2004 Aluminum alloy,Aluminum 2004 alloy,E FORU

### **2004 Aluminum Alloy Product Introduction** **1. Overview** 2004 Aluminum Alloy is a high-strength aluminum-copper alloy from the 2xxx series, specifically designed for applications requiring excellent strength and good fatigue resistance. As a heat-treatable alloy, it achieves superior mechanical properties through precipitation hardening. This alloy is particularly valued for its combination of high strength-to-weight ratio, good machinability, and reliable performance in structural applications. **2. Chemical Composition (Typical, % by Weight)** The composition features copper as the primary alloying element with carefully controlled additions. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 5.5-6.5 | | **Magnesium (Mg)** | 0.15-0.30 | | **Iron (Fe)** | ≤0.20 | | **Silicon (Si)** | ≤0.15 | | **Zinc (Zn)** | ≤0.10 | | **Manganese (Mn)** | 0.10-0.25 | | **Other Elements (Each)** | ≤0.05 | | **Other Elements (Total)** | ≤0.15 | *Note: The copper and magnesium combination provides effective precipitation hardening response and enhanced mechanical properties.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.82 g/cm³ | | **Melting Point** | 548-638°C | | **Electrical Conductivity** | 44% IACS | | **Thermal Conductivity** | 152 W/(m·K) | | **Coefficient of Thermal Expansion** | 22.9 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 72 GPa | **4. Mechanical Properties (Typical)** Properties demonstrate significant enhancement through proper heat treatment. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 250-290 | 130-160 | 14-18 | | **T4 (Solution Heat Treated)** | 410-450 | 270-310 | 14-18 | | **T6 (Peak Aged)** | 470-510 | 400-440 | 8-12 | *Key Characteristics:* * **High Strength**: Excellent strength-to-weight ratio * **Good Fatigue Performance**: Suitable for cyclic loading applications * **Excellent Machinability**: Good machining characteristics in T6 temper * **Heat Treatable**: Responds well to precipitation hardening treatments **5. Product Applications** 2004 aluminum is used in various high-strength applications across different industries. * **Aerospace Components**: Aircraft structural parts and brackets * **Automotive Parts**: High-strength automotive components * **Industrial Machinery**: Heavy-duty machine parts and fittings * **Defense Applications**: Military hardware components * **Precision Equipment**: High-accuracy mechanical components * **Sporting Goods**: High-performance sports equipment * **Transportation**: Components for transportation systems **6. International Standards** 2004 aluminum is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | AlCu6Mg | | **EN (Europe)** | EN AW-2004 | | **ASTM (USA)** | ASTM B211 2004 | | **UNS (USA)** | UNS A92004 | | **JIS (Japan)** | A2004 | | **GB (China)** | 2A04 | --- **Summary** **2004 Aluminum Alloy** is a **high-performance aluminum-copper alloy** that offers **exceptional strength characteristics and good fatigue resistance**. With its copper content of 5.5-6.5% and magnesium addition, this alloy provides outstanding mechanical properties through precipitation hardening treatment. The combination of high strength-to-weight ratio, excellent machinability, and reliable performance under cyclic loading makes 2004 aluminum particularly valuable for aerospace applications, automotive components, and demanding industrial uses. While requiring appropriate corrosion protection in severe environments, the alloy's superior mechanical performance establishes it as an excellent choice for applications where strength, durability, and reliability are essential requirements.

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 1495 gallon liquid totes Special package is available on request.