1098 Aluminum alloy,Aluminum 1098 alloy,E FORU

### **1098 Aluminum Alloy Product Introduction** **1. Overview** 1098 Aluminum Alloy represents one of the purest forms of commercially available aluminum in the 1xxx series, with a minimum aluminum content of 99.98%. This exceptional purity level makes it suitable for the most demanding applications where maximum electrical conductivity, corrosion resistance, and material purity are required. As a non-heat-treatable alloy, its properties are primarily enhanced through cold working processes, maintaining the fundamental characteristics of pure aluminum while offering specialized performance for high-technology applications. **2. Chemical Composition (Typical, % by Weight)** The composition approaches the practical limits of commercial aluminum purity. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | ≥99.98 | | **Iron (Fe)** | ≤0.010 | | **Silicon (Si)** | ≤0.010 | | **Copper (Cu)** | ≤0.005 | | **Manganese (Mn)** | ≤0.005 | | **Zinc (Zn)** | ≤0.005 | | **Other Elements (Each)** | ≤0.005 | | **Other Elements (Total)** | ≤0.015 | *Note: The extreme purity level (99.98% min aluminum) ensures near-theoretical maximum electrical conductivity and exceptional corrosion resistance.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.70 g/cm³ | | **Melting Point** | 660°C | | **Electrical Conductivity** | 69% IACS | | **Thermal Conductivity** | 248 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 68 GPa | **4. Mechanical Properties (Typical)** Mechanical properties are influenced by the manufacturing process and temper condition. | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O (Annealed)** | 45-65 | 5-15 | 55-75 | | **H18 (Full-Hard)** | 110-130 | 100-120 | 15-25 | *Key Characteristics:* * **Maximum Conductivity**: Exceptional electrical and thermal conductivity * **Superior Corrosion Resistance**: Excellent performance in various environments * **Outstanding Formability**: Excellent for precision forming operations * **High Purity**: Minimal impurity content for specialized applications **5. Product Applications** 1098 aluminum is used in specialized applications requiring extreme purity and performance. * **Electronics**: High-purity capacitor foils, advanced semiconductor components * **Electrical Engineering**: Specialized busbars and high-efficiency conductors * **Research & Development**: Scientific instruments and experimental applications * **Optical Industry**: Precision mirrors and high-performance reflectors * **Chemical Processing**: Equipment for ultra-pure chemical production * **Aerospace**: Specialized components requiring high purity and conductivity * **Medical Equipment**: High-purity medical devices and instruments **6. International Standards** 1098 aluminum is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | Al99.98 | | **EN (Europe)** | EN AW-1098 [Al99.98] | | **ASTM (USA)** | ASTM B230/B231 1098 | | **UNS (USA)** | UNS A91098 | | **JIS (Japan)** | A1098 | | **GB (China)** | 1098 | --- **Summary** **1098 Aluminum Alloy** represents the **ultimate in commercial aluminum purity**, offering **exceptional electrical and thermal conductivity** along with **superior corrosion resistance**. With a minimum aluminum content of 99.98%, this alloy provides the highest level of performance characteristics available in commercial aluminum grades. Its combination of extreme purity and excellent physical properties makes it particularly valuable for advanced electronics, specialized electrical applications, high-purity chemical processing, and other demanding fields where maximum material performance is essential. 1098 aluminum serves as the premium material choice for the most technologically advanced applications across multiple high-technology 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 1442 gallon liquid totes Special package is available on request.