Changzhou Tiangong Forging Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 56000 Tons per year |
| Delivery Time | 30days |
| Packaging Details | Pallet |
| Heat Treatment | Normalizing and tempering |
| Transport Package | Pallet |
| Machining | Hydraulic Hammers |
| Surface Finish | Smooth or Customizable |
| Advantages | High strength |
| Type | Open die forging |
| Material | Alloy steel |
| Apply | Port Crane and Heavy Lifting Equipment |
| 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 |
| Heat Treatment | Normalizing and tempering | Transport Package | Pallet |
| Machining | Hydraulic Hammers | Surface Finish | Smooth or Customizable |
| Advantages | High strength | Type | Open die forging |
| Material | Alloy steel | Apply | Port Crane and Heavy Lifting Equipment |
| Brand Name | Tiangong | Certification | ISO9001, ISO14001,ISO45001 |
| Place of Origin | Changzhou, China | ||
| High Light | open die casting forge ，casting forge heavy lifting equipment ，large open die forgings | ||
Large Section Open Die Forgings for Port Crane and Heavy Lifting Equipment. Our large section open die forgings are engineered for demanding lifting and structural applications in port handling systems, gantry cranes, offshore hoisting units, and other heavy-duty lifting equipment. Manufactured from high-strength carbon or alloy steels, these forged components offer exceptional mechanical stability, fatigue resistance, and dimensional reliability under fluctuating and high-load conditions.
Key Features:
High Load Capacity: Large cross-sectional forging ensures excellent performance under tensile, compressive, and bending loads.
Enhanced Fatigue Strength: Directional grain flow improves durability under repetitive stress cycles common in lifting operations.
Superior Machinability: Heat treatment options such as normalizing and tempering provide a balance of strength and machinability.
Dimensional Precision: Post-forging machining and metrological inspection ensure tight tolerances for complex assemblies.
Customized Design: Shapes and sizes tailored to specific structural and dynamic requirements of cranes and hoisting equipment.
Typical Applications:
Main shafts and spindle forgings for gantry and tower cranes
Yokes, couplings, and bearing housings in hoisting systems
Load-bearing frames, support arms, and lifting brackets in port and offshore cranes
Structural reinforcements in heavy material handling machinery
| Item | Details |
|---|---|
| Product Name | Large Section Open Die Forgings for Port Crane and Heavy Lifting Equipment |
| Material Grades | - Alloy steels engineered for high strength and toughness to withstand heavy lifting loads and dynamic stresses- Customized alloy compositions to ensure optimal fatigue resistance and impact toughness in crane and heavy lifting applications |
| Forging Equipment | - Hydraulic Hammers:5T, 8T, 12T, - Capable of producing large, thick-section forgings with uniform grain flow suitable for structural components in port cranes and heavy lifting machinery |
| Manufacturing Process | Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Final Machining (if required) → Dimensional Inspection → Packaging → Delivery |
| Forging Ratio | ≥ 3.0 — Ensures enhanced structural integrity, improved internal density, and superior fatigue performance for demanding lifting operations |
| Applications | - Large sections such as crane booms, hooks, load pins, axle shafts, and lifting arms for port cranes and heavy lifting equipment- Structural components subject to high dynamic loads, impact, and abrasion |
| Delivery Conditions | - Delivered in heat-treated condition: Normalizing + Tempering to optimize strength and toughness- Optional rough-machined or annealed forms available based on customer requirements |
| Testing & Inspection | - Chemical Analysis by Optical Spectrometry- Mechanical Testing: Tensile, Impact, Hardness- Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT)- Dimensional inspection using precision metrology tools |
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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