5119 Aluminum alloy,Aluminum 5119 alloy,E FORU

# Technical Datasheet: 5119 Aluminum Alloy --- ## 1. Material Overview **5119 Aluminum Alloy** is a high-strength aluminum-magnesium alloy specifically designed for automotive body sheet applications. As part of the 5xxx series, this non-heat-treatable alloy achieves its strength through solid solution strengthening and strain hardening. It offers an excellent combination of high strength, good formability, and superior surface quality, making it particularly suitable for automotive outer body panels and structural components. --- ## 2. Chemical Composition (Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 4.5–5.6 | Primary strengthening element | | Mn | 0.10–0.50 | Grain refinement and strength enhancement | | Cr | 0.05–0.25 | Stress corrosion resistance | | Cu | ≤0.20 | Impurity control | | Fe | ≤0.40 | Impurity control | | Si | ≤0.20 | Impurity control | | Zn | ≤0.15 | Impurity control | | Ti | ≤0.10 | Grain refinement | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- ## 3. Physical Properties | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.66 g/cm³ | ASTM B193 | | Melting Range | 580–640 °C | - | | Electrical Conductivity | 26–31% IACS | ASTM B193 | | Thermal Conductivity | 108–118 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.9 × 10⁻⁶/K (20–100°C) | ASTM E228 | | Modulus of Elasticity | 70.5 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 4. Mechanical Properties (Typical by Temper) | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 270–320 | 120–160 | 20–26 | | H2x | 320–370 | 240–280 | 14–18 | | H4x | 350–400 | 280–320 | 12–16 | | H4x (Bake hardened) | 380–430 | 320–360 | 10–14 | --- ## 5. Key Characteristics - **High Strength**: Excellent mechanical properties for automotive applications - **Good Formability**: Suitable for complex stamping operations - **Bake Hardening Response**: Significant strength increase after paint baking - **Excellent Surface Quality**: Superior finish for painted surfaces - **Good Corrosion Resistance**: Adequate performance for automotive environments - **Hemming Capability**: Good for edge hemming operations --- ## 6. Processing Characteristics **Forming Operations**: - Good for deep drawing and stamping - Suitable for complex panel forming - Excellent hemming characteristics - Moderate springback requiring compensation - Good flanging and bending properties **Joining Methods**: - Resistance Spot Welding: Excellent - Metal Inert Gas (MIG) Welding: Good - Tungsten Inert Gas (TIG) Welding: Good - Adhesive Bonding: Excellent - Mechanical Fastening: Good - Laser Welding: Suitable **Surface Treatments**: - Phosphating: Excellent results - Electrocoating: Very good adhesion - Painting: Superior finish quality - Powder Coating: Excellent results - Pre-treatment: Good for automotive coatings --- ## 7. Product Applications **Automotive Body Panels**: - Door outer panels - Hood outer panels - Trunk lids - Fenders and quarter panels **Automotive Structural Parts**: - Body reinforcements - Cross members - Seat frames - Chassis components **Commercial Vehicles**: - Truck body panels - Trailer sides - Bus body components - Recreational vehicle panels **Other Applications**: - Transportation equipment - Industrial enclosures - Marine components - General engineering structures --- ## 8. Available Forms & Sizes - Sheet: 0.6–3.0 mm thickness - Coil: Up to 2000 mm width - Strip: 0.5–2.0 mm thickness - Custom blanks: Automotive-specific sizes --- ## 9. International Standards | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5119 | AA-50 | | ASTM International | ASTM B209-5119 | ASTM B209 | | EN Standard | EN AW-5119 | EN 573-3 | | ISO Standard | AlMg5 | ISO 209 | | JIS Standard | A5119 | JIS H4000 | --- ## 10. Special Properties - **Bake Hardening**: 40–60 MPa strength increase after paint baking - **Surface Texture**: Excellent for automotive painting - **Impact Resistance**: Good energy absorption - **Fatigue Performance**: Suitable for dynamic loading - **Age Stability**: Consistent properties over time - **Recyclability**: Fully compatible with automotive recycling streams --- ## 11. Quality Assurance - Automotive-grade quality standards - Strict chemical composition control - Mechanical properties certification - Surface quality inspection - Dimensional accuracy control - Automotive OEM approval --- ## 12. Design Considerations - **Bake Hardening Utilization**: Design for post-forming strength increase - **Springback Compensation**: Account for material springback in die design - **Corrosion Protection**: Adequate for automotive service conditions - **Weight Reduction**: Significant savings versus steel - **Manufacturing Compatibility**: Suitable for automotive production processes --- ## 13. Automotive Performance | Property | 5119 Advantage | |---------|------------------| | Strength after Baking | Excellent increase | | Formability | Good for complex panels | | Surface Quality | Superior for painting | | Weight Savings | ~50% vs steel panels | | Production Compatibility | Excellent for auto processes | --- *Note: 5119 aluminum alloy is specifically engineered for automotive body sheet applications, offering an optimal balance of high strength, good formability, and excellent surface quality. Its bake hardening characteristic provides additional strength after the paint baking process, making it particularly valuable for automotive outer body panels where both formability and final strength are critical requirements.*

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 1838 gallon liquid totes Special package is available on request.