1070A Aluminum alloy,Aluminum 1070A alloy,E FORU

### **1070A Aluminum Alloy Product Introduction** **1. Overview** 1070A Aluminum Alloy is a European designation for an ultra-high purity aluminum grade from the 1xxx series, representing one of the purest forms of commercially available aluminum. The "A" suffix indicates a controlled impurity level, particularly for iron and silicon, ensuring consistent performance and superior anodizing quality. This non-heat-treatable alloy offers exceptional electrical conductivity, excellent corrosion resistance, and outstanding formability, making it ideal for demanding electrical, electronic, and chemical applications. **2. Chemical Composition (Typical, % by Weight)** The composition follows strict European standards with controlled impurity limits. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | ≥99.70 | | **Iron (Fe)** | ≤0.20 | | **Silicon (Si)** | ≤0.15 | | **Copper (Cu)** | ≤0.03 | | **Manganese (Mn)** | ≤0.02 | | **Zinc (Zn)** | ≤0.04 | | **Other Elements (Each)** | ≤0.02 | | **Other Elements (Total)** | ≤0.08 | *Note: The controlled impurity levels, especially for iron and silicon, ensure superior anodizing quality and consistent electrical properties.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.71 g/cm³ | | **Melting Point** | 646-657°C | | **Electrical Conductivity** | 64% IACS | | **Thermal Conductivity** | 240 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.1 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 69 GPa | **4. Mechanical Properties (Typical)** Mechanical properties vary with temper condition, providing versatility for different applications. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 65-90 | 20-30 | 40-50 | | **H14 (Half-Hard)** | 105-130 | 90-110 | 12-20 | | **H18 (Full-Hard)** | 135-160 | 125-145 | 5-10 | *Key Characteristics:* * **Ultra-High Purity**: Exceptional electrical and thermal conductivity * **Superior Anodizing Quality**: Excellent for decorative and protective surface treatments * **Excellent Corrosion Resistance**: Outstanding performance in corrosive environments * **Outstanding Formability**: Ideal for deep drawing and complex forming operations **5. Product Applications** 1070A aluminum is supplied in various forms including wire, sheet, strip, and foil for high-performance applications. * **Electrical Industry**: High-voltage power transmission lines, busbars, and magnet wire * **Electronics**: High-purity capacitor foils, transformer windings, and specialty connectors * **Chemical Processing**: Reaction vessels and storage tanks for ultra-pure chemicals * **Architectural Applications**: High-quality anodized architectural components and trim * **Food and Pharmaceutical**: Processing equipment and packaging materials * **Optical Applications**: Reflectors and precision optical components * **Automotive**: Specialty electrical components and decorative trim **6. International Standards** 1070A aluminum is primarily recognized under European standards with equivalents in other systems. | Standard System | Designation | |-----------------|-------------| | **EN (Europe)** | EN AW-1070A [Al99.7] | | **ISO** | Al99.7 | | **ASTM (USA)** | Similar to 1070 | | **UNS (USA)** | UNS A91070 | | **JIS (Japan)** | A1070 | | **GB (China)** | 1070A | --- **Summary** **1070A Aluminum Alloy** represents the **premium grade** of ultra-high purity aluminum with **controlled impurity levels** for consistent performance. The "A" designation ensures superior quality control, particularly for iron and silicon content, resulting in excellent anodizing characteristics and reliable electrical properties. With a minimum aluminum content of 99.70%, this alloy delivers optimal performance for the most demanding applications in electrical engineering, electronics, chemical processing, and high-quality architectural applications. The combination of ultra-high purity, controlled impurities, and excellent workability makes 1070A the material of choice for applications requiring consistent quality, superior surface finish, and reliable performance in demanding environments.

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 1437 gallon liquid totes Special package is available on request.