5357 Aluminum alloy,Aluminum 5357 alloy,E FORU

# 5357 Aluminum Alloy Technical Datasheet ## Material Overview 5357 Aluminum Alloy is a non-heat-treatable aluminum-magnesium alloy from the 5xxx series, specifically designed for applications requiring excellent surface quality, superior anodizing characteristics, and good formability. This alloy is particularly noted for its ability to achieve bright, reflective finishes after anodizing, making it ideal for decorative and architectural applications where aesthetic appearance is paramount. --- ## 1. Chemical Composition (Weight %) | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 0.6 - 1.4 | | Manganese (Mn) | 0.03 - 0.15 | | Iron (Fe) | ≤ 0.10 | | Silicon (Si) | ≤ 0.08 | | Copper (Cu) | ≤ 0.05 | | Zinc (Zn) | ≤ 0.05 | | Titanium (Ti) | ≤ 0.03 | | Other Elements (Each) | ≤ 0.03 | | Other Elements (Total) | ≤ 0.10 | --- ## 2. Physical Properties | Property | Value | |----------|-------| | Density | 2.70 g/cm³ | | Melting Range | 640 - 655 °C | | Electrical Conductivity | 40-45% IACS | | Thermal Conductivity | 148 - 158 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.5 × 10⁻⁶/°C | | Modulus of Elasticity | 69 GPa | | Specific Heat Capacity | 900 J/kg·K | --- ## 3. Mechanical Properties | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 120 - 160 | 40 - 80 | 25 - 30 | | H12 | 140 - 180 | 110 - 150 | 16 - 20 | | H14 | 160 - 200 | 130 - 170 | 14 - 18 | | H16 | 180 - 220 | 150 - 190 | 12 - 16 | | H18 | 200 - 240 | 170 - 210 | 10 - 14 | --- ## 4. Technical Applications ### Primary Application Sectors: - **Decorative Trim** - Automotive bright trim - Appliance decorative parts - Consumer electronics trim - Luxury goods components - **Architectural Applications** - Decorative building panels - Interior design elements - Architectural trim - Decorative hardware - **Reflective Applications** - Light reflector surfaces - Decorative lighting fixtures - Optical components - Display systems - **Specialty Applications** - Nameplates and emblems - Award and trophy components - Premium packaging - Exhibition displays --- ## 5. International Standards Compliance | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5357 | | ASTM International | ASTM B209-5357 | | European Standards | EN AW-5357 | | Japanese Standards | JIS A5357 | | International Standards | ISO 6361-2 | --- ## 6. Material Characteristics ### Key Advantages: - Excellent surface finish quality - Superior bright anodizing characteristics - Good formability and bendability - High reflectivity after polishing - Good corrosion resistance - Consistent color matching ### Special Features: - **Surface Quality** - Exceptional brightness after mechanical polishing - Excellent response to electrochemical polishing - Uniform anodic oxide layer formation - Consistent reflective properties - **Anodizing Performance** - Superior bright anodizing capability - Excellent clarity in clear anodizing - Good color consistency in dyeing - Uniform coating thickness --- ## 7. Processing Characteristics ### Manufacturing Considerations: - **Surface Treatment** - Excellent response to mechanical polishing - Suitable for electrochemical polishing - Good for bright dipping processes - Consistent results in anodizing - **Forming Operations** - Excellent deep drawing capability - Good bending characteristics - Minimal springback - Suitable for complex stamping - **Joining Technology** - Good weldability using TIG and MIG - Recommended filler: 4043, 5356 - Suitable for adhesive bonding - Good for mechanical fastening - **Machining** - Excellent machinability - Good surface finish after machining - Suitable for high-speed operations - Minimal tool wear --- ## 8. Quality Assurance ### Testing & Certification: - Chemical composition analysis - Mechanical property testing - Surface quality inspection - Anodizing quality tests - Reflectivity measurement - Corrosion resistance evaluation ### Special Quality Requirements: - Surface cleanliness standards - Reflectivity specifications - Color consistency controls - Surface defect limitations --- ## Technical Note 5357 Aluminum Alloy is specifically engineered for applications requiring the highest level of surface quality and reflective characteristics. Its carefully controlled chemical composition, particularly the low levels of iron and silicon, enables exceptional brightness after mechanical polishing and anodizing processes. The alloy's excellent formability allows for the production of complex shapes while maintaining superior surface appearance. This combination of properties makes 5357 the material of choice for high-end decorative applications in automotive, architectural, and consumer product industries where visual appeal and consistent appearance are critical requirements. The material's ability to achieve and maintain brilliant, reflective surfaces through various finishing processes establishes it as a premium choice for aesthetically demanding applications.

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 1895 gallon liquid totes Special package is available on request.