1120 Aluminum alloy,Aluminum 1120 alloy,E FORU

### **1120 Aluminum Alloy Product Introduction** **1. Overview** 1120 Aluminum Alloy is an ultra-high purity aluminum grade from the 1xxx series, featuring exceptional aluminum content that makes it suitable for specialized applications requiring maximum electrical conductivity and superior corrosion resistance. As a non-heat-treatable alloy, it offers excellent formability in the annealed condition and can be strain-hardened to achieve various strength levels. This alloy is particularly valued for electrical and electronic applications where material purity directly impacts performance. **2. Chemical Composition (Typical, % by Weight)** The composition represents one of the highest purity levels in commercial aluminum production. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | ≥99.20 | | **Iron (Fe)** | ≤0.30 | | **Silicon (Si)** | ≤0.15 | | **Copper (Cu)** | ≤0.05 | | **Manganese (Mn)** | ≤0.03 | | **Zinc (Zn)** | ≤0.05 | | **Other Elements (Each)** | ≤0.03 | | **Other Elements (Total)** | ≤0.10 | *Note: The high purity composition (99.20% min aluminum) ensures excellent electrical conductivity and superior corrosion resistance.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.71 g/cm³ | | **Melting Point** | 646-657°C | | **Electrical Conductivity** | 63% IACS | | **Thermal Conductivity** | 238 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.3 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 69 GPa | **4. Mechanical Properties (Typical)** Properties vary significantly with temper condition, offering flexibility for different manufacturing requirements. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 70-95 | 25-40 | 35-45 | | **H14 (Half-Hard)** | 115-140 | 100-120 | 8-15 | | **H18 (Full-Hard)** | 145-170 | 135-155 | 4-8 | *Key Characteristics:* * **High Conductivity**: Excellent electrical and thermal conductivity * **Superior Corrosion Resistance**: Outstanding performance in various environments * **Good Formability**: Excellent for forming operations in annealed condition * **Weldability**: Suitable for all conventional welding methods **5. Product Applications** 1120 aluminum is supplied in various forms including wire, foil, sheet, and strip for specialized applications. * **Electrical Conductors**: High-efficiency power transmission lines and busbars * **Electronics**: High-purity capacitor foils and transformer windings * **Chemical Processing**: Equipment for chemical production and storage * **Food Industry**: Processing equipment and packaging materials * **Heat Exchangers**: High-efficiency thermal transfer components * **Architectural Applications**: Decorative elements and specialty trim * **Research Equipment**: Scientific instruments and laboratory apparatus **6. International Standards** 1120 aluminum is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | Al99.20 | | **EN (Europe)** | EN AW-1120 [Al99.20] | | **ASTM (USA)** | ASTM B230/B231 1120 | | **UNS (USA)** | UNS A91120 | | **JIS (Japan)** | A1120 | | **GB (China)** | 1120 | --- **Summary** **1120 Aluminum Alloy** represents a **high-purity aluminum grade** that offers **exceptional electrical conductivity and superior corrosion resistance**. With its balanced composition and high aluminum content, this alloy provides reliable performance for demanding electrical, electronic, and chemical applications. The combination of good formability in the annealed condition with the ability to achieve higher strength through strain hardening makes 1120 aluminum a versatile choice for various industrial applications. Its excellent conductivity characteristics, coupled with proven corrosion resistance and workability, establish 1120 as a valuable material for applications where material purity and electrical performance are critical factors. The alloy continues to serve important roles in electrical engineering, electronics manufacturing, and specialized industrial applications worldwide.

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 1452 gallon liquid totes Special package is available on request.