7024 Aluminum alloy,Aluminum 7024 alloy，E FORU

### **Aluminum 7024 Alloy (EN AW-7024) - Product Introduction** **Aluminum 7024** is a high-strength, heat-treatable aluminum-zinc-magnesium-copper alloy specifically designed for applications requiring excellent strength-to-weight ratio combined with good corrosion resistance. This alloy belongs to the 7xxx series and offers a balanced combination of mechanical properties, making it suitable for aerospace, transportation, and high-performance structural applications. --- #### **1. Chemical Composition** The chemical composition is optimized for high strength and good corrosion resistance: | Element | Content (%) (Typical) | Standard Range | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Zinc (Zn)** | 5.0 - 6.0 | 5.0 - 6.0 | | **Magnesium (Mg)** | 2.0 - 2.8 | 2.0 - 2.8 | | **Copper (Cu)** | 0.8 - 1.5 | 0.8 - 1.5 | | **Zirconium (Zr)** | 0.08 - 0.15 | 0.08 - 0.15 | | **Manganese (Mn)** | 0.05 - 0.15 | 0.05 - 0.15 | | **Chromium (Cr)** | 0.08 - 0.16 | 0.08 - 0.16 | | **Iron (Fe)** | ≤ 0.20 | ≤ 0.20 | | **Silicon (Si)** | ≤ 0.15 | ≤ 0.15 | | **Titanium (Ti)** | ≤ 0.05 | ≤ 0.05 | | **Others (Each)** | ≤ 0.05 | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | ≤ 0.15 | --- #### **2. Physical Properties** Aluminum 7024 exhibits excellent physical properties for structural applications: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.80 g/cm³ | 0.101 lb/in³ | | **Melting Range** | 475 - 635 °C | 887 - 1175 °F | | **Electrical Conductivity** | 36-40 % IACS (T6 Temper) | 36-40 % IACS | | **Thermal Conductivity** | 142-157 W/m·K | 985-1090 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.7 × 10⁻⁶/K | 13.2 × 10⁻⁶/°F | | **Modulus of Elasticity** | 70 GPa | 10,150 ksi | | **Shear Modulus** | 26.5 GPa | 3,840 ksi | --- #### **3. Mechanical Properties** Typical mechanical properties for common tempers: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T6** | 480-530 | 420-470 | 10-14 | 130-140 | | **T651** | 490-540 | 430-480 | 9-13 | 133-143 | | **T7351** | 450-500 | 390-440 | 11-15 | 120-130 | | **T7651** | 470-520 | 410-460 | 10-14 | 125-135 | --- #### **4. International Standards** Aluminum 7024 complies with the following international standards: * **EN:** **EN AW-7024** (3.4332) * **ASTM:** **ASTM B209**, **ASTM B247** * **ISO:** **AlZn5Mg2Cu** under ISO 209 * **JIS:** **JIS H 4040** * **GB/T:** **GB/T 3190** * **AMS:** **AMS 4115** (Aerospace Material Specification) --- #### **5. Product Applications** Aluminum 7024 is used in various high-performance applications: * **Aerospace Structures:** Aircraft components, wing structures * **Transportation:** Railway vehicle components, truck frames * **Marine Applications:** Boat structures, marine components * **Automotive:** High-performance vehicle components * **Industrial Equipment:** Machinery frames, structural supports * **Sports Equipment:** Bicycle frames, sports gear * **Defense Applications:** Military equipment components * **General Engineering:** High-strength structural applications --- #### **6. Key Advantages & Characteristics** * **High Strength-to-Weight Ratio:** Excellent mechanical properties for weight-sensitive applications * **Good Corrosion Resistance:** Adequate resistance for most environmental conditions * **Excellent Fatigue Performance:** Good resistance to cyclic loading * **Good Toughness:** Balanced combination of strength and fracture resistance * **Heat Treatable:** Responsive to artificial aging treatments * **Good Machinability:** Suitable for precision manufacturing * **Weldability:** Can be welded using appropriate techniques * **Cost-Effectiveness:** Balanced performance for various applications **Heat Treatment Characteristics:** - Solution treatment temperature: 465-475°C (870-885°F) - Artificial aging temperature: 120-140°C (250-285°F) - Good response to T7-type overaging treatments - Stable mechanical properties after proper aging **Corrosion Performance:** - Good stress corrosion cracking resistance - Adequate general corrosion resistance - Suitable for aerospace and transportation environments - Can be enhanced with protective coatings **Manufacturing Characteristics:** - Good extrudability and forgeability - Suitable for complex structural shapes - Can be machined using conventional methods - Weldable using appropriate procedures --- **Quality Assurance:** - Strict chemical composition control - Comprehensive mechanical testing - Non-destructive testing capabilities - Full material traceability - Certification to international standards **Processing Recommendations:** - Use proper tooling for machining operations - Follow recommended heat treatment cycles - Implement proper quality control measures - Use appropriate welding techniques - Maintain clean processing environment --- **Conclusion:** Aluminum 7024 offers a well-balanced combination of high strength, good corrosion resistance, and excellent manufacturability, making it a versatile choice for aerospace, transportation, and structural applications. Its optimized mechanical properties and good processing characteristics establish it as a reliable material for engineers and designers working on high-performance applications. The alloy's ability to deliver consistent performance under various conditions, combined with its cost-effectiveness, ensures its continued use in quality structural components across multiple industries. For projects requiring a balanced combination of strength, durability, and manufacturability, Aluminum 7024 provides excellent value and reliable performance.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2120 gallon liquid totes Special package is available on request.