2008 Aluminum alloy,Aluminum 2008 alloy,E FORU

### **2008 Aluminum Alloy Product Introduction** **1. Overview** 2008 Aluminum Alloy is a heat-treatable aluminum-copper alloy from the 2xxx series, designed to provide a good balance of strength, formability, and corrosion resistance. As a precipitation-hardenable alloy, it offers improved mechanical properties through heat treatment while maintaining better corrosion resistance compared to higher-copper 2xxx series alloys. This alloy is suitable for applications requiring moderate strength with good manufacturing characteristics. **2. Chemical Composition (Typical, % by Weight)** The composition features controlled copper content with strategic alloying additions. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 0.7-1.1 | | **Magnesium (Mg)** | 0.15-0.35 | | **Silicon (Si)** | 0.10-0.30 | | **Iron (Fe)** | ≤0.15 | | **Zinc (Zn)** | ≤0.10 | | **Manganese (Mn)** | 0.10-0.25 | | **Other Elements (Each)** | ≤0.05 | | **Other Elements (Total)** | ≤0.15 | *Note: The moderate copper content provides good strength while maintaining improved corrosion resistance compared to higher-copper alloys.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.74 g/cm³ | | **Melting Point** | 640-655°C | | **Electrical Conductivity** | 50% IACS | | **Thermal Conductivity** | 190 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 70 GPa | **4. Mechanical Properties (Typical)** Properties show good response to heat treatment with balanced characteristics. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 150-180 | 70-90 | 20-25 | | **T4 (Solution Heat Treated)** | 260-300 | 130-160 | 18-22 | | **T6 (Peak Aged)** | 310-350 | 260-300 | 10-14 | *Key Characteristics:* * **Good Strength-to-Weight Ratio**: Moderate strength with lightweight * **Improved Corrosion Resistance**: Better than high-copper 2xxx alloys * **Good Formability**: Suitable for various forming operations * **Excellent Weldability**: Good welding characteristics **5. Product Applications** 2008 aluminum is used in applications requiring balanced performance characteristics. * **Automotive Components**: Body panels, structural parts, and trim * **General Engineering**: Machine parts and structural components * **Architectural Applications**: Building components and decorative elements * **Consumer Goods**: Appliance components and hardware * **Transportation**: Railway components and vehicle parts * **Industrial Equipment**: General machinery components * **Electrical Enclosures**: Housing and cabinet components **6. International Standards** 2008 aluminum is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | AlCu1Mg | | **EN (Europe)** | EN AW-2008 | | **ASTM (USA)** | ASTM B211 2008 | | **UNS (USA)** | UNS A92008 | | **JIS (Japan)** | A2008 | | **GB (China)** | 2A08 | --- **Summary** **2008 Aluminum Alloy** is a **moderate-strength aluminum-copper alloy** that offers a **well-balanced combination of mechanical properties, corrosion resistance, and manufacturability**. With its controlled copper content (0.7-1.1%), this alloy provides good strength characteristics through precipitation hardening while maintaining significantly better corrosion resistance than traditional high-copper 2xxx series alloys. The combination of moderate strength, good formability, excellent weldability, and improved corrosion resistance makes 2008 aluminum particularly suitable for automotive components, general engineering applications, architectural elements, and consumer goods. Its balanced performance characteristics establish it as a versatile choice for applications requiring reliable mechanical performance with good manufacturing flexibility and environmental durability.

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 1503 gallon liquid totes Special package is available on request.