5119A Aluminum alloy,Aluminum 5119A alloy,E FORU

# Technical Datasheet: 5119A Aluminum Alloy --- ## 1. Material Overview **5119A Aluminum Alloy** is a European designation for a high-strength aluminum-magnesium alloy specifically optimized for automotive body sheet applications. The "A" suffix indicates a variant with enhanced compositional controls and improved consistency for automotive manufacturing requirements. This non-heat-treatable alloy offers an exceptional balance of high strength, excellent formability, and superior surface quality for demanding automotive applications. --- ## 2. Chemical Composition (Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 4.3–5.2 | Primary strengthening element | | Mn | 0.10–0.40 | Grain refinement and strength enhancement | | Cr | 0.05–0.20 | Stress corrosion resistance | | Cu | ≤0.05 | Enhanced corrosion resistance | | Fe | ≤0.30 | Impurity control | | Si | ≤0.15 | Impurity control | | Zn | ≤0.10 | Impurity control | | Ti | ≤0.08 | Grain refinement | | Others (each) | ≤0.03 | - | | Others (total) | ≤0.10 | - | --- ## 3. Physical Properties | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.66 g/cm³ | EN 12384 | | Melting Range | 580–640 °C | - | | Electrical Conductivity | 27–32% IACS | EN 12384 | | Thermal Conductivity | 110–120 W/m·K | EN 12384 | | Coefficient of Thermal Expansion | 23.9 × 10⁻⁶/K (20–100°C) | EN 1770 | | Modulus of Elasticity | 70.5 GPa | EN 12384 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 4. Mechanical Properties (Typical by Temper) | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 260–310 | 110–150 | 22–28 | | H22 | 310–360 | 230–270 | 16–20 | | H24 | 340–390 | 270–310 | 14–18 | | H26 (Bake hardened) | 370–420 | 300–340 | 12–16 | --- ## 5. Key Characteristics - **High Strength with Good Formability**: Optimal balance for automotive panels - **Enhanced Bake Hardening**: Superior strength increase after paint curing - **Excellent Surface Quality**: Premium finish for Class A surfaces - **Superior Hemming Performance**: Excellent for edge hemming operations - **Good Corrosion Resistance**: Enhanced performance for automotive environments - **Consistent Properties**: Tight controls for automotive manufacturing --- ## 6. Processing Characteristics **Forming Operations**: - Excellent for deep drawing operations - Superior hemming capability - Good flanging and bending properties - Controlled springback characteristics - Suitable for complex panel geometries **Joining Methods**: - Resistance Spot Welding: Excellent performance - Metal Inert Gas (MIG) Welding: Very good - Adhesive Bonding: Superior adhesion - Self-Piercing Rivets: Excellent compatibility - Laser Welding: Good results - Mechanical Fastening: Very good **Surface Treatments**: - Zinc Phosphating: Excellent coating adhesion - Cathodic Electrocoating: Superior corrosion protection - Automotive Painting: Premium surface quality - Pre-treatment Systems: Excellent compatibility - Powder Coating: Very good results --- ## 7. Product Applications **Automotive Exterior Panels**: - Door outer panels (Class A surfaces) - Hood outer panels - Trunk lids and tailgates - Fenders and quarter panels **Automotive Structural Components**: - Body-in-white reinforcements - Cross car beams - Seat structures - Chassis components **Commercial Vehicle Applications**: - Truck cab panels - Bus body components - Trailer side panels - Commercial vehicle doors **Premium Automotive Applications**: - Luxury vehicle body panels - High-end recreational vehicles - Specialty vehicle components - Automotive trim parts --- ## 8. Available Forms & Sizes - Sheet: 0.7–2.5 mm thickness - Coil: 800–1850 mm width - Custom Blanks: Tailored for specific components - Precision Strip: 0.6–1.8 mm thickness --- ## 9. International Standards | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | EN Standard | EN AW-5119A | EN 573-3 | | Aluminum Association | 5119 (equivalent) | AA-50 | | ISO Standard | AlMg4.5 | ISO 209 | | DIN Standard | AlMg4.5Mn | DIN 1725-1 | | VDA Standard | VDA 239-100 | Material Specification | --- ## 10. Special Properties - **Bake Hardening Response**: 50–70 MPa strength increase after paint baking - **Surface Perfection**: Excellent for high-gloss paint finishes - **Impact Energy Absorption**: Good crash performance - **Fatigue Strength**: Suitable for dynamic automotive loads - **Thermal Stability**: Consistent properties in automotive service - **Recyclability**: Fully compatible with automotive recycling --- ## 11. Quality Assurance - Automotive-grade quality management - Enhanced chemical composition controls - Premium surface quality standards - Strict mechanical property verification - Comprehensive forming capability testing - Automotive OEM-specific approvals --- ## 12. Design Advantages - **Weight Reduction**: ~50% savings versus steel panels - **Bake Hardening Benefit**: Optimized strength after painting - **Manufacturing Efficiency**: Excellent for high-volume production - **Corrosion Performance**: Enhanced for automotive service life - **Crash Performance**: Good energy absorption characteristics --- ## 13. Automotive Performance Metrics | Property | 5119A Performance | |----------|-------------------| | Bake Hardening Increment | 50–70 MPa | | Hemming Quality | Excellent (no cracking) | | Surface Class | Suitable for Class A | | Weight Reduction | 45–55% vs steel | | Production Compatibility | Automotive proven | --- *Note: 5119A aluminum alloy represents a premium automotive-grade material with enhanced controls and optimized properties for modern vehicle manufacturing. Its combination of high strength, excellent formability, and superior surface quality makes it particularly suitable for automotive outer body panels and structural components where weight reduction, manufacturing efficiency, and final product quality 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 1839 gallon liquid totes Special package is available on request.