18CrNiMo7-6,4140, 42CrMo4 Carbon Steel Alloy Steel for Industrial Gears Drive
Industrial Drive Shaft Forged from 4140/42CrMo4 Steel for Wind & Port Machinery. Our industrial drive shafts are precision-forged from high-quality 4140 / 42CrMo4 alloy steel, known for their excellent toughness, fatigue resistance, and high tensile strength. These forged components are engineered to meet the rigorous demands of heavy-duty applications, especially in wind power systems, port handling equipment, and marine machinery.
| Item | Details |
|---|---|
| Product Name | Industrial Drive Shaft Forged from 4140/42CrMo4 Steel for Wind & Port Machinery |
| Material Grades | 4140/42CrMo4 |
| 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 | wind turbines, port cranes, hoisting systems, mining crushers, and industrial gearboxes, where high strength, torque resistance, and durability are required. |
| Delivery Conditions | - N+T (Normalized + Tempered): For pre-machined rough parts |
| Testing & Inspection | - Chemical Analysis: Optical Emission Spectrometry - Mechanical Tests: Tensile , Impact - NDT: UT , MT - Dimensional Control: Bore dial indicators, precision micrometers - Metallography: Grain size & microstructure |
Key Features:
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Material: Premium 4140 / 42CrMo4 alloy steel for optimal mechanical properties
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Process: Free forging or die forging with strict metallurgical controls
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Applications: Wind turbine gearboxes, port cranes, heavy-duty industrial transmissions
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Heat Treatment: Normalizing, quenching, and tempering for maximum durability
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Customization: Sizes and specifications tailored to your exact needs
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Standards: ISO 9001, ISO 14001, ISO 45001 certified manufacturing process
Advantages:
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High strength and toughness
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Excellent fatigue and wear resistance
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Custom sizes and machining available
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OEM/ODM service based on drawings
Specifications
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Weight Range: 100 kg – 7 tons (customized to accommodate both medium-size drive shafts and large-section marine components)
- Machining-Ready Surface: Delivered with precise allowances for final CNC finishing
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Grain Structure: Refined through forging ratio ≥3.0 and controlled heat treatment
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Dimensional Tolerance: Custom tolerances per project needs
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