5052-H19 Aluminum alloy,Aluminum 5052-H19 alloy,E FORU

### **Technical Datasheet: 5052-H19 Aluminum Alloy** --- #### **1. Material Overview** **5052-H19 Aluminum Alloy** is a non-heat-treatable aluminum-magnesium alloy in the hardest commercially available strain-hardened temper. The H19 designation indicates the material has been cold worked to achieve the highest practical strength level while maintaining minimal ductility. This alloy combines excellent strength-to-weight ratio with good corrosion resistance, making it suitable for applications requiring high mechanical properties without heat treatment. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 2.2-2.8 | Primary strengthening element, provides solid solution strengthening | | Cr | 0.15-0.35 | Improves stress corrosion resistance and grain structure | | Si | ≤0.25 | Impurity control | | Fe | ≤0.40 | Impurity control | | Cu | ≤0.10 | Kept low to maintain corrosion resistance | | Mn | ≤0.10 | Impurity control | | Zn | ≤0.10 | Impurity control | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- #### **3. Physical Properties** | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.68 g/cm³ | ASTM B193 | | Melting Range | 607-650 °C | - | | Electrical Conductivity | 29-33% IACS | ASTM B193 | | Thermal Conductivity | 120-130 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/K (20-100°C) | ASTM E228 | | Modulus of Elasticity | 70.3 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- #### **4. Mechanical Properties (Typical)** | Property | Value Range | Test Standard | |----------|-------------|---------------| | Tensile Strength | 350-400 MPa | ASTM B557 | | Yield Strength (0.2% Offset) | 325-375 MPa | ASTM B557 | | Elongation (50mm) | 2-5% | ASTM B557 | | Hardness (Brinell) | 85-95 HB | ASTM E10 | | Shear Strength | 195-215 MPa | ASTM B831 | | Fatigue Strength (10⁷ cycles) | 130-150 MPa | ASTM E466 | | **Bend Radius (90°)** | **4-5×t** | **ASTM B311** | --- #### **5. Key Characteristics** - **Ultimate Strain-Hardened Strength**: Highest strength achievable through cold working in 5052 series - **Excellent Strength-to-Weight Ratio**: Superior mechanical properties for weight-sensitive applications - **Good Corrosion Resistance**: Maintains good resistance despite high strength level - **Limited Formability**: Suitable for simple bending operations only - **Good Anodizing Response**: Can be anodized for improved surface properties - **High Stiffness**: Excellent structural stability --- #### **6. Processing Characteristics** **Forming Operations:** - Simple bending with large radii only - Minimum bend radius: 4-5× thickness - Not recommended for deep drawing or severe forming - Suitable for straight roll forming **Joining Methods:** - GTAW (TIG) - Requires special procedure and may reduce strength in HAZ - GMAW (MIG) - With proper technique and filler selection - Resistance welding - Good results - Adhesive bonding - Excellent - Mechanical fastening - Preferred method - Riveting - Excellent **Surface Treatments:** - Anodizing - Good with proper pretreatment - Painting - Requires thorough surface preparation - Powder coating - Excellent adhesion with pretreatment - Chemical conversion - Good for corrosion protection --- #### **7. Product Applications** **Primary Applications:** - High-strength structural components - Automotive reinforcement members - Electrical bus components - Mechanical parts requiring high strength - Defense and aerospace components **Specific Uses:** - Vehicle structural reinforcements - Electrical conductor parts - Machinery components and frames - Bracket and support structures - High-strength covers and enclosures --- #### **8. Available Forms & Sizes** - Sheet: 0.8mm to 4.0mm thickness - Strip: 0.5mm to 3.0mm thickness - Coil: Up to 1200mm width - Plate: 6mm to 12mm thickness (special order) --- #### **9. International Standards** | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5052-H19 | AA-50 | | ASTM International | ASTM B209-5052H19 | ASTM B209 | | EN Standard | EN AW-5052-H19 | EN 573-3 | | ISO Standard | AlMg2.5-H19 | ISO 209 | | JIS Standard | A5052-H19 | JIS H4000 | | GB Standard (China) | 5052-H19 | GB/T 3880 | --- #### **10. Quality Assurance** - Certified mechanical properties to H19 requirements - Full traceability from raw material to finished product - Third-party certification available - Comprehensive mill test certificates - Statistical process control implementation - Compliance with ISO 9001 quality systems --- #### **11. Design Considerations** - **Springback**: Significant springback must be accounted for in design - **Forming Limitations**: Limited to simple bending operations - **Joining**: Mechanical fastening preferred over welding - **Stress Relief**: Not typically required - **Fatigue Performance**: Good for high-cycle applications --- #### **12. Comparative Properties with Other Tempers** | Property | H32 | H34 | H38 | H19 | |----------|-----|-----|-----|-----| | Tensile Strength (MPa) | 230 | 260 | 290 | 350-400 | | Yield Strength (MPa) | 195 | 215 | 250 | 325-375 | | Elongation (%) | 12 | 10 | 7 | 2-5 | | Typical Applications | General purpose | Structural | High strength | Maximum strength | --- #### **13. Storage & Handling** - Protect edges from damage during handling - Store in dry conditions to prevent corrosion - Use proper lifting equipment for heavy coils - Avoid sharp contact with other metals - Maintain clean storage environment - Use appropriate packaging to prevent surface damage --- *Note: 5052-H19 represents the highest strength temper available in the 5052 alloy series through cold working. While offering superior mechanical properties, its limited formability requires careful consideration in design and manufacturing processes. Always verify material properties for specific application requirements through appropriate testing and validation.*

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 1808 gallon liquid totes Special package is available on request.