5051 Aluminum alloy,Aluminum 5051 alloy,E FORU

### **Technical Datasheet: 5051 Aluminum Alloy** --- #### **1. Material Overview** **5051 Aluminum Alloy** is a non-heat-treatable aluminum-magnesium alloy known for its excellent corrosion resistance, particularly in marine environments, and good formability. As part of the 5xxx series, it offers a balanced combination of medium strength, good workability, and superior performance in corrosive environments. This alloy is widely used in marine applications, automotive trim, and architectural components. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 1.7-2.3 | Primary strengthening element, provides solid solution strengthening | | Si | ≤0.30 | Impurity control | | Fe | ≤0.40 | Impurity control | | Cu | ≤0.10 | Kept low to maintain corrosion resistance | | Mn | 0.10-0.40 | Enhances strength and work hardening response | | Cr | ≤0.15 | Improves stress corrosion resistance | | Zn | ≤0.20 | Impurity control | | Ti | ≤0.10 | Grain refiner | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- #### **3. Physical Properties** | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.69 g/cm³ | ASTM B193 | | Melting Range | 610-650 °C | - | | Electrical Conductivity | 35-40% IACS | ASTM B193 | | Thermal Conductivity | 130-140 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/K (20-100°C) | ASTM E228 | | Modulus of Elasticity | 70 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- #### **4. Mechanical Properties (Typical)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |--------|------------------------|----------------------|----------------|---------------| | O | 180-220 | 70-100 | 18-24 | 40-50 | | H32 | 210-250 | 160-190 | 10-15 | 55-65 | | H34 | 230-270 | 190-220 | 8-12 | 60-70 | | H36 | 240-280 | 210-240 | 6-10 | 65-75 | --- #### **5. Key Characteristics** - **Excellent Marine Corrosion Resistance**: Superior performance in saltwater environments - **Good Formability**: Suitable for various forming operations including deep drawing - **Medium Strength**: Balanced mechanical properties for general applications - **Excellent Weldability**: All standard welding methods applicable with good results - **Good Brazeability**: Suitable for brazing operations - **Anodizing Response**: Good surface treatment capabilities with uniform appearance --- #### **6. Processing Characteristics** **Forming Operations:** - Excellent deep drawing capability (O temper) - Good bending and roll forming characteristics - Suitable for spinning operations - Moderate springback in H tempers **Joining Methods:** - GTAW (TIG) - Excellent results - GMAW (MIG) - Excellent results - Resistance welding - Very good - Adhesive bonding - Excellent - Mechanical fastening - Good **Surface Treatments:** - Anodizing - Very good, uniform appearance - Painting - Excellent adhesion - Powder coating - Superior finish quality - Chemical conversion coatings - Good results - Polishing and buffing - Very good --- #### **7. Product Applications** **Marine Applications:** - Boat hull components - Marine fittings and hardware - Deck structures - Offshore platform components **Automotive Applications:** - Body panels and trim - Interior components - Decorative moldings - Wheel covers **Architectural Applications:** - Building facades - Roofing and siding - Decorative trim - Window frames **General Applications:** - Appliance components - Electrical enclosures - Food processing equipment - Chemical handling components --- #### **8. Available Forms & Sizes** - Sheet: 0.5mm to 6.0mm thickness - Strip: 0.3mm to 3.0mm thickness - Plate: 6mm to 50mm thickness - Coil: Up to 1500mm width - Circles: Various diameters for stamping --- #### **9. International Standards** | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5051 | AA-50 | | ASTM International | ASTM B209 | ASTM B209 | | EN Standard | EN AW-5051 | EN 573-3 | | ISO Standard | AlMg2 | ISO 209 | | JIS Standard | A5051 | JIS H4000 | | GB Standard | 5051 | GB/T 3190 | --- #### **10. Corrosion Resistance** - **Marine Atmosphere**: Excellent - **Industrial Atmosphere**: Very good - **Stress Corrosion Cracking**: Good resistance - **Pitting Resistance**: Excellent - **Intergranular Corrosion**: Good resistance --- #### **11. Quality Assurance** - Chemical composition certification - Mechanical properties verification - Surface quality inspection - Dimensional accuracy control - Non-destructive testing available - Third-party certification services --- #### **12. Special Notes** - Not recommended for continuous service above 150°C - Suitable for cryogenic applications - Good fatigue resistance - Excellent impact resistance - Recyclable and environmentally friendly --- #### **13. Storage & Handling Recommendations** - Store in dry, well-ventilated areas - Protect from mechanical damage during handling - Use appropriate separators between sheets - Avoid contact with other metals to prevent galvanic corrosion - Maintain clean handling conditions to preserve surface quality --- *Note: 5051 aluminum alloy provides an excellent balance of corrosion resistance, formability, and medium strength. It is particularly suitable for marine applications and other corrosive environments. For applications requiring specific properties, consult with material engineers to select the appropriate temper and processing conditions.*

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 1807 gallon liquid totes Special package is available on request.