The 18CrNiMo7-6 Alloy Steel Forged Shaft Blank for Wind Power Main
Shaft Assembly is specifically engineered to meet the demanding mechanical and
fatigue requirements of modern wind turbines. Forged from
high-grade 18CrNiMo7-6 alloy steel, this shaft blank provides
superior core hardness, excellent impact resistance, and
outstanding toughness under fluctuating loads. With its optimized grain flow and uniform metallurgical structure
achieved through open-die forging and precision heat treatment,
this forged shaft blank is ideal for use as a main shaft component
in large-scale wind power systems.
| Item | Details (Wind Turbine Main Shaft – 18CrNiMo7-6) |
|---|
| Available Materials | 18CrNiMo7-6 (primary), with optional grades including 20CrMnTi,
20CrMnMo, 42CrMo4, 17NiCrMo6-4, 35CrMo, C45, 20CrMo, etc. | | Forging Equipment | Open-die hydraulic hammers (5T / 8T / 12T) – Ideal for long shaft
deformation and precise grain alignment | | Application Field | Designed as a main shaft in wind turbine transmission systems, transferring torque under variable loading conditions | | Manufacturing Process | Forging → Heat Treatment (Normalizing + Tempering) → Rough
Machining – Guarantees internal strength and dimensional
consistency | | Forging Ratio | ≥ 3.0 – Ensures optimal fiber flow direction, improving fatigue resistance and impact performance | | Delivery Condition | Supplied as rough-machined and normalized + tempered, with stress relief for machining stability | | Testing & Inspection | Equipped with spectrometer, ultrasonic flaw detector, tensile & impact testers, metallographic microscope, and full-range dimensional gauges | | Integrated Services | End-to-end support including forging, heat treatment, machining, packaging, inland transport,
export clearance, and ocean freight. We prioritize customer specs and product quality at every step. |
These are the main inspection equipments:
| Our Lab inspection equipment | | 1 | Spectral component analyzer | | 2 | Impact strength testing machine | | 3 | Impact test cryogenic tank | | 4 | Ultrasonic flaw detector | | 5 | Brinell hardness tester | | 6 | Rockwell hardness tester | | 7 | Digital hydraulic universal testing machine | | 8 | H.Metallurgical microscope | | 9 | Program-controlled box furnace |
Key FeaturesMaterial: 18CrNiMo7-6 – A low-carbon alloy steel known for high
hardenability, wear resistance, and fatigue strength Forging Process: Open die forging for enhanced structural integrity and
directional grain flow Condition: Delivered as a rough machined blank, with optional normalizing
and tempering for improved mechanical properties Performance: Excellent load-bearing capacity and dimensional stability under
continuous wind turbine operation Customization: Available in custom dimensions and machining tolerances according
to customer specifications
ApplicationsThis forged shaft blank is widely used in: Wind Power Main Shaft Assemblies Yaw and Pitch Drive Systems in Wind Turbines Heavy-Duty Gearbox Shafts for Renewable Energy Systems Large Rotating Equipment in Power Generation
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