1199-O Aluminum alloy,Aluminum 1199-O alloy,E FORU

### **1199-O Aluminum Alloy Product Introduction** **1. Overview** 1199-O is the annealed temper of an ultra-high purity aluminum alloy from the 1xxx series, representing the highest commercially available purity level. The "O" temper designation indicates that the material has been fully annealed to achieve maximum softness and workability. This alloy offers exceptional electrical conductivity, superior corrosion resistance, and outstanding formability, making it ideal for the most demanding electrical, electronic, and high-purity applications where material performance is critical. **2. Chemical Composition (Typical, % by Weight)** The composition represents the highest purity standard in commercial aluminum production. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | ≥99.99 | | **Iron (Fe)** | ≤0.004 | | **Silicon (Si)** | ≤0.004 | | **Copper (Cu)** | ≤0.0025 | | **Manganese (Mn)** | ≤0.002 | | **Zinc (Zn)** | ≤0.003 | | **Other Elements (Each)** | ≤0.002 | | **Other Elements (Total)** | ≤0.005 | *Note: The ultra-high purity composition (99.99% min aluminum) ensures maximum electrical conductivity and superior corrosion resistance.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.70 g/cm³ | | **Melting Point** | 660°C | | **Electrical Conductivity** | 70% IACS | | **Thermal Conductivity** | 250 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 68 GPa | **4. Mechanical Properties (Typical for O Temper)** The O temper provides the softest condition with maximum ductility for 1199 aluminum. | Property | Value | |----------|-------| | **Tensile Strength** | 40-60 MPa | | **Yield Strength (0.2% Offset)** | 10-20 MPa | | **Elongation (% in 50mm)** | 50-70% | | **Hardness (Brinell)** | 15-20 HB | *Key Characteristics of O Temper:* * **Maximum Ductility**: Highest elongation capability for severe forming operations * **Exceptional Formability**: Ideal for deep drawing, spinning, and complex forming * **Ultra-High Conductivity**: Supreme electrical and thermal conductivity * **Minimum Strength**: Lowest mechanical strength with maximum workability **5. Product Applications** 1199-O is supplied in various forms including foil, sheet, and strip for ultra-high purity applications. * **Electronics**: Ultra-pure capacitor foils, semiconductor components * **Electrical Conductors**: High-efficiency transformer windings and busbars * **Research Equipment**: Scientific instruments and laboratory apparatus * **Optical Applications**: High-reflectivity mirrors and precision components * **Chemical Processing**: Equipment for ultra-pure chemical production * **Food and Pharmaceutical**: High-purity packaging and processing equipment * **Aerospace**: Critical components requiring maximum purity and conductivity **6. International Standards** 1199-O is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | Al99.99 O | | **EN (Europe)** | EN AW-1199 O | | **ASTM (USA)** | ASTM B479 1199 O | | **UNS (USA)** | UNS A91199 O | | **JIS (Japan)** | A1199 O | | **GB (China)** | 1199 O | --- **Summary** **1199-O Aluminum Alloy** represents the **highest purity aluminum grade in the fully annealed condition**, offering **exceptional formability and maximum electrical conductivity**. With its 99.99% minimum aluminum content, this alloy provides the ultimate in workability for demanding forming operations while maintaining supreme electrical and thermal performance. The O temper condition makes 1199-O particularly valuable for applications requiring severe deformation and complex shapes in ultra-high purity environments, such as advanced electrical components, semiconductor applications, and ultra-pure chemical processing. Its unique combination of extreme formability, maximum conductivity, and excellent surface quality establishes 1199-O as the premium material choice for the most advanced electrical, electronic, and specialized industrial applications where material purity and performance are critical factors.

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 1466 gallon liquid totes Special package is available on request.