2007-T351, T3510, T3511 Aluminum alloy,Aluminum 2007-T351, T3510, T3511 alloy,E FORU

### **2007-T351, T3510, T3511 Aluminum Alloy Product Introduction** **1. Overview** 2007-T351, T3510, and T3511 are specific tempers of the free-machining aluminum-copper alloy 2007, representing solution heat-treated and stress-relieved conditions with varying methods of stress relief. These tempers are characterized by their combination of high strength, excellent machinability, and improved dimensional stability, making them suitable for precision components requiring stable mechanical properties and good machining characteristics. **2. Chemical Composition (Typical, % by Weight)** The composition follows the standard 2007 aluminum alloy specification. | 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 composition ensures excellent 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)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Characteristics | |--------|------------------------|----------------------|----------------|-----------------| | **T351** | 370-410 | 220-260 | 14-18 | Stress-relieved by stretching | | **T3510** | 375-415 | 225-265 | 14-18 | Stress-relieved by stretching (plate) | | **T3511** | 370-410 | 220-260 | 14-18 | Stress-relieved by stretching (extruded) | *Key Characteristics:* * **Excellent Dimensional Stability**: Stress relief minimizes distortion during machining * **Superior Machinability**: Lead and bismuth provide excellent chip formation * **Good Strength**: Maintains high mechanical properties * **Improved Stress Corrosion Resistance**: Better performance in corrosive environments **5. Product Applications** These tempers are used in precision applications requiring stability and machinability. * **Aerospace Components**: Aircraft structural parts and fittings * **Precision Machinery**: Gears, shafts, and high-accuracy components * **Automotive Systems**: Transmission parts and engine components * **Hydraulic Equipment**: Valve bodies and pump components * **Defense Applications**: Firearm components and military hardware * **Industrial Tooling**: Jigs, fixtures, and precision tooling * **Optical Instruments**: Precision mounting components **6. International Standards** These tempers are recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **EN (Europe)** | EN AW-2007 T351/T3510/T3511 | | **ISO** | AlCu4PbMg T351/T3510/T3511 | | **ASTM (USA)** | ASTM B211 2007 T351/T3510/T3511 | | **UNS (USA)** | UNS A92007 T351/T3510/T3511 | | **JIS (Japan)** | A2007 T351/T3510/T3511 | | **GB (China)** | 2A07 T351/T3510/T3511 | --- **Summary** **2007-T351, T3510, and T3511 Aluminum Alloys** represent **solution heat-treated and stress-reliezed tempers** that provide **exceptional dimensional stability combined with high strength and superior machinability**. The key difference between these tempers lies in their stress relief methods and product forms: - **T351**: Stress-relieved by stretching for general applications - **T3510**: Specifically for stress-relieved plate products - **T3511**: Specifically for stress-relieved extruded products These tempers offer significantly improved dimensional stability compared to conventional T3 temper, making them ideal for precision components that require minimal distortion during and after machining operations. The combination of maintained high strength, excellent machining characteristics, and enhanced stability makes these alloys particularly valuable for aerospace components, precision machinery, automotive systems, and applications where dimensional accuracy and stability are critical requirements. Their proven performance in demanding applications establishes them as premium choices for precision engineering components across various industries.

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 1501 gallon liquid totes Special package is available on request.