2002 Aluminum alloy,Aluminum 2002 alloy,E FORU

### **2002 Aluminum Alloy Product Introduction** **1. Overview** 2002 Aluminum Alloy is a high-performance aluminum-copper alloy from the 2xxx series, specifically designed for applications requiring superior strength and excellent thermal stability. As a heat-treatable alloy, it achieves exceptional mechanical properties through precipitation hardening. This alloy is particularly noted for its combination of high strength, good fracture toughness, and maintained performance at elevated temperatures. **2. Chemical Composition (Typical, % by Weight)** The composition features copper as the primary alloying element with precise control of other elements. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 6.0-7.0 | | **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 optimized copper and magnesium content provides enhanced strength through precipitation hardening while maintaining good thermal stability.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.83 g/cm³ | | **Melting Point** | 550-640°C | | **Electrical Conductivity** | 42% IACS | | **Thermal Conductivity** | 148 W/(m·K) | | **Coefficient of Thermal Expansion** | 22.8 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 72.5 GPa | **4. Mechanical Properties (Typical)** Properties show significant enhancement through heat treatment processes. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 260-300 | 140-170 | 14-18 | | **T4 (Solution Heat Treated)** | 420-460 | 280-320 | 14-18 | | **T6 (Peak Aged)** | 480-520 | 410-450 | 7-10 | *Key Characteristics:* * **High Strength-to-Weight Ratio**: Excellent mechanical properties * **Good Thermal Stability**: Maintains strength at elevated temperatures * **Excellent Fatigue Resistance**: Superior performance under cyclic loading * **Good Machinability**: Performs well in machining operations **5. Product Applications** 2002 aluminum is utilized in demanding applications across multiple industries. * **Aerospace Structures**: Aircraft structural components and fittings * **Automotive Racing**: High-performance automotive parts * **Defense Systems**: Military hardware and equipment * **Precision Machinery**: High-stress mechanical components * **Sporting Equipment**: Professional-grade sporting goods * **Industrial Tooling**: Jigs, fixtures, and tooling components * **Optical Mounting Systems**: Precision optical equipment supports **6. International Standards** 2002 aluminum is recognized under various international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | AlCu6MgFe | | **EN (Europe)** | EN AW-2002 | | **ASTM (USA)** | ASTM B211 2002 | | **UNS (USA)** | UNS A92002 | | **JIS (Japan)** | A2002 | | **GB (China)** | 2A02 | --- **Summary** **2002 Aluminum Alloy** represents a **high-strength aluminum-copper alloy** that delivers **exceptional mechanical performance and thermal stability**. With its carefully balanced copper content (6.0-7.0%) and magnesium addition, this alloy achieves superior strength characteristics through optimized precipitation hardening treatment. The combination of high tensile and yield strength, good fatigue resistance, and maintained properties at elevated temperatures makes 2002 aluminum particularly valuable for aerospace applications, high-performance automotive components, and demanding industrial uses. While requiring appropriate corrosion protection in aggressive environments, the alloy's outstanding mechanical capabilities establish it as a preferred choice for applications where reliability under high stress and thermal exposure are critical 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 1494 gallon liquid totes Special package is available on request.