5018A Aluminum alloy,Aluminum 5018A alloy,E FORU

### **Product Introduction: Aluminum 5018A Alloy** **Overview** Aluminum 5018A Alloy is an improved version of the standard 5018 aluminum-magnesium alloy, featuring tighter composition controls and enhanced consistency for high-quality applications. This non-heat-treatable alloy maintains excellent corrosion resistance and formability while offering improved mechanical properties and surface quality for demanding applications in automotive, precision engineering, and architectural sectors. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Magnesium (Mg)** | 2.6 - 3.1 | | **Iron (Fe)** | ≤ 0.25 | | **Silicon (Si)** | ≤ 0.20 | | **Copper (Cu)** | ≤ 0.03 | | **Manganese (Mn)** | 0.25 - 0.45 | | **Zinc (Zn)** | ≤ 0.10 | | **Chromium (Cr)** | 0.12 - 0.22 | | **Titanium (Ti)** | 0.02 - 0.08 | | **Other Elements** | ≤ 0.03 each | | **Total Others** | ≤ 0.10 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.68 g/cm³ | | **Melting Range** | 622 - 642 °C | | **Electrical Conductivity** | 36-41% IACS | | **Thermal Conductivity** | 142-162 W/m·K | | **Coefficient of Thermal Expansion** | 23.8 × 10⁻⁶/°C | | **Modulus of Elasticity** | 70 GPa | | **Specific Heat Capacity** | 0.90 J/g·°C | --- ### **3. Mechanical Properties (by Temper Condition)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O** | 205-245 | 85-125 | 15-22 | | **H12** | 225-265 | 175-215 | 9-14 | | **H14** | 245-285 | 195-235 | 7-12 | | **H16** | 265-305 | 215-255 | 5-9 | | **H18** | 285-325 | 235-275 | 3-6 | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 5018A | | **European Standard (EN)** | EN AW-5018A | | **ISO** | AlMg3 (ISO 209) | | **UNS** | A95018 | | **JIS H** | A5018A | --- ### **5. Product Applications** **Premium Automotive Applications:** - High-quality body panels - Premium vehicle trim - Luxury car interior components - Automotive structural parts - Exterior decorative elements **Precision Engineering:** - Electronic enclosures - Precision instrument parts - Optical equipment components - Medical device housings - High-end consumer products **Architectural Excellence:** - High-end building facades - Premium architectural systems - Luxury interior design elements - Signature architectural features - High-visibility structural elements **Specialized Industrial:** - Food processing equipment - Pharmaceutical machinery - Clean room components - High-quality display systems - Premium industrial design products --- ### **6. Key Characteristics & Advantages** - **Enhanced Consistency**: Tighter composition controls for reliable performance - **Superior Surface Quality**: Excellent finish for high-visibility applications - **Improved Corrosion Resistance**: Enhanced performance in demanding environments - **Excellent Formability**: Maintains good forming characteristics with improved properties - **Better Anodizing Quality**: Superior and more consistent surface finishes - **Enhanced Weldability**: Improved welding characteristics with reduced defects - **Quality Assurance**: Meets higher standards for premium applications --- ### **7. Special Features of 5018A Variant** **Quality Enhancements:** - Reduced iron and silicon content for better surface quality - Tighter magnesium control for consistent mechanical properties - Titanium addition for grain refinement - Lower impurity levels for improved corrosion resistance - Enhanced batch-to-batch consistency **Performance Benefits:** - More consistent mechanical properties - Improved deep drawing characteristics - Better surface appearance after forming - Reduced orange peel effect - Superior performance in severe forming operations --- ### **8. Processing Guidelines** **Quality Control Requirements:** - Certified material traceability - Regular chemical analysis verification - Surface quality inspections - Mechanical property testing - Dimensional tolerance monitoring **Forming Operations:** - Excellent for precision stamping - Suitable for deep drawing applications - Good for complex forming operations - Consistent springback characteristics - Minimal surface damage during processing **Joining Methods:** - High-quality welding results - Reduced porosity in welds - Better cosmetic appearance of welds - Suitable for visible joint applications - Consistent performance in automated welding **Finishing Excellence:** - Superior anodizing results - Consistent color matching - Excellent painting characteristics - Good for high-gloss finishes - Suitable for decorative applications **Disclaimer:** The information provided is for reference purposes only. The 5018A variant offers enhanced quality and consistency for applications requiring superior performance and appearance. For critical applications, especially in automotive, architectural, and consumer product sectors, consult certified technical data sheets from material suppliers and conduct thorough testing. The improved quality controls and consistent properties make this alloy particularly suitable for applications where both performance and aesthetics are crucial 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 1784 gallon liquid totes Special package is available on request.