6024 Aluminum alloy,Aluminum 6024 alloy,E FORU

### **Product Introduction: 6024 Aluminum Alloy** **6024 Aluminum Alloy** is a high-strength, heat-treatable aluminum-magnesium-silicon-copper (Al-Mg-Si-Cu) alloy specifically developed for aerospace and high-performance automotive applications. It offers an exceptional combination of high strength, good damage tolerance, and excellent fatigue resistance, making it particularly suitable for critical structural components where reliability and performance are paramount. --- ### **1. International Standards** 6024 Aluminum Alloy is recognized under the following international standards: - **AA (Aluminum Association, USA):** AA 6024 - **UNS (Unified Numbering System):** UNS A96024 - **AMS (Aerospace Material Specification):** AMS 4335 - **ASTM:** ASTM B209 (Plate), B247 (Forgings) - **ISO (International Organization for Standardization):** AlMg1.0SiCu --- ### **2. Chemical Composition** The chemical composition limits (in weight percentage) are specified as follows: | Element | Content (%) | |:---------|:------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 0.50 - 1.0 | | **Magnesium (Mg)** | 0.60 - 1.2 | | **Copper (Cu)** | 0.15 - 0.40 | | **Manganese (Mn)** | 0.20 - 0.7 | | **Iron (Fe)** | ≤ 0.15 | | **Chromium (Cr)** | 0.10 - 0.25 | | **Zinc (Zn)** | ≤ 0.10 | | **Titanium (Ti)** | ≤ 0.10 | | **Zirconium (Zr)** | 0.05 - 0.15 | | **Others (each)** | ≤ 0.05 | | **Others (total)** | ≤ 0.15 | **Key Takeaway:** The optimized combination of copper, magnesium, and silicon with zirconium addition provides enhanced strength and improved fracture toughness through controlled precipitation hardening and grain structure refinement. --- ### **3. Physical Properties** The typical physical properties of 6024 aluminum alloy are: | Property | Metric Value | Imperial Value | |:----------|:-------------|:---------------| | **Density** | 2.71 g/cm³ | 0.0979 lb/in³ | | **Melting Range** | 550 - 645 °C | 1022 - 1193 °F | | **Coefficient of Thermal Expansion** | 23.2 × 10⁻⁶/°C (20-100°C) | 12.9 × 10⁻⁶/°F (68-212°F) | | **Thermal Conductivity** | 155 - 170 W/m·K | 895 - 985 BTU·in/(hr·ft²·°F) | | **Electrical Conductivity** | 40-44% IACS | 40-44% IACS | | **Modulus of Elasticity** | 70.5 GPa | 10,220 ksi | | **Shear Modulus** | 26.5 GPa | 3,840 ksi | | **Poisson's Ratio** | 0.33 | 0.33 | --- ### **4. Mechanical Properties** Mechanical properties demonstrate excellent strength and damage tolerance: **Temper: T6** (Solution heat-treated and artificially aged) - **Tensile Strength:** 420 - 470 MPa (61 - 68 ksi) - **Yield Strength (0.2% Offset):** 370 - 420 MPa (54 - 61 ksi) - **Elongation (% in 50mm):** 8-12% - **Compressive Yield Strength:** 360 MPa (52 ksi) - **Shear Strength:** 260 MPa (38 ksi) - **Bearing Strength:** 710 MPa (103 ksi) [e/D=2.0] **Temper: T651** (Solution heat-treated, stress-relieved, and artificially aged) - **Tensile Strength:** 430 - 480 MPa (62 - 70 ksi) - **Yield Strength (0.2% Offset):** 380 - 430 MPa (55 - 62 ksi) - **Elongation (% in 50mm):** 8-11% - **Fatigue Strength:** 140 MPa (20 ksi) [Rotating Beam, 5×10⁸ cycles] --- ### **5. Product Applications** 6024 Aluminum Alloy is used in demanding aerospace and performance applications: - **Aerospace Structures:** - Aircraft wing skins and stringers - Fuselage frames and bulkheads - Spacecraft structural components - Helicopter rotor components - **High-Performance Automotive:** - Racing vehicle chassis components - High-performance suspension parts - Safety cell structures - Competition vehicle frames - **Defense Applications:** - Military vehicle structural components - Armor support structures - Defense system mounting structures - **Special Applications:** - High-stress mechanical components - Pressure vessel applications - Critical structural supports --- ### **6. Key Characteristics & Advantages** - **High Strength-to-Weight Ratio:** Provides exceptional mechanical properties comparable to some 7000-series alloys with better corrosion resistance. - **Excellent Damage Tolerance:** Superior fracture toughness and fatigue crack growth resistance compared to conventional high-strength aluminum alloys. - **Good Fatigue Performance:** Excellent resistance to cyclic loading, making it suitable for dynamically loaded structures. - **Enhanced Corrosion Resistance:** Better general and stress corrosion resistance than traditional high-strength aluminum-copper alloys. - **Good Thermal Stability:** Maintains mechanical properties at elevated temperatures better than many competing alloys. - **Excellent Machinability:** Good machining characteristics for a high-strength aluminum alloy. - **Weldability:** Can be welded using conventional methods with proper procedures. --- ### **7. Processing Characteristics** **Heat Treatment:** - Solution Heat Treatment: 515-535°C (960-995°F) - Quenching: Rapid water quench or controlled rate quenching - Artificial Aging: 120-160°C (250-320°F) for 12-24 hours - Stress Relieving: Stretching 1.5-3% for T651 temper **Machining Performance:** - **Machinability Rating:** 60-70 (compared to 2011-T3 as 100) - Requires rigid tooling and adequate power - Good surface finish achievable with proper parameters - Moderate tool wear characteristics **Forming Characteristics:** - Best formed in annealed (O) condition - Moderate formability in T4 temper - Limited formability in T6/T651 tempers - Springback significant in high-strength tempers --- ### **8. Special Properties** **Fatigue and Fracture:** - Fatigue Strength: 140 MPa (20 ksi) at 5×10⁸ cycles - Fracture Toughness (KIC): 30-35 MPa√m - Fatigue Crack Growth Rate: Excellent resistance **Corrosion Performance:** - **General Corrosion:** Good resistance to atmospheric exposure - **Stress Corrosion Cracking:** Good resistance in properly aged condition - **Exfoliation Corrosion:** Resistant when properly processed - **Intergranular Corrosion:** Good resistance with proper heat treatment --- ### **9. Comparative Advantages** **vs. 2024 Alloy:** - Better corrosion resistance - Superior damage tolerance - Comparable strength levels - Improved fatigue performance **vs. 6013 Alloy:** - Higher strength capability - Better elevated temperature performance - Superior fatigue characteristics - Enhanced damage tolerance **vs. 7075 Alloy:** - Better corrosion resistance - Superior stress corrosion cracking resistance - Good compromise between strength and toughness --- ### **10. Quality and Certification** **Aerospace Compliance:** - Meets AMS 4335 requirements - Compliant with major aerospace OEM specifications - Suitable for primary aircraft structures - Full traceability and certification available **Testing Requirements:** - Mechanical property testing - Fracture toughness testing - Fatigue testing capabilities - Comprehensive NDT services --- ### **Summary** **6024 Aluminum Alloy** represents a premium high-performance structural aluminum alloy that delivers an outstanding balance of high strength, excellent damage tolerance, and good corrosion resistance. Its optimized chemistry and advanced processing capabilities make it particularly valuable for aerospace, defense, and high-performance automotive applications where reliability, safety, and performance are critical requirements. The alloy's superior combination of properties positions it as an advanced material solution for next-generation structural applications demanding the highest levels of performance and reliability while maintaining the weight advantages of aluminum alloys.

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 1972 gallon liquid totes Special package is available on request.