specifically engineered for heavy-duty gearboxes used in metallurgy and mining industries. With superior strength, excellent dimensional accuracy, and outstanding fatigue resistance, these forged gears are built to perform under extreme load conditions and harsh environments.
| Item | Details |
|---|---|
| Product Name | High Precision Forged Gear for Metallurgy and Mining Gearboxes |
| Material Grades | - Alloy steels such as 42CrMo4, 18CrNiMo7-6, or customized grades designed for heavy load and abrasive working conditions |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T- Capable of open die forging for medium to large-sized gear blanks |
| Manufacturing Process | Raw material steel ingot into warehouse(test the chemical composition) → Cutting→ Heating(Furnace temperature test) → Heat treatment after forging(Furnace temperature test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal dimension, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment. |
| Forging Ratio | ≥ 3.0 — Ensures dense grain structure, enhanced fatigue resistance, and long service life under extreme loads and shock conditions |
| Heat Treatment Options | - Normalizing + tempering for improved strength and toughness |
| Applications | - Gearboxes for mining crushers, conveyors, grinding mills, bucket wheel excavators- Transmission systems in steel mills, sintering machines, and coke ovens- Heavy-duty gear drives for ore processing and material handling equipment |
| Process Compliance | - Fully customized manufacturing based on customer drawings, gear parameters, and operating conditions |
| Delivery Conditions | - Heat treated and supplied as rough-machined for extended durability in harsh environments |
| Testing & Inspection | - Chemical Composition Testing- Mechanical Testing: Strength, Toughness, Hardness- NDT: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) |
Superior Mechanical Properties
Made from alloy steels like 42CrMo4, 18CrNiMo7-6, offering high tensile strength, wear resistance, and toughness under shock loads.
Optimized Heat Treatment
Custom heat treatment processes such as carburizing and quenching enhance surface hardness while preserving core toughness for fatigue resistance.
Improved Internal Structure
The forging process eliminates internal porosity and ensures a dense, uniform grain flow, which significantly boosts gear lifespan and reliability.
Heavy Load & Low Noise Operation
Designed for stable performance under high torque and variable speeds, with reduced vibration and noise, suitable for continuous operation.
Custom Engineering Support
We offer full customization in size, module, pressure angle, and material to meet specific gearbox requirements in harsh working environments.
Steel Mills and Rolling Plants
Used in gear reducers for rolling stands, continuous casting equipment, and cooling bed drives, where strength and heat resistance are vital.
Underground and Surface Mining Machinery
Integrated into heavy-duty gearboxes of crushers, conveyors, bucket wheel excavators, and dragline systems.
Ore Processing and Pelletizing Equipment
Critical components in power transmission systems of ball mills, rotary kilns, and pelletizing discs requiring consistent torque under load.
Coke Oven and Sintering Lines
Applied in drive systems for sintering machines, coke pushers, and transfer cars in steel production lines.
Heavy Duty Material Handling Systems
Utilized in large conveyors, hoists, and stacker-reclaimers that demand precision movement and continuous duty cycles.
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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