Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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42CrMo Port Machine ISO Forgings – Heavy-Duty Crane Wheel Manufacturer.As an ISO-certified manufacturer, we specialize in producing high-strength 42CrMo forged components for port machinery, especially heavy-duty crane wheels. Using precision open die forging, we deliver components with excellent mechanical performance, dimensional accuracy, and fatigue resistance—ideal for demanding industrial applications such as quay cranes and container handling systems.
Product Highlights:
Material: 42CrMo
Process: Open die forging, heat treated
Weight Range: 100–7000 kg
Machining: Rough machining per drawing
Inspection: 100% UT/MT/PT
Applications:
Quay and gantry cranes
Container handling systems
Port terminal machinery
Rail-mounted crane wheels
Heavy industrial lifting equipment
Why Choose Us:
Custom material grades and dimensions
Certified steel sources and full traceability
Proven track record as a supplier to top-tier OEMs
Strict quality control and third-party inspection support
We design and manufacture forged parts for all industrial areas applying our experience and unique professionalism and taking the specific requirements of the markets into account. This has led us to become a forging industry leader in all industrial segments and collaborating with leading companies.
A. Wind power generation
B. Port Heavy Machinery
C. Mining
D. Ship Building
E. Chemical industrial
F. Oil industrial
Customized solutions
Modular processes allow us to engineer a solution for almost every industrial application requiring free forged parts. Our modularity means flexibility, a wide range of options, faster delivery, and most important of all, competitiveness.
All our products and production process have been designed to assure excellent, reliable and long lasting unique mechanical performances, resulting in reduced operating costs and long life.
With a wide range of products and a significant experience gained in most industrial applications, we can also provide complete engineering recommendation for customers.
| Item | Details |
|---|---|
| Product Name | 42CrMo Port Machine ISO Forgings – Heavy-Duty Crane Wheel Manufacturer |
| 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)
What forging weight range do you offer?
We manufacture forged components from 100 kg up to 7000 kg, depending on customer requirements.
Can you perform heat treatment and machining in-house?
Yes, we provide complete in-house services, including heat treatment, as well as rough and finish machining.
Which industries do you mainly serve?
Our forged products are widely used in wind power, port handling equipment, heavy machinery, transmission gear systems, and other industrial sectors.
How long is your typical production lead time?
If material is in stock: approximately 30 days
If material needs sourcing: around 40–45 days
Where are you located?
Our production facility is based in Changzhou, Jiangsu Province, conveniently close to Shanghai Port for fast and reliable global shipping.
Request a Quote
Kindly share your technical drawings and specific requirements with us. Our engineering team will promptly evaluate your needs and provide a tailored quotation and technical solution.