8017-H22 Aluminum alloy,Aluminum 8017-H22 alloy，E FORU

### **Aluminum 8017-H22 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8017-H22** is a strain-hardened aluminum alloy that has been partially annealed after cold working to achieve a quarter-hard temper with improved ductility and formability. The H22 temper designation indicates the material has been strain hardened and then partially annealed to achieve properties between those of fully strain-hardened and fully annealed material, offering an excellent balance of strength and workability for forming applications. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.3% | | Iron (Fe) | 0.40 - 0.70% | 0.55% | | Silicon (Si) | 0.20 - 0.50% | 0.35% | | Copper (Cu) | ≤ 0.07% | 0.05% | | Manganese (Mn) | 0.10 - 0.30% | 0.20% | | Zinc (Zn) | ≤ 0.07% | 0.05% | | Magnesium (Mg) | ≤ 0.07% | 0.05% | | Titanium (Ti) | ≤ 0.05% | 0.03% | | Other Elements (each) | ≤ 0.03% | - | | Total Other Elements | ≤ 0.10% | - | **Key Composition Features:** - Optimized for partial annealing response - Balanced Fe/Si ratio for consistent properties - Controlled manganese for uniform strengthening - Low impurity levels for enhanced formability - Specifically designed for H22 temper processing --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.71 g/cm³ | 0.0979 lb/in³ | | Melting Range | 645-655°C | 1193-1211°F | | Thermal Conductivity | 198-208 W/m·K | - | | Electrical Conductivity | 51-55% IACS | - | | Modulus of Elasticity | 69 GPa | 10.0 × 10⁶ psi | | Coefficient of Thermal Expansion | 23.6 × 10⁻⁶/°C | 13.1 × 10⁻⁶/°F | | Specific Heat Capacity | 900 J/kg·K | - | | Electrical Resistivity | 31-34 nΩ·m | - | --- #### **4. Mechanical Properties (H22 Temper)** **Typical Mechanical Properties:** - **Tensile Ultimate Strength**: 120-140 MPa (17-20 ksi) - **Tensile Yield Strength (0.2% Offset)**: 100-120 MPa (15-17 ksi) - **Elongation in 50 mm**: 15-20% - **Shear Strength**: 85-100 MPa (12-15 ksi) - **Hardness (Brinell)**: 35-45 HB - **Fatigue Strength**: 65-75 MPa (9-11 ksi) - **Bearing Strength**: 210-240 MPa (30-35 ksi) - **Modulus of Elasticity**: 69 GPa (10.0 × 10⁶ psi) **Formability Characteristics:** - **Minimum Bend Radius**: 0.5t (where t = thickness) - **Erichsen Cupping Value**: 8.0-9.5 mm - **Limit Drawing Ratio**: 1.9-2.1 - **Springback Characteristics**: Reduced compared to H12 - **Stretcher Strain Resistance**: Excellent --- #### **5. International Standards** **Primary Specifications:** - **EN 573-3**: Aluminum and aluminum alloys - Chemical composition and form of wrought products - **ISO 209**: Wrought aluminum and aluminum alloys - Chemical composition and forms of products - **GB/T 3190**: Wrought aluminum and aluminum alloy chemical composition (China) **Product Standards:** - **EN 485-2**: Aluminum and aluminum alloys - Sheet, strip and plate - **ASTM B209**: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate - **ASTM B479**: Standard Specification for Annealed Aluminum Foil for Flexible Barrier Applications **Temper Standards:** - **EN 515**: Aluminum and aluminum alloys - Temper designations - **ASTM B296**: Standard Practice for Temper Designations of Aluminum Alloys - **ISO 2107**: Aluminum and aluminum alloys - Temper designations --- #### **6. Product Applications** **Automotive Components:** - Body trim with complex forms - Heat shield components - Electrical bracket assemblies - Interior trim panels - Light structural reinforcements **Electrical Enclosures:** - Control box covers - Electrical cabinet panels - Junction box components - Transformer covers - Switchgear housing **Building Applications:** - Architectural trim elements - Curtain wall components - Interior partition panels - Ceiling system components - Decorative building elements **Consumer Products:** - Appliance panels and covers - Furniture components - Display system parts - Lighting fixture components - General hardware items --- #### **7. Key Characteristics** **H22 Temper Advantages:** - **Enhanced Formability** compared to H12 temper - **Reduced Springback** during forming - **Elimination of Luders Lines** - **More Uniform Mechanical Properties** - **Improved Surface Quality** after forming - **Better Consistency** in production runs **Processing Benefits:** - Suitable for complex bending operations - Excellent for roll forming applications - Good deep drawing characteristics - Reduced risk of edge cracking - Consistent performance in stamping --- #### **8. Processing Characteristics** **Forming Operations:** - **Excellent Bendability** - tight radius bending capability - **Good Deep Drawing** performance - **Superior Roll Forming** characteristics - **Easy Stretch Forming** capability - **Reduced Springback** compared to strain-hardened tempers **Machining:** - Good machinability rating: 55% - Consistent chip formation - Recommended cutting speed: 110-230 m/min - Good surface finish achievable - Standard tooling requirements **Joining Methods:** - **Excellent Weldability** - all conventional methods suitable - **Good Brazing** characteristics - **Superior Soldering** performance - **Enhanced Adhesive Bonding** - **Reliable Mechanical Fastening** --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Very good - **Pitting Resistance**: Good - **Stress Corrosion Cracking**: Not susceptible - **Galvanic Corrosion**: Requires proper design considerations - **Industrial Environment**: Adequate performance **Surface Treatment Response:** - Good anodizing characteristics - Excellent painting and coating adhesion - Consistent chemical conversion coating - Suitable for various finishing processes --- #### **10. Thermal Treatment & Stability** **H22 Temper Process:** - Initial cold working to achieve desired strength - Partial annealing at controlled temperatures - Stabilization to achieve final properties - Quality verification and testing **Service Temperature Range:** - Continuous service: Up to 150°C (300°F) - Intermittent service: Up to 200°C (392°F) - Good thermal stability for most applications - Minimal property degradation at elevated temperatures --- #### **11. Quality Assurance** **Testing Requirements:** - Mechanical property verification - Formability testing - Surface quality inspection - Dimensional accuracy checking - Consistency of properties throughout coil **Certification:** - Mill test certificates to applicable standards - Temper process verification - Material traceability - Customer-specific quality requirements - Regular quality system audits --- #### **12. Comparison with Similar Tempers** | Property | 8017-H22 | 8017-H12 | 8017-O | |----------|-----------|-----------|---------| | Tensile Strength (MPa) | 120-140 | 125-145 | 95-115 | | Yield Strength (MPa) | 100-120 | 105-125 | 35-55 | | Elongation (%) | 15-20 | 12-16 | 28-35 | | Formability | Very Good | Good | Excellent | | Surface Quality | Excellent | Good | Very Good | --- #### **Conclusion** Aluminum 8017-H22 alloy offers an optimal combination of moderate strength and excellent formability, making it particularly suitable for applications requiring complex forming operations where consistent performance and good surface quality are essential. The partial annealing process used to achieve the H22 temper provides enhanced ductility and reduced springback compared to fully strain-hardened tempers, while maintaining adequate strength for many structural and semi-structural applications. This balance of properties makes 8017-H22 an excellent choice for automotive components, electrical enclosures, architectural elements, and consumer products where both aesthetic appeal and functional performance are important. The material's consistent behavior in manufacturing processes and reliable mechanical properties ensure predictable results in high-volume production environments.

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 2235 gallon liquid totes Special package is available on request.