8176-H24 Aluminum alloy,Aluminum 8176-H24 alloy，E FORU

### **Aluminum 8176-H24 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8176-H24** is a specialized electrical grade aluminum alloy supplied in a strain-hardened and partially annealed temper. The H24 temper indicates the material has been strain hardened and then partially annealed to achieve a specific balance of strength and formability, making it particularly suitable for building wire and electrical applications requiring consistent performance and reliable conductivity. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.8% | | Iron (Fe) | 0.25 - 0.45% | 0.35% | | Silicon (Si) | 0.15 - 0.30% | 0.22% | | Copper (Cu) | ≤ 0.05% | 0.03% | | Manganese (Mn) | 0.05 - 0.15% | 0.10% | | Zinc (Zn) | ≤ 0.05% | 0.03% | | Magnesium (Mg) | ≤ 0.05% | 0.03% | | Boron (B) | 0.01 - 0.04% | 0.02% | | Titanium (Ti) | ≤ 0.03% | 0.02% | | Other Elements (each) | ≤ 0.02% | - | | Total Other Elements | ≤ 0.08% | - | **Key Composition Features:** - Optimized for electrical conductivity applications - Enhanced purity with controlled iron and silicon content - Boron addition for improved conductivity performance - Specifically designed for H24 temper processing - Low impurity levels for consistent electrical properties --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.70 g/cm³ | 0.0975 lb/in³ | | Melting Range | 655-660°C | 1211-1220°F | | Thermal Conductivity | 218-228 W/m·K | - | | Electrical Conductivity | 59-61% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/°C | 13.2 × 10⁻⁶/°F | | Specific Heat Capacity | 900 J/kg·K | - | | Electrical Resistivity | 28.3-29.2 nΩ·m | - | --- #### **4. Mechanical Properties (H24 Temper)** **Typical Mechanical Properties:** - **Tensile Ultimate Strength**: 130-150 MPa (19-22 ksi) - **Tensile Yield Strength (0.2% Offset)**: 110-130 MPa (16-19 ksi) - **Elongation in 50 mm**: 14-18% - **Shear Strength**: 80-95 MPa (12-14 ksi) - **Hardness (Brinell)**: 35-45 HB - **Fatigue Strength**: 65-75 MPa (9-11 ksi) - **Bearing Strength**: 210-250 MPa (30-36 ksi) **H24 Temper Characteristics:** - **Good Balance** of strength and formability - **Reduced Springback** compared to H2 tempers - **Improved Stability** during manufacturing - **Consistent Mechanical Properties** - **Adequate for Electrical Applications** --- #### **5. International Standards** **Primary Specifications:** - **UL 44**: Thermoset-Insulated Wires and Cables - **UL 83**: Thermoplastic-Insulated Wires and Cables - **NEC Article 310**: Conductors for General Wiring - **ASTM B800**: Standard Specification for 8000 Series Aluminum Alloy Wire for Electrical Purposes **Electrical Standards:** - **IEC 60228**: Conductors of insulated cables - **ANSI/NFPA 70**: National Electrical Code - **CSA C22.2**: Canadian Electrical Code - **NMX-J-010-ANCE**: Mexican Electrical Standards **Temper Standards:** - **EN 515**: Aluminum and aluminum alloys - Temper designations - **ASTM B296**: Standard Practice for Temper Designations - **ISO 2107**: Aluminum temper designations --- #### **6. Product Applications** **Building Wire Applications:** - Residential branch circuit wiring - Commercial building wiring - Service entrance cables - Feeder and branch circuit conductors - Appliance and equipment wiring **Electrical Cable Manufacturing:** - THHN/THWN insulated conductors - XHHW insulated cables - USE service entrance cables - Building wire products - Electrical distribution cables **Electrical Components:** - Transformer windings - Motor windings - Electrical connector components - Bus bar components - Power distribution equipment **Special Applications:** - Mobile home wiring - Recreational vehicle wiring - Marine wiring applications - Temporary installation wiring - Repair and replacement wiring --- #### **7. Key Characteristics** **H24 Temper Advantages:** - **Optimal Balance** of strength and formability - **Good Electrical Conductivity** (59-61% IACS) - **Excellent Bendability** for installation - **Reduced Springback** characteristics - **Consistent Performance** in wiring applications **Electrical Performance:** - **Reliable Current Carrying Capacity** - **Low Electrical Losses** - **Stable Electrical Properties** - **Good Thermal Conductivity** - **Code Compliant Performance** --- #### **8. Processing Characteristics** **Wire Drawing:** - Good drawing characteristics - Consistent mechanical properties - Adequate surface quality - Reliable production performance - Suitable for high-speed processing **Cable Manufacturing:** - Good stranding performance - Consistent flexibility - Reliable insulation application - Good compaction characteristics - Suitable for various insulation types **Installation Characteristics:** - **Excellent Bendability** - meets NEC requirements - **Good Handling** characteristics - **Adequate Strength** for pulling and installation - **Consistent Performance** in terminations - **Reliable Connection** properties --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Good Atmospheric Corrosion** resistance - **Adequate for Indoor Applications** - **Stable Surface Properties** - **Low Galvanic Corrosion** potential - **Suitable for Standard Environments** **Electrical Contact Properties:** - Stable connection performance - Reliable termination characteristics - Consistent electrical properties - Good compatibility with connectors --- #### **10. Quality Assurance** **Testing Requirements:** - Electrical conductivity verification - Mechanical property testing - Dimensional accuracy verification - Surface quality inspection - Performance validation per UL standards **Certification Requirements:** - UL certification for building wire - CSA certification for Canadian market - NEC compliance verification - Mill test certificates - Regular quality system audits --- #### **11. Comparison with Building Wire Alloys** | Property | 8176-H24 | AA1350-H24 | AA8030-H24 | |----------|-----------|-------------|-------------| | Electrical Conductivity (% IACS) | 59-61 | 61-63 | 60-62 | | Tensile Strength (MPa) | 130-150 | 125-145 | 135-155 | | NEC Compliance | Fully Compliant | Fully Compliant | Fully Compliant | | Typical Applications | Building wire | Electrical conductors | Building wire | --- #### **Conclusion** Aluminum 8176-H24 alloy represents a code-compliant electrical conductor material specifically designed for building wire applications. The H24 temper provides an optimal balance of mechanical strength and formability, ensuring reliable performance during installation and service. The alloy meets all relevant electrical codes and standards, making it suitable for residential, commercial, and industrial wiring applications. Its consistent electrical properties, combined with good mechanical characteristics and reliable processing performance, make 8176-H24 a preferred choice for electrical contractors and manufacturers seeking code-compliant aluminum building wire solutions. The alloy's proven performance in the field and compliance with industry standards ensure safe and reliable electrical distribution in various building applications.

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 2269 gallon liquid totes Special package is available on request.