Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Application | Industrial drive units used in mining, power generation, metallurgy, cement production, and large material handling equipment - Gears for heavy-duty reducers, crane gearboxes, rolling mills, and marine drives - Suitable for environments with high torque, v |
| Origin Of Goods | Changzhou, Jiangsu |
| Industry | Free Forging & Open Die Forging |
| Forging Weight | 100kg|100kg-7ton or Customized |
| Usage | High Load Industrial Drive Units |
| Size | According to the drawings provided by customers |
| Resistance | Corrosion and Wear |
| Product Type | Forged Gear |
| Durability | High |
| 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 | Industrial drive units used in mining, power generation, metallurgy, cement production, and large material handling equipment - Gears for heavy-duty reducers, crane gearboxes, rolling mills, and marine drives - Suitable for environments with high torque, v | Origin Of Goods | Changzhou, Jiangsu |
| Industry | Free Forging & Open Die Forging | Forging Weight | 100kg|100kg-7ton or Customized |
| Usage | High Load Industrial Drive Units | Size | According to the drawings provided by customers |
| Resistance | Corrosion and Wear | Product Type | Forged Gear |
| Durability | High | UT | Optional level |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | 7ton powdered metal gears ，Forged powdered metal gears 5T ，High Load Industrial die forging | ||
The Alloy Steel Forged Gear for High Load Industrial Drive Units is engineered for demanding applications that require exceptional mechanical strength, wear resistance, and operational reliability. Manufactured from premium alloy steels such as 42CrMo4, 18CrNiMo7-6, or custom grades, each gear is forged with a high reduction ratio to refine internal grain structure and improve load-bearing performance.
Designed for heavy-duty gearboxes in mining, metallurgy, material handling, and cement production, these forged gears are capable of withstanding continuous torque, dynamic impact, and extreme working conditions. Depending on application requirements, surface hardening processes such as carburizing or induction hardening are applied to enhance tooth durability without compromising the ductility of the gear core.
Precision machining and advanced gear measurement ensure tight tolerances, proper tooth geometry, and smooth power transmission. Gears can be delivered as rough-machined or fully finished, tailored to meet customer-specific design and performance needs.
| Item | Details |
|---|---|
| Product Name | Alloy Steel Forged Gear for High Load Industrial Drive Units |
| Material Grades | - Alloy steels such as 42CrMo4,or custom-engineered grades designed for heavy-duty transmission performance in industrial drive systems |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T - Capable of open die forging for large and medium-sized gears |
| Manufacturing Process | Forging → Heat Treatment → Rough Machining → Gear Hobbing/Shaping → (Optional) Gear Grinding → Dimensional & Non-Destructive Inspection |
| Forging Ratio | ≥ 3.0 — Improves structural integrity, internal compactness, and load-bearing capacity under high stress and continuous torque |
| Heat Treatment Options | - Quenching + Tempering to enhance core strength and toughness - Surface hardening options like Carburizing or Induction Hardening to improve tooth wear resistance based on service conditions |
| Applications | - Industrial drive units used in mining, power generation, metallurgy, cement production, and large material handling equipment - Gears for heavy-duty reducers, crane gearboxes, rolling mills, and marine drives - Suitable for environments with high torque, variable load conditions, and demanding service life requirements |
| Process Compliance | Fully customized production based on client technical drawings and application requirements |
| Delivery Conditions | - Heat treated and supplied as rough-machined or finish-machined gears - Optional hardened teeth for extended gear life in abrasive or high-cycle operations |
| Testing & Inspection | - Chemical Composition Analysis - Mechanical Properties: Tensile Strength, Impact Resistance, Hardness - Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT) |
High Strength & Load Capacity
Forged from premium alloy steels such as 42CrMo4, 18CrNiMo7-6, these gears offer superior tensile strength and are capable of withstanding extreme loads and torque transmission.
Enhanced Toughness & Fatigue Resistance
The forging process refines the grain structure, resulting in high impact resistance and long-term durability under cyclic loading.
Precision Machining & Heat Treatment
Each gear undergoes CNC machining and customized heat treatment to achieve high surface hardness and optimized core toughness.
Optimized Gear Geometry
Engineered tooth profiles ensure smooth engagement, low vibration, and high efficiency in power transmission.
Customizable Design
Dimensions, and material grades can be tailored based on client requirements and operational conditions.
Wind Turbine Gearboxes
Essential for main shaft and intermediate stages in multi-megawatt wind turbines, ensuring stable torque transfer under fluctuating wind loads.
Mining & Metallurgy Equipment
Used in crushers, conveyors, and heavy-duty gear reducers operating under continuous heavy-duty cycles and harsh environments.
Port & Hoisting Machinery
Applied in gear mechanisms of large gantry cranes, winches, and lifting systems requiring high torque and reliable power delivery.
Oil & Gas Transmission Systems
Integrated into drilling rigs, pump drives, and other oilfield power units for dependable, long-lasting performance.
Marine Propulsion & Deck Machinery
Suitable for ship gear drives and deck handling systems where high load capacity and corrosion resistance are critical.
Heavy Industrial Gearboxes
Core components in gear units used in steel mills, cement plants, and heavy-duty transmission systems for industrial automation.
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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