40CrNiMo, C45, 42CrMo Custom Heavy Steel Forgings for Industrial,Power Use. This series of forgings are made of 40CrNiMo, C45, 42CrMo high-performance steel, and are precisely formed through free forging/die forging processes, and are equipped with heat treatment technologies such as quenching and tempering, normalizing, and surface strengthening.
They are specially designed to provide high-strength, wear-resistant, and long-life core component solutions for heavy machinery transmission systems, generator rotors, and high-load industrial equipment.
- Multi - material choice: 40CrNiMo for high strength, C45 for cost - effective machining, 42CrMo for top - notch mechanicals.
- Tailored production: According to customer requirements, forging is carried out strictly according to the drawings
- Precision processes: Forging ratio 3:1; strict heat treatment.
- Rigorous checks: Chemical analysis, ultrasonic flaw detection; key specs .
- Top - tier performance: Handles high stress, extreme conditions; long service life.
- Cost - efficient: Smart material use, low maintenance costs.
- Quality - assured: Comply with standards
- Full - service: Expert - led support from design to delivery.
- Industry: Machinery parts (gears, shafts), petrochemical high - pressure components, mining wear - resistant parts.
- Power: Generator rotors, transmission tower connectors, ensuring power system reliability.
| Item |
Details |
| Product Name |
40CrNiMo, C45, 42CrMo Custom Heavy Steel Forgings for Industrial,Power Use |
| Material Grades |
- Medium/high-carbon and alloy steels designed for structural integrity- Customized steel compositions for static and dynamic heavy-load conditions |
| Forging Equipment |
- Hydraulic Presses: 5T, 8T, 12T- Capable of producing large cross-section forged blocks with uniform grain flow |
| Manufacturing Process |
Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Final Machining (if required) → Dimensional Inspection → Packaging |
| Forging Ratio |
≥ 3.0 — Enhances internal grain density and resists deformation under high-pressure loads |
| Applications |
- Structural bases for crushers and presses- Machine bed blocks for rolling mills- Frame blocks for large gear housings- Mounting blocks for heavy hydraulic assemblies |
| Delivery Conditions |
- Delivered in heat-treated condition- Optional: As-forged, stress-relieved, or semi-machined states available |
| Testing & Inspection |
- Chemical Analysis (Optical Spectrometry)- Mechanical Testing: Tensile, Hardness- Non-Destructive Testing: Ultrasonic Testing (UT), Magnetic Particle Testing (MT)- Dimensional Inspection |
Process flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
Frequently Asked Questions (FAQs)
1. What is your forging weight capacity?
We specialize in forged parts ranging from 100 kg up to 7,000 kg, covering a wide spectrum of medium to large-sized components for industrial applications.
2. Do you provide heat treatment and machining services?
Yes. We offer complete in-house solutions, including heat treatment (normalizing, quenching & tempering, annealing), rough machining, and precision finish machining — ensuring full control over quality and lead time.
3. Which industries do you serve?
Our forgings are widely used in:
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Wind power equipment
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Heavy construction and mining machinery
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Port and crane systems
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Gear transmission systems
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Oil & gas and metallurgy industries
We also support OEM customization for other high-performance applications.
4. What are your typical production lead times?
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In-stock semi-finished parts: Approximately 30 days
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New production orders: Typically 40–45 days, depending on size and processing requirements
5. Where are you located, and how do you ship?
Our production facility is located in Changzhou City, Jiangsu Province, close to Shanghai. We export globally through Shanghai Port, ensuring efficient inland transport and international shipping.
Request a Quote
To receive a tailored quotation, please share your technical drawings, material specifications, and any special requirements with us.
Our engineering team will carefully review your request and respond promptly with a professional solution, including pricing, lead time, and technical recommendations.
We support both custom forgings and OEM projects, and are happy to assist with any early-stage design consultation as needed.
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