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EN24 (AISI 4340) Alloy Steel
High tensile alloy steel capable of retaining good impact values at low temperatures.
EN24: High Performance Engineering Steel
EN24 (also known as 817M40) is a high tensile alloy steel known for its excellent wear resistance and high strength properties. It is suitable for components subjected to high stress and heavy loads.
Key Features & Properties
- Composition: Nickel-Chromium-Molybdenum alloy.
- Strength: Can be heat treated to high tensile strengths (up to 1550 N/mm²).
- Toughness: Top-tier toughness and fatigue resistance.
- Hardenability: Excellent hardenability for large sections.
Typical Applications
- Heavy duty axles and shafts
- Turbine shafts and rotors
- High-load gear components
- Aerospace components
Technical Specifications
EN24 is a popular grade for through-hardening. It offers a good combination of strength, ductility, and wear resistance. Equivalent to AISI 4340.
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