2007A Aluminum alloy,Aluminum 2007A alloy,E FORU

### **2007A Aluminum Alloy Product Introduction** **1. Overview** 2007A Aluminum Alloy is a European-designated high-strength aluminum-copper alloy from the 2xxx series, specifically developed for applications requiring excellent machinability and good mechanical properties. The "A" suffix indicates enhanced quality control and consistent performance characteristics. As a heat-treatable alloy, it achieves superior mechanical properties through precipitation hardening, making it particularly suitable for precision-machined components and high-stress applications. **2. Chemical Composition (Typical, % by Weight)** The composition follows strict European standards with controlled impurity levels. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 3.3-4.6 | | **Magnesium (Mg)** | 0.40-1.0 | | **Silicon (Si)** | 0.50-1.0 | | **Iron (Fe)** | ≤0.20 | | **Zinc (Zn)** | ≤0.15 | | **Manganese (Mn)** | 0.40-1.0 | | **Lead (Pb)** | 0.8-1.5 | | **Bismuth (Bi)** | 0.4-0.9 | | **Other Elements (Each)** | ≤0.05 | | **Other Elements (Total)** | ≤0.15 | *Note: The addition of lead and bismuth significantly enhances machinability while maintaining good mechanical properties.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.85 g/cm³ | | **Melting Point** | 550-640°C | | **Electrical Conductivity** | 38% IACS | | **Thermal Conductivity** | 140 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.0 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 72 GPa | **4. Mechanical Properties (Typical)** Properties show excellent response to heat treatment with superior machinability. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 230-270 | 120-150 | 14-18 | | **T4 (Solution Heat Treated)** | 370-410 | 220-260 | 14-18 | | **T6 (Peak Aged)** | 430-470 | 350-390 | 8-12 | *Key Characteristics:* * **Excellent Machinability**: Superior machining characteristics with good chip formation * **High Strength**: Good strength-to-weight ratio * **Good Wear Resistance**: Suitable for moving parts and bearing surfaces * **Heat Treatable**: Responds well to precipitation hardening treatments **5. Product Applications** 2007A aluminum is primarily used for precision-machined components and high-stress applications. * **Automotive Industry**: Engine components, transmission parts, and fittings * **Aerospace**: Aircraft fittings, hydraulic system components * **Industrial Machinery**: Precision gears, pump components, and valve parts * **Hydraulic Systems**: Cylinder components and hydraulic fittings * **Precision Instruments**: High-accuracy mechanical components * **Defense Applications**: Firearm components and military hardware * **Consumer Products**: High-quality mechanical parts and fittings **6. International Standards** 2007A aluminum is primarily recognized under European standards with equivalents in other systems. | Standard System | Designation | |-----------------|-------------| | **EN (Europe)** | EN AW-2007A [AlCu4PbMg] | | **ISO** | AlCu4PbMg | | **ASTM (USA)** | Similar to 2017A | | **UNS (USA)** | UNS A92007 | | **JIS (Japan)** | A2007 | | **GB (China)** | 2A07 | --- **Summary** **2007A Aluminum Alloy** is a **high-performance free-machining aluminum alloy** that offers an **exceptional combination of machinability and mechanical strength**. The "A" designation ensures superior quality control through strictly controlled composition, particularly the lead and bismuth content that provides outstanding machining characteristics. This alloy maintains good mechanical properties through precipitation hardening while offering chip-breaking characteristics that make it ideal for high-volume precision machining operations. The balanced combination of strength, machinability, and wear resistance makes 2007A particularly valuable for automotive components, aerospace fittings, precision machinery parts, and applications requiring extensive machining operations. Its proven performance in demanding applications establishes it as a premium choice for components where both precision manufacturing and mechanical reliability 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 1498 gallon liquid totes Special package is available on request.