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Heavy-Duty Nickel Chromium Molybdenum Steel
EN24 Steel EN 24/18CrNiMo6/
EN24 is a high-performance, high-strength alloy steel specifically designed for heavy-duty engineering applications. Known for its exceptional toughness and high tensile strength, it is primarily used in a quenched and tempered condition to handle extreme mechanical stresses. Its sophisticated nickel-chromium-molybdenum alloy composition ensures reliable hardenability even in large sections, making it ideal for the most demanding industrial components.
Key Features
- Extreme tensile strength & toughness
- Superior fatigue & impact resistance
- Deep hardening for thick sections
- Excellent shock-loading capability
- Reliable high-stress performance
Main Applications
- Heavy-duty drive shafts & gears
- Industrial crankshafts & axles
- High-tensile studs & bolts
- Structural connecting rods
- Critical aerospace components
International Standards Comparison
| DIN/WNr | EN Name | AISI/SAE | JIS | BS |
|---|---|---|---|---|
| 1.6582 | 34CrNiMo6 | 4340 | SNCM439 | EN24 |
Chemical Composition (Typical Analysis in %)
| C | Si | Mn | Cr | Ni | Mo |
|---|---|---|---|---|---|
| 0.36-0.44 | 0.10-0.35 | 0.45-0.70 | 1.00-1.40 | 1.30-1.70 | 0.20-0.35 |
Material properties & performance
- Depth Hardening: Consistent through-hardening for large cross-sectional parts.
- Load Capacity: Designed to withstand extreme dynamic and static loads.
- Machinability: Very manageable in the annealed state for precision tolling.