Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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Customized forged wheels for quay cranes, bridge cranes, and container cranes. Our customized forged crane wheels are engineered for demanding applications in port handling equipment such as quay cranes, bridge cranes, and container cranes. Manufactured through precision forging and heat treatment processes, these wheels offer superior mechanical strength, excellent wear resistance, and extended service life, even under heavy-duty and high-load conditions.
Key Features:
Material Options: 42CrMo or tailored alloy steel grades upon request.
Heat Treatment: Normalizing, tempering, or induction hardening to achieve optimal surface hardness and core toughness.
Customization: Available in various diameters, rim profiles, and hub configurations to match your specific crane system requirements.
Load Capacity: Designed to handle high axial and radial loads with excellent fatigue resistance.
Precision Machining: All wheels are CNC-machined and inspected to ensure strict dimensional tolerance and perfect roundness.
Applications:
These forged wheels are widely used in heavy-duty lifting equipment operating in port terminals, shipyards, intermodal yards, and industrial plants. They are suitable for both single and double-flanged wheel configurations and meet the operational standards of leading crane systems worldwide.
Advantages:
Long-lasting performance in harsh environments
Reduced maintenance and replacement costs
High reliability and safety under continuous operation
Support for OEM or custom drawings
Advanced Laboratory Testing Capabilities
To ensure the highest standards of product quality and performance, our in-house laboratory is equipped with a comprehensive range of advanced testing instruments:
Optical Emission Spectrometer (OES): Performs rapid and accurate analysis of chemical composition to verify raw material and alloy conformity.
Servo-Controlled Universal Testing Machine: Measures tensile strength, yield strength, and elongation properties under various load conditions.
Impact Testing System with Cryogenic Chamber: Evaluates impact toughness at both ambient and sub-zero temperatures, ensuring reliability in extreme environments.
Brinell & Rockwell Hardness Testers: Assess surface and core hardness to confirm heat treatment effectiveness and material durability.
Ultrasonic Testing (UT) Device: Detects internal discontinuities and subsurface defects with high sensitivity for critical safety applications.
Metallurgical Microscope: Provides microstructural analysis of grain size, phase distribution, and heat treatment results.
Programmable Muffle Furnace: Enables precise thermal simulations for metallurgical evaluation and process validation.
| Item | Details |
|---|---|
| Product Name | Customized forged wheels for quay cranes, bridge cranes, and container cranes |
| Material Grades | - Carbon and Alloy Steels: 42CrMo, 18CrNiMo7-6, 20CrNi2Mo, 4340, 35CrMo, 20CrMnTi, 20CrMnMo |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T - Supports large-section open die forging |
| Manufacturing Process | Forging → Heat Treatment → Rough Machining → Dimensional & NDT Inspection |
| Forging Ratio | ≥ 3.0 — Ensures fine grain refinement, enhanced tensile strength, and excellent internal soundness for heavy-duty operation |
| Applications | Precision-forged components for: - Gearbox main shafts - Thrust flanges and coupling hubs - Marine transmission and propulsion shafts - Rudder stocks and steering gear drives - Suitable for both marine and industrial mechanical systems |
| Delivery Conditions | - N+T (Normalized + Tempered): For pre-machined rough parts |
| Testing & Inspection | - Chemical Analysis: Optical Emission Spectrometry - Mechanical Tests: Tensile , Impact , Hardness - NDT: UT , MT - Dimensional Control: Bore dial indicators, precision micrometers |
Forging process flow quality control:
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)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment.
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.