8017-H212 Aluminum alloy,Aluminum 8017-H212 alloy，E FORU

### **Aluminum 8017-H212 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8017-H212** is a strain-hardened aluminum alloy supplied in a specific temper condition that combines strain hardening with thermal stabilization. The H212 temper indicates the material has been strain hardened to a quarter-hard level and then partially annealed to achieve improved formability while maintaining higher strength than the standard H12 temper. This specialized temper is particularly suitable for applications requiring both good strength and enhanced formability characteristics. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥98.4% | | Iron (Fe) | 0.35 - 0.65% | 0.50% | | Silicon (Si) | 0.25 - 0.45% | 0.35% | | Copper (Cu) | ≤ 0.06% | 0.04% | | Manganese (Mn) | 0.10 - 0.30% | 0.20% | | Zinc (Zn) | ≤ 0.06% | 0.04% | | Magnesium (Mg) | ≤ 0.06% | 0.04% | | Titanium (Ti) | ≤ 0.04% | 0.02% | | Chromium (Cr) | ≤ 0.05% | 0.03% | | Other Elements (each) | ≤ 0.03% | - | | Total Other Elements | ≤ 0.10% | - | **Key Composition Features:** - Optimized for H212 temper processing - Balanced Fe/Si ratio for thermal stability - Enhanced manganese for improved strength retention - Ultra-low copper for superior corrosion resistance - Controlled impurities for consistent performance --- #### **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 | 195-205 W/m·K | - | | Electrical Conductivity | 50-54% 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 | - | | Thermal Stability | Excellent up to 150°C | Excellent up to 300°F | --- #### **4. Mechanical Properties (H212 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**: 90-105 MPa (13-15 ksi) - **Hardness (Brinell)**: 40-50 HB - **Fatigue Strength**: 70-80 MPa (10-12 ksi) - **Bearing Strength**: 230-260 MPa (33-38 ksi) - **Modulus of Elasticity**: 69 GPa (10.0 × 10⁶ psi) **Special H212 Characteristics:** - **Reduced Directional Properties** compared to H12 - **Improved Thermal Stability** - **Better Formability** than standard H12 temper - **Reduced Risk of Luders Lines** - **More Uniform Mechanical Properties** --- #### **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 - **AA TEAL Sheets**: Aluminum Association Technical Registration **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:** - Heat exchanger fins - Trim components with formed edges - Electrical system brackets - Sensor mounting plates - Light structural reinforcements **Electrical Industry:** - Bus bar components requiring forming - Electrical enclosure parts - Transformer covers - Switchgear components - Cable management systems **Building & Construction:** - Architectural trim with formed profiles - Curtain wall components - Interior design elements - Lighting fixture parts - Decorative panels **General Manufacturing:** - Formed covers and housings - Machinery guards with bent edges - Cabinet components - Display system parts - Industrial equipment panels --- #### **7. Key Characteristics** **H212 Temper Advantages:** - **Improved Formability** over standard H12 temper - **Reduced Anisotropy** in mechanical properties - **Better Surface Quality** after forming - **Enhanced Thermal Stability** - **More Consistent Springback** characteristics - **Reduced Directional Property Variation** **Processing Benefits:** - Suitable for complex forming operations - Reduced risk of orange peel effect - Better consistency in high-volume production - Improved performance in roll forming - Enhanced weldability characteristics --- #### **8. Processing Characteristics** **Forming Operations:** - **Excellent Bendability** - minimum bend radius: 0.8t - **Good Deep Drawing** capability - **Superior Roll Forming** characteristics - **Easy Stretch Forming** performance - **Reduced Springback** compared to H12 **Machining:** - Good machinability rating: 58% - Consistent chip formation - Recommended cutting speed: 120-240 m/min - Good surface finish achievable - Reduced tool wear due to stabilized structure **Joining Methods:** - **Excellent Weldability** - all conventional methods - **Good Brazing** performance - **Superior Soldering** characteristics - **Enhanced Adhesive Bonding** due to stable surface - **Reliable Mechanical Fastening** --- #### **9. Corrosion Resistance** **Performance Characteristics:** - **Atmospheric Corrosion**: Very good - **Pitting Resistance**: Good to very good - **Stress Corrosion Cracking**: Not susceptible - **Galvanic Corrosion**: Good with proper design - **Industrial Environment**: Good performance **Enhanced Features:** - Stable corrosion performance after forming - Consistent surface treatment response - Good paint adhesion characteristics - Suitable for various finishing processes --- #### **10. Thermal Treatment & Stability** **H212 Temper Process:** - Initial strain hardening to quarter-hard level - Partial annealing at 250-300°C (482-572°F) - Controlled cooling for stabilized structure - Final mechanical properties verification **Thermal Stability:** - Stable up to 150°C (300°F) continuous service - Minimal property changes at elevated temperatures - Good creep resistance for light load applications - Suitable for moderate temperature environments --- #### **11. Quality Assurance** **Special Testing Requirements:** - Directional property verification - Thermal stability testing - Formability consistency testing - Surface quality after forming - Mechanical property uniformity **Certification:** - Enhanced mill test certificates - Temper process verification - Statistical process control data - Customer-specific performance validation - Regular quality audit compliance --- #### **12. Comparison with Similar Tempers** | Property | 8017-H212 | 8017-H12 | 8017-H22 | |----------|------------|-----------|-----------| | Tensile Strength (MPa) | 130-150 | 125-145 | 120-140 | | Yield Strength (MPa) | 110-130 | 105-125 | 100-120 | | Elongation (%) | 14-18 | 12-16 | 15-20 | | Directional Properties | More uniform | Moderate | Most uniform | | Typical Applications | Complex forming | General forming | Maximum formability | --- #### **Conclusion** Aluminum 8017-H212 alloy represents an optimized material solution for applications requiring an enhanced balance of strength, formability, and property consistency. The specialized H212 temper process provides more uniform mechanical properties throughout the material, reduced directional characteristics, and improved performance in complex forming operations compared to standard strain-hardened tempers. This makes it particularly valuable for automotive components, electrical applications, and architectural elements where consistent forming behavior and reliable performance are critical. The thermal stability and enhanced processing characteristics of the H212 temper ensure predictable manufacturing results and reduced production variables, making it an excellent choice for high-volume manufacturing environments requiring consistent quality and performance.

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 2234 gallon liquid totes Special package is available on request.