1198 Aluminum alloy,Aluminum 1198 alloy,E FORU

### **1198 Aluminum Alloy Product Introduction** **1. Overview** 1198 Aluminum Alloy is an ultra-high purity aluminum grade from the 1xxx series, representing one of the purest forms of commercially available aluminum. With its exceptional aluminum content, this alloy delivers supreme electrical conductivity, outstanding corrosion resistance, and excellent workability. As a non-heat-treatable alloy, its properties are primarily enhanced through cold working processes, 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 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 exceptional purity level (99.98% min aluminum) ensures near-theoretical maximum electrical conductivity and superior corrosion resistance properties.* **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)** | 40-60 | 5-15 | 55-75 | | **H18 (Full-Hard)** | 120-145 | 110-130 | 10-20 | *Key Characteristics:* * **Maximum Conductivity**: Supreme electrical and thermal conductivity * **Superior Corrosion Resistance**: Excellent performance in various environments * **Outstanding Formability**: Perfect for precision forming operations * **High Purity**: Minimal impurity content for specialized applications **5. Product Applications** 1198 aluminum is used in specialized applications requiring extreme purity and performance. * **Electronics**: Ultra-pure capacitor foils, advanced semiconductor components * **Electrical Engineering**: Specialized busbars and ultra-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**: Critical components requiring maximum purity and conductivity * **Medical Equipment**: High-purity medical devices and instruments **6. International Standards** 1198 aluminum is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | Al99.98 | | **EN (Europe)** | EN AW-1198 [Al99.98] | | **ASTM (USA)** | ASTM B230/B231 1198 | | **UNS (USA)** | UNS A91198 | | **JIS (Japan)** | A1198 | | **GB (China)** | 1198 | --- **Summary** **1198 Aluminum Alloy** represents the **pinnacle of 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. 1198 aluminum serves as the ultimate material choice for the most technologically advanced applications across multiple high-technology industries, delivering uncompromised performance where conventional materials cannot meet the stringent purity requirements.

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 1464 gallon liquid totes Special package is available on request.