The 42CrMo4 heavy duty steel forging blank is specially engineered for port crane wheels, where extreme load-bearing capacity, repeated impact resistance, and dimensional durability are critical.
Forged from 42CrMo4 alloy steel—a chromium-molybdenum high-strength material —this blank undergoes open die forging and heat treatment to achieve excellent toughness, wear resistance, and fatigue strength, making it ideal for heavy-duty trolley wheels, traveling wheels, and lifting mechanisms operating in port terminals and shipyards.
| Item | Details |
| Product Name | 42CrMo4 Heavy Duty Steel Forging Blank for Port Crane Wheels |
| Material Grades | - High-strength alloy steel: 42CrMo4 - Excellent combination of impact toughness, wear resistance, and load capacity - Suitable for dynamic loading and braking scenarios common in port crane operations |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T - Capable of large-section open die forging - Optimized for producing heavy wheel blanks and crane running components |
| Manufacturing Process | Forging → Heat Treatment → Rough or Finish Machining → Dimensional & NDT Inspection |
| Forging Ratio | ≥ 3.0 — Ensures uniform fiber flow, reduced internal stress, and enhanced fatigue resistance under repetitive mechanical loads |
| Applications | Forged blanks specially developed for: - Port crane wheels, trolley drive wheels, gantry crane running gears - Ideal for steel mills, shipyard cranes, and container terminals - Designed to handle abrasive surfaces, thermal variation, and cyclical impact conditions |
| Heat Treatment Options | - Normalized + Tempered (N+T): For rough machined parts - Quenched + Tempered (Q+T): For high-performance wheels with greater hardness and wear resistance |
| Testing & Inspection | - Chemical Composition: Verified via spectrometer - Mechanical Performance: Strength, impact, and hardness evaluation - Ultrasonic Testing: Internal soundness check - Dimensional Accuracy: Precision gauges, dial indicators - Grain Structure: Metallographic examination post-heat treatment |
| Value-Added Services | - Custom wheel hub, bore, and flange profiles available - Surface treatment, anti-rust packaging, and CNC finishing offered - Global shipment support with export packaging and port-side delivery coordination |
The steel forgings production flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
Application Scope
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Port Gantry Cranes: Traveling wheels, drive wheels, sheave wheels
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Container Cranes & RTGs: Heavy-load wheel blanks for horizontal movement systems
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Shipyard Gantry Lifts: Forging blanks used for trolley lifting components
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Steel Mill or Logistics Terminals: Industrial wheels subjected to abrasive surfaces and thermal gradients
Competitive Advantages:
Flexible, custom forging solutions tailored to client specifications
Raw materials sourced from reputable, certified steel mills
Short lead times and reliable delivery
Full traceability and stringent quality control at every step
Ideal for secondary machining and component manufacturing
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.
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42CrMo4 Heavy Duty Steel Forging Blank for Port Crane Wheels Images
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