1180-H18 Aluminum alloy,Aluminum 1180-H18 alloy,E FORU

### **1180-H18 Aluminum Alloy Product Introduction** **1. Overview** 1180-H18 is a strain-hardened temper of an ultra-high purity aluminum alloy from the 1xxx series, representing the full-hard condition. The "H18" temper designation indicates that the material has been strain-hardened to achieve maximum strength without subsequent thermal treatment. With its exceptional aluminum content and full-hard temper, 1180-H18 offers an outstanding combination of high strength, excellent electrical conductivity, and superior corrosion resistance, making it particularly suitable for specialized electrical and electronic applications requiring both mechanical rigidity and optimal electrical performance. **2. Chemical Composition (Typical, % by Weight)** The composition adheres to ultra-high purity standards with strictly controlled impurity levels. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | ≥99.80 | | **Iron (Fe)** | ≤0.10 | | **Silicon (Si)** | ≤0.08 | | **Copper (Cu)** | ≤0.02 | | **Manganese (Mn)** | ≤0.02 | | **Zinc (Zn)** | ≤0.03 | | **Other Elements (Each)** | ≤0.02 | | **Other Elements (Total)** | ≤0.05 | *Note: The ultra-high purity composition (99.80% min aluminum) ensures maximum electrical conductivity while maintaining excellent mechanical properties in the hardened condition.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.71 g/cm³ | | **Melting Point** | 646-657°C | | **Electrical Conductivity** | 65% 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 for H18 Temper)** The H18 temper provides the highest strength achievable through cold working for 1180 aluminum. | Property | Value | |----------|-------| | **Tensile Strength** | 150-180 MPa | | **Yield Strength (0.2% Offset)** | 140-170 MPa | | **Elongation (% in 50mm)** | 3-6% | | **Hardness (Brinell)** | 40-46 HB | *Key Characteristics of H18 Temper:* * **High Strength**: Maximum strength for the alloy, suitable for rigid structural applications * **Excellent Electrical Conductivity**: Maintains high conductivity despite strain hardening * **Superior Corrosion Resistance**: Excellent resistance to various corrosive environments * **Good Rigidity**: Excellent dimensional stability and resistance to deformation **5. Product Applications** 1180-H18 is primarily supplied as foil, thin sheet, and strip for high-performance applications. * **Electronics**: High-purity capacitor foils, battery components, and electronic packaging * **Electrical Engineering**: High-efficiency busbars and specialized conductive components * **Food Packaging**: High-strength packaging foil for sensitive products * **Chemical Industry**: Corrosion-resistant containers and processing equipment * **Heat Exchangers**: High-performance fins and heat transfer components * **Aerospace**: Specialty components requiring high purity and strength * **Research Instruments**: Precision scientific equipment and laboratory apparatus **6. International Standards** 1180-H18 is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **ISO** | Al99.80 H18 | | **EN (Europe)** | EN AW-1180 H18 | | **ASTM (USA)** | ASTM B479 1180 H18 | | **UNS (USA)** | UNS A91180 H18 | | **JIS (Japan)** | A1180 H18 | | **GB (China)** | 1180 H18 | --- **Summary** **1180-H18 Aluminum Alloy** represents an **ultra-high purity aluminum grade in the full-hard temper**, offering an **exceptional combination of high strength and maximum electrical conductivity**. This unique combination makes it particularly valuable for advanced electrical and electronic applications where both mechanical rigidity and optimal electrical performance are critical requirements. The H18 temper condition ensures maximum strength characteristics while the ultra-high purity base composition (99.80% minimum aluminum) maintains superior electrical and thermal conductivity. This alloy serves specialized applications in electronics, electrical engineering, and high-purity industries where conventional materials cannot simultaneously meet the demanding requirements for both mechanical strength and electrical performance. 1180-H18 stands as a premium material choice for the most technologically advanced applications requiring uncompromised performance in multiple domains.

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 1458 gallon liquid totes Special package is available on request.