EN24 steel is a high-strength alloy steel widely used in aerospace manufacturing for components requiring superior toughness and fatigue resistance. This article covers EN24 steel properties, key aerospace applications, and its availability from suppliers to the U.S. market.
What is EN24 Steel?
EN24, also known as 817M40 steel, is an alloy steel with nickel, chromium, and molybdenum, offering high strength and toughness.
Chemical Composition
| Element | Percentage (%) |
| Carbon (C) | 0.36 – 0.44 |
| Chromium (Cr) | 1.35 – 1.65 |
| Nickel (Ni) | 1.90 – 2.20 |
| Molybdenum (Mo) | 0.20 – 0.35 |
Mechanical Properties
| Property | Typical Range |
| Tensile Strength | 850 – 1100 MPa |
| Yield Strength | 650 – 950 MPa |
| Hardness (HB) | 230 – 280 |
| Fatigue Resistance | Excellent |
Aerospace Applications of EN24 Steel
- Aircraft landing gear components.
- Engine shafts and gears.
- Structural components requiring high fatigue resistance.
- Aerospace fasteners and high-load bearings.
Importance of Quality and Certification
Aerospace applications demand strict adherence to standards like AMS, ASTM, and ISO certifications. Material traceability, mechanical testing, and batch certifications are essential.
Table: EN24 Steel Supplier Comparison for U.S. Aerospace Sector
| Feature | Domestic Suppliers (USA) | Indian Suppliers (Dhand Steels) |
| Certifications | AMS, ASTM certified | ISO, ASTM certified with export experience |
| Quality Control | Stringent aerospace quality control | Advanced testing & documentation |
| Pricing | Higher due to aerospace grade | Competitive export pricing |
| Delivery Time | Faster local delivery | Predictable with planning |
Why Source EN24 Steel from India?
- Cost advantages without compromising quality.
- Exporters like Dhand Steels maintain aerospace-grade certifications.
- Capacity to supply large aerospace manufacturing projects.
- Experienced in global aerospace supply chains.
Tips for Aerospace Manufacturers
- Verify detailed material test reports and certifications.
- Ensure supplier traceability and compliance with aerospace standards.
- Plan procurement schedules considering lead times for imports.
Summary
EN24 steel’s high strength and toughness make it indispensable for aerospace manufacturing in the USA. Indian exporters like Dhand Steels provide a competitive and reliable supply option, meeting the rigorous quality standards required by aerospace engineers and manufacturers.
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