5051A Aluminum alloy,Aluminum 5051A alloy,E FORU

### **Technical Datasheet: 5051A Aluminum Alloy** --- #### **1. Material Overview** **5051A Aluminum Alloy** is a European designation for a non-heat-treatable aluminum-magnesium alloy with excellent corrosion resistance and good formability. The "A" suffix indicates a variant with controlled composition for enhanced manufacturing consistency and specific property requirements. This alloy is particularly valued for its balanced combination of mechanical properties and workability in various industrial applications. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Control Purpose | |---------|-------------|-----------------| | Al | Balance | Base metal | | Mg | 1.7-2.3 | Solid solution strengthening | | Si | ≤0.30 | Impurity control | | Fe | ≤0.40 | Impurity control | | Cu | ≤0.10 | Corrosion resistance | | Mn | 0.10-0.40 | Strength enhancement | | Cr | ≤0.15 | Grain structure control | | Zn | ≤0.20 | Impurity control | | Ti | ≤0.10 | Grain refinement | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- #### **3. Physical Properties** | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.69 g/cm³ | EN 12384 | | Melting Range | 610-650 °C | - | | Electrical Conductivity | 35-40% IACS | EN 12384 | | Thermal Conductivity | 130-140 W/m·K | EN 12384 | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/K (20-100°C) | EN 1770 | | Modulus of Elasticity | 70 GPa | EN 12384 | | Specific Heat Capacity | 900 J/kg·K | - | --- #### **4. Mechanical Properties (Typical)** | Property | O Temper | H12 Temper | H14 Temper | |----------|----------|-------------|-------------| | Tensile Strength (MPa) | 180-220 | 210-250 | 230-270 | | Yield Strength (MPa) | 70-100 | 160-190 | 190-220 | | Elongation (%) | 18-24 | 10-15 | 8-12 | | Hardness (HB) | 40-50 | 55-65 | 60-70 | | Shear Strength (MPa) | 110-130 | 130-150 | 140-160 | --- #### **5. Key Characteristics** - **Excellent Corrosion Resistance**: Particularly in marine environments - **Good Formability**: Suitable for various forming operations - **Medium Strength**: Balanced mechanical properties - **Good Weldability**: All standard welding methods applicable - **Brazeability**: Suitable for brazing operations - **Anodizing Response**: Good surface treatment capabilities --- #### **6. Processing Characteristics** **Forming Operations:** - Good for deep drawing (O temper) - Suitable for bending and roll forming - Excellent for spinning operations - Moderate springback in H tempers **Joining Methods:** - GTAW (TIG) - Excellent - GMAW (MIG) - Excellent - Resistance welding - Very good - Adhesive bonding - Excellent - Mechanical fastening - Good **Surface Treatments:** - Anodizing - Very good results - Painting - Excellent adhesion - Powder coating - Superior finish - Chemical conversion - Good - Polishing - Very good --- #### **7. Product Applications** **Primary Applications:** - Marine components and fittings - Automotive body panels - Architectural trim and moldings - Appliance components - General sheet metal work **Specific Uses:** - Boat hull components - Automotive decorative trim - Building facade elements - Refrigerator inner panels - Electrical enclosure panels --- #### **8. Available Forms & Sizes** - Sheet: 0.5mm to 6.0mm thickness - Strip: 0.3mm to 3.0mm thickness - Coil: Up to 1500mm width - Plate: 6mm to 25mm thickness - Circles: Various diameters available --- #### **9. International Standards** | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | EN Standard | EN AW-5051A | EN 573-3 | | Aluminum Association | 5051 (equivalent) | AA-50 | | ISO Standard | AlMg2 | ISO 209 | | DIN Standard | AlMg2 | DIN 1725-1 | | NF Standard | 5051A | NF A50-411 | --- #### **10. Quality Assurance** - Full compliance with EN standards - Chemical composition certification - Mechanical properties verification - Surface quality inspection - Dimensional accuracy control - Third-party certification available --- #### **11. Special Features** - **Marine Grade Qualification**: Suitable for saltwater applications - **Temperature Resistance**: Good performance up to 150°C - **Fatigue Resistance**: Adequate for dynamic applications - **Stress Corrosion Resistance**: Good performance in stressed conditions --- #### **12. Comparative Analysis** | Property | 5051A Advantage | |----------|-----------------| | Corrosion Resistance | Superior to many 5xxx alloys | | Formability | Better than higher Mg alloys | | Strength | Balanced for general applications | | Surface Quality | Excellent for finishing | | Cost Effectiveness | Good value for performance | --- #### **13. Storage & Handling** - Store in dry, ventilated areas - Protect from mechanical damage - Use appropriate separators - Avoid contact with other metals - Maintain clean handling conditions --- *Note: 5051A is primarily a European designation with specific composition controls. Applications requiring specific tempers should specify the exact condition required. Consult with material specialists for critical applications involving extreme environments or special 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 1806 gallon liquid totes Special package is available on request.