2024-T6 Aluminum alloy,Aluminum 2024-T6 alloy,E FORU

### **Aluminum 2024-T6 Alloy Product Introduction** **Overview** 2024-T6 is a high-strength aluminum-copper alloy that has been solution heat-treated and artificially aged to achieve optimal mechanical properties. The T6 temper provides a superior combination of high strength, good machinability, and moderate corrosion resistance compared to naturally aged tempers, making it suitable for applications requiring maximum strength and stability. --- #### **1. Chemical Composition** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 3.8 - 4.9 | | **Magnesium (Mg)** | 1.2 - 1.8 | | **Manganese (Mn)** | 0.30 - 0.9 | | **Iron (Fe)** | ≤ 0.20 | | **Silicon (Si)** | ≤ 0.15 | | **Zinc (Zn)** | ≤ 0.10 | | **Chromium (Cr)** | ≤ 0.10 | | **Other Elements** | ≤ 0.15 total | --- #### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.78 g/cm³ (0.100 lb/in³) | | **Melting Range** | 500°C - 638°C (932°F - 1180°F) | | **Electrical Conductivity** | 28-33% IACS | | **Thermal Conductivity** | 121 W/m·K | | **Coefficient of Thermal Expansion** | 23.2 × 10⁻⁶/°C (20-100°C) | | **Modulus of Elasticity** | 73.1 GPa (10,600 ksi) | | **Poisson's Ratio** | 0.33 | --- #### **3. Mechanical Properties** **Typical Mechanical Properties:** | Property | Value | |----------|-------| | **Tensile Strength** | 450-485 MPa (65-70 ksi) | | **Yield Strength (0.2% Offset)** | 310-345 MPa (45-50 ksi) | | **Elongation in 2 inches** | 8-12% | | **Shear Strength** | 270-290 MPa (39-42 ksi) | | **Fatigue Strength** | 140 MPa (20 ksi) | | **Brinell Hardness** | 120-130 HB | | **Compressive Yield Strength** | 310-345 MPa (45-50 ksi) | | **Fracture Toughness** | 20-25 MPa√m | --- #### **4. International Standards** | Standard System | Designation | Product Form | |-----------------|-------------|--------------| | **ASTM** | ASTM B209 | Sheet & Plate | | **AMS** | AMS 4037 | Sheet | | **AMS** | AMS 4080 | Plate | | **MIL** | MIL-DTL-6075 | Sheet | | **EN** | EN AW-2024A [T6] | Sheet/Plate | | **ISO** | ISO 6361 | Wrought Products | --- #### **5. Product Applications** **Aerospace Applications:** - Aircraft structural components - Wing spars and ribs - Fuselage frames - Aircraft fittings and brackets - Spacecraft structural members **Automotive Applications:** - High-performance vehicle chassis - Racing car components - Suspension components - High-stress automotive parts **Industrial Applications:** - Machine parts requiring high strength - Structural components - Defense equipment - Precision tools and fixtures --- #### **6. Key Advantages & Considerations** **Advantages:** - ✅ **High Strength-to-Weight Ratio** - ✅ **Good Machinability** - ✅ **Stable Mechanical Properties** - ✅ **Improved Stress-Corrosion Resistance** vs T4 temper - ✅ **Good Fatigue Strength** - ✅ **Excellent Bearing Strength** **Considerations:** - ⚠️ **Reduced Formability** compared to T4 temper - ⚠️ **Poor Weldability** - not recommended for fusion welding - ⚠️ **Requires Corrosion Protection** - ⚠️ **Limited Stress-Corrosion Resistance** in short transverse direction - ⚠️ **Higher Cost** than naturally aged tempers --- **Heat Treatment Process** **T6 Temper Process:** 1. **Solution Heat Treatment:** - Temperature: 490-500°C (915-932°F) - Soak time: 20-60 minutes depending on thickness - Rapid quenching in water 2. **Artificial Aging:** - Temperature: 180-190°C (355-375°F) - Time: 8-12 hours - Air cooling to room temperature --- **Machining Characteristics** **Machinability Rating:** Good (compared to other aluminum alloys) **Surface Treatment:** Responds well to anodizing and other surface treatments **Tool Life:** Standard high-speed steel or carbide tools recommended **Cutting Speed:** Medium to high speeds with adequate cooling --- **Corrosion Protection** **Recommended Methods:** - Anodizing (Type II or Type III) - Chemical conversion coatings - Paint systems - Powder coating - Regular maintenance and inspection --- **Conclusion** 2024-T6 aluminum alloy represents an optimal balance of high strength and reasonable toughness for structural applications. The artificial aging process in the T6 temper provides more consistent mechanical properties and improved stress-corrosion resistance compared to naturally aged T4 temper, though with some reduction in ductility. While requiring appropriate corrosion protection and careful manufacturing consideration, 2024-T6 remains a preferred choice for applications demanding high strength-to-weight ratio, good fatigue resistance, and dimensional stability. Its proven performance in aerospace, automotive, and industrial applications makes it a reliable engineering material for demanding structural components.

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 1545 gallon liquid totes Special package is available on request.