1350-O Aluminum alloy,Aluminum 1350-O alloy,E FORU

### **1350-O Aluminum Alloy Product Introduction** **1. Overview** 1350-O is the annealed temper of the electrical conductor grade 1350 aluminum alloy, representing the softest and most ductile condition in the aluminum temper series. The "O" temper designation indicates that the material has been fully annealed to achieve maximum softness and workability. This temper offers the highest electrical conductivity among all tempers of 1350 aluminum, making it ideal for applications requiring maximum current carrying capacity and superior formability for complex manufacturing processes. **2. Chemical Composition (Typical, % by Weight)** The composition maintains the high purity standards of 1350 aluminum alloy with controlled impurities for optimal electrical performance. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | ≥99.50 | | **Iron (Fe)** | ≤0.25 | | **Silicon (Si)** | ≤0.15 | | **Copper (Cu)** | ≤0.03 | | **Manganese (Mn)** | ≤0.02 | | **Zinc (Zn)** | ≤0.05 | | **Other Elements (Each)** | ≤0.03 | | **Other Elements (Total)** | ≤0.10 | *Note: The controlled composition with minimal impurities ensures maximum electrical conductivity in the annealed condition.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.71 g/cm³ | | **Melting Point** | 646-657°C | | **Electrical Conductivity** | 62% 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 for O Temper)** The O temper provides the softest condition with maximum ductility for 1350 aluminum. | Property | Value | |----------|-------| | **Tensile Strength** | 75-100 MPa | | **Yield Strength (0.2% Offset)** | 25-40 MPa | | **Elongation (% in 50mm)** | 30-40% | | **Hardness (Brinell)** | 23-28 HB | *Key Characteristics of O Temper:* * **Maximum Ductility**: Highest elongation capability for severe forming operations * **Excellent Formability**: Ideal for deep drawing, spinning, and complex forming * **Highest Conductivity**: Supreme electrical conductivity among all tempers * **Low Strength**: Minimum mechanical strength with maximum workability **5. Product Applications** 1350-O is supplied as wire, cable, busbar, and strip for applications requiring maximum conductivity and formability. * **Electrical Transformers**: Windings and coils requiring maximum conductivity * **Power Cables**: Flexible power cables and building wires * **Busbar Systems**: Electrical busbars for power distribution * **Motor Windings**: Windings for electric motors and generators * **Electrical Connectors**: Flexible connectors and terminal components * **Magnet Wire**: Enamelled wires for electromagnetic applications * **Custom Electrical Components**: Specialized components requiring complex forming **6. International Standards** 1350-O is recognized under major international standardization systems for electrical applications. | Standard System | Designation | |-----------------|-------------| | **EN (Europe)** | EN AW-1350A O | | **IEC** | IEC 60104 | | **ASTM (USA)** | ASTM B230/B231 1350 O | | **UNS (USA)** | UNS A91350 O | | **JIS (Japan)** | A1350 O | | **GB (China)** | 1350 O | --- **Summary** **1350-O Aluminum Alloy** represents the **fully annealed, softest temper** in the 1350 aluminum series, providing the **maximum electrical conductivity and formability** while maintaining the fundamental benefits of electrical conductor grade aluminum. This temper offers superior workability characteristics including exceptional elongation capability, easy formability, and the highest current carrying capacity, making it the preferred choice for applications requiring severe deformation and complex shaping in electrical components. The combination of supreme conductivity with excellent formability makes 1350-O an indispensable material for transformer windings, flexible power cables, motor windings, and any electrical application where maximum conductivity and manufacturing flexibility are essential. Its proven performance in electrical applications establishes 1350-O as the benchmark for conductivity and workability in aluminum electrical conductors.

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 1487 gallon liquid totes Special package is available on request.