5252-O Aluminum alloy,Aluminum 5252-O alloy,E FORU

### **5252-O Aluminum Alloy Technical Datasheet** **Material Overview** 5252-O is the annealed temper of the 5252 aluminum-magnesium alloy, characterized by maximum ductility and superior formability. In the "O" (annealed) condition, this non-heat-treatable alloy achieves its softest state, making it ideal for severe forming operations and complex fabrication processes. The alloy maintains excellent surface quality and corrosion resistance while offering exceptional workability for demanding manufacturing applications. --- ### **1. Chemical Composition (Weight %)** | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 2.2 - 2.8 | | Chromium (Cr) | 0.15 - 0.35 | | Iron (Fe) | ≤ 0.10 | | Silicon (Si) | ≤ 0.08 | | Copper (Cu) | ≤ 0.10 | | Manganese (Mn) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.10 | | Titanium (Ti) | ≤ 0.10 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value | |----------|-------| | Density | 2.68 g/cm³ | | Melting Range | 607 - 649 °C | | Electrical Conductivity | 37-42% IACS | | Thermal Conductivity | 145 - 155 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.9 × 10⁻⁶/°C | | Modulus of Elasticity | 70 GPa | | Specific Heat Capacity | 900 J/kg·K | --- ### **3. Mechanical Properties** | Property | Typical Value | |----------|---------------| | Tensile Strength | 170 - 210 MPa | | Yield Strength (0.2% Offset) | 65 - 105 MPa | | Elongation (50mm) | 24 - 30% | | Hardness (Brinell) | 45 - 55 HB | | Shear Strength | 110 - 140 MPa | | Fatigue Strength | 90 - 110 MPa | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Deep Drawing & Stamping** - Complex deep-drawn components - Severe forming applications - Intricate stamped parts - Multi-stage formed components - **Automotive Components** - Complex body panels - Interior trim components - Fuel tank components - Structural reinforcements - **Decorative Applications** - Decorative trim parts - Architectural elements - Consumer product components - Appliance trim - **General Manufacturing** - Complex fabricated parts - Prototype development - Custom components - Specialty products --- ### **5. International Standards Compliance** | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5252-O | | ASTM International | ASTM B209-5252 O | | European Standards | EN AW-5252 O | | Japanese Standards | JIS A5252 O | | International Standards | ISO 6361-2 | --- ### **6. Material Characteristics** **Key Advantages:** - Maximum ductility and formability - Excellent deep drawing capability - Superior surface finish quality - Good corrosion resistance - Excellent weldability - Ideal for complex forming operations **Special Features:** - **Surface Quality** - Excellent response to polishing - Superior anodizing characteristics - Good painting adhesion - Consistent surface appearance - **Forming Performance** - Exceptional deep drawing capability - Minimal springback - Suitable for severe bending - Excellent stretch forming characteristics --- ### **7. Processing Characteristics** **Manufacturing Considerations:** - **Forming Operations** - Excellent deep drawing performance - Minimal springback characteristics - Suitable for severe bending operations - Excellent stretch forming capability - **Joining Technology** - Excellent weldability using all standard methods - Recommended filler: 5356 - Good adhesive bonding characteristics - Suitable for mechanical fastening - **Heat Treatment** - Supplied in fully annealed condition - Can be strain-hardened after forming - Suitable for all cold working operations - Stable properties at room temperature - **Anodizing** - Excellent for decorative anodizing - Uniform coating thickness - Good color consistency - Suitable for bright anodizing --- ### **8. Quality Assurance** **Testing & Certification:** - Mechanical property verification - Chemical composition analysis - Formability testing - Surface quality inspection - Corrosion resistance evaluation - Mill test certificates per EN 10204 3.1 --- ### **9. Special Considerations** **Manufacturing Advantages:** - Ideal for prototyping and complex designs - Suitable for most severe forming operations - Excellent for parts requiring multiple forming stages - Consistent performance in high-volume production **Application Guidelines:** - Perfect for components requiring maximum formability - Suitable for subsequent strain hardening - Excellent base material for further processing - Recommended for welding complex assemblies --- **Technical Note:** 5252-O Aluminum Alloy provides the ultimate in formability and workability within the 5252 alloy system. The fully annealed condition makes it the preferred choice for applications requiring severe forming operations, complex geometries, and maximum ductility. The material can be subsequently strain-hardened to achieve higher strength levels if required by the final application, offering manufacturers exceptional flexibility in production processes. Its excellent surface quality and anodizing characteristics make it particularly suitable for decorative applications that require both complex forming and premium appearance.

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 1875 gallon liquid totes Special package is available on request.