5250 Aluminum alloy,Aluminum 5250 alloy,E FORU

### **5250 Aluminum Alloy Technical Datasheet** **Material Overview** 5250 Aluminum Alloy is a non-heat-treatable aluminum-magnesium alloy from the 5xxx series, designed to provide a balanced combination of moderate strength, excellent corrosion resistance, and good formability. This alloy is particularly noted for its good surface quality and suitability for anodizing, making it ideal for automotive trim, architectural applications, and various consumer products. --- ### **1. Chemical Composition (Weight %)** | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 1.5 - 2.5 | | Manganese (Mn) | 0.05 - 0.20 | | Silicon (Si) | ≤ 0.25 | | Iron (Fe) | ≤ 0.35 | | Chromium (Cr) | 0.05 - 0.20 | | Copper (Cu) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.10 | | Titanium (Ti) | ≤ 0.05 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value | |----------|-------| | Density | 2.69 g/cm³ | | Melting Range | 610 - 650 °C | | Electrical Conductivity | 36-40% IACS | | Thermal Conductivity | 140 - 150 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.6 × 10⁻⁶/°C | | Modulus of Elasticity | 70 GPa | | Specific Heat Capacity | 900 J/kg·K | --- ### **3. Mechanical Properties** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 180 - 220 | 70 - 110 | 20 - 25 | | H32 | 220 - 260 | 170 - 210 | 12 - 16 | | H34 | 240 - 280 | 190 - 230 | 10 - 14 | | H36 | 260 - 300 | 210 - 250 | 8 - 12 | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Automotive Industry** - Body trim and moldings - Interior decorative parts - Wheel covers - License plate brackets - **Architectural Applications** - Decorative architectural panels - Interior trim components - Window and door fittings - Furniture components - **Consumer Products** - Appliance trim and handles - Electronic enclosures - Kitchenware and utensils - Sporting goods - **General Engineering** - Nameplates and signage - Decorative hardware - Light structural components - Fabricated parts --- ### **5. International Standards Compliance** | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5250 | | European Standards | EN AW-5250 | | Japanese Standards | JIS A5250 | | Chinese Standards | GB/T 3190 | --- ### **6. Material Characteristics** **Key Advantages:** - Good corrosion resistance in atmospheric environments - Excellent surface finish quality - Good anodizing characteristics - Moderate strength with excellent formability - Good welding performance - Cost-effective for decorative applications **Special Features:** - **Surface Quality** - Excellent response to anodizing treatments - Suitable for both clear and color anodizing - Good painting and coating adhesion - Consistent surface appearance - **Corrosion Performance** - Good atmospheric corrosion resistance - Suitable for indoor and outdoor applications - Resistant to industrial environments - Good weathering characteristics --- ### **7. Processing Characteristics** **Manufacturing Considerations:** - **Forming Operations** - Excellent formability in O temper - Good bending and stamping characteristics - Suitable for deep drawing operations - Minimal springback in soft tempers - **Welding** - Good weldability using standard methods - Recommended filler: 5356, 4043 - Good weld appearance - Minimal property degradation in HAZ - **Machining** - Good machinability in all tempers - Produces good surface finish - Suitable for precision machining - Good chip characteristics - **Anodizing** - Excellent for decorative anodizing - Uniform coating thickness - Good color consistency - Suitable for hard anodizing --- ### **8. Quality Assurance** **Testing & Certification:** - Mechanical property testing - Chemical composition analysis - Surface quality inspection - Corrosion resistance evaluation - Anodizing quality tests - Mill test certificates per EN 10204 3.1 --- **Technical Note:** 5250 Aluminum Alloy provides an excellent balance of properties for applications requiring good corrosion resistance, moderate strength, and superior surface quality. Its optimized magnesium content ensures good formability and welding characteristics while maintaining adequate strength for structural and decorative applications. The alloy is particularly suitable for automotive trim, architectural components, and consumer products where aesthetic appearance and surface treatment quality are important considerations.

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 1866 gallon liquid totes Special package is available on request.