3014 Aluminum alloy,Aluminum 3014 alloy,E FORU

### **Aluminum 3014 Alloy Product Introduction** **Aluminum 3014** is a medium-strength aluminum-manganese alloy specifically designed for automotive body sheet applications, offering an excellent combination of strength, formability, and surface quality. This alloy is particularly optimized for automotive panel applications where good hemming performance and paint bake response are required. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 0.7 - 1.2 | | **Magnesium (Mg)** | 0.4 - 1.0 | | **Iron (Fe)** | 0.40 max | | **Silicon (Si)** | 0.30 max | | **Copper (Cu)** | 0.25 max | | **Zinc (Zn)** | 0.20 max | | **Chromium (Cr)** | 0.10 max | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Alloy Characteristics:* - **Manganese and Magnesium** provide optimal solid solution strengthening - **Low Iron and Silicon** content for improved formability and surface quality - Specially designed for automotive body panel applications - Optimized for paint bake hardening response --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.73 g/cm³ (0.098 lb/in³) | | **Melting Range** | 640 - 655 °C (1184 - 1211 °F) | | **Modulus of Elasticity** | 69 GPa (10,000 ksi) | | **Thermal Conductivity** | 147 W/m·K (102 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 40% IACS | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** *Typical properties for T4 temper:* - **Tensile Ultimate Strength:** 180 - 230 MPa (26 - 33 ksi) - **Tensile Yield Strength (0.2% Offset):** 80 - 130 MPa (12 - 19 ksi) - **Elongation:** 20 - 26% (in 50 mm) - **n-value (Strain hardening exponent):** 0.22 - 0.25 - **r-value (Plastic strain ratio):** 0.60 - 0.70 *After paint bake (typically 175°C/30 min):* - **Yield Strength Increase:** 30 - 50 MPa --- #### **4. International Standards** * **Automotive Standards:** * **EN 541** - Aluminum and aluminum alloys for automotive applications * **VDA 239-100** - Material standard for automotive aluminum sheet * **General Standards:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate --- #### **5. Product Applications** 3014 alloy is primarily used in automotive applications: * **Automotive Body Panels:** - Outer body panels (doors, hoods, trunk lids) - Inner reinforcement panels - Body side panels - Roof panels * **Automotive Structural Parts:** - Bumper reinforcements - Cross members - Seat frames - Chassis components * **Closure Panels:** - Door inner and outer panels - Hood assemblies - Trunk lid components - Tailgate panels --- #### **6. Key Advantages** * **Excellent Formability:** Superior deep drawing and stretch forming capabilities * **Good Hemming Performance:** Excellent for flanging and hemming operations * **Paint Bake Hardening:** Significant strength increase after paint curing cycle * **Superior Surface Quality:** Excellent for Class A surface applications * **Good Corrosion Resistance:** Suitable for automotive exterior applications * **Weight Reduction:** Enables lightweight automotive designs * **Recyclable:** Fully compatible with automotive recycling streams --- #### **7. Fabrication Characteristics** * **Stamping:** Excellent for deep drawing and complex stamping operations * **Hemming:** Superior performance in flange hemming processes * **Welding:** Good weldability using resistance spot welding and laser welding * **Forming:** High formability with good stretch distribution * **Surface Treatment:** Excellent for electrocoating and painting processes * **Joining:** Compatible with adhesive bonding and mechanical fastening --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Road Salt Environment:** Good * **Galvanic Corrosion:** Good resistance with proper design * **Perforation Corrosion:** Good resistance * **Industrial Environments:** Good Resistance --- #### **9. Automotive-Specific Properties** * **Paint Bake Response:** 30-50 MPa yield strength increase * **Hemming Performance:** Excellent edge cracking resistance * **Surface Quality:** Suitable for Class A surfaces * **Dent Resistance:** Good static and dynamic dent resistance * **Fatigue Performance:** Good for automotive dynamic applications --- #### **10. Quality Assurance** * **Surface Quality:** Strict controls for automotive Class A requirements * **Dimensional Stability:** Tight thickness and flatness tolerances * **Mechanical Consistency:** Uniform properties throughout coil * **Formability Testing:** Regular testing of n-value and r-value * **Traceability:** Full automotive-grade traceability **Conclusion** Aluminum 3014 alloy represents a specialized automotive-grade aluminum material specifically engineered for body panel applications. Its optimized chemical composition and processing ensure excellent formability for complex panel shapes while providing the necessary strength and surface quality for automotive exterior applications. The alloy's unique combination of good hemming performance, paint bake hardening response, and superior surface quality makes it an ideal choice for modern automotive lightweighting strategies. 3014 alloy enables manufacturers to achieve significant weight reduction while maintaining the high quality standards required for automotive body panels, contributing to improved fuel efficiency and reduced emissions without compromising performance or durability.

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 1686 gallon liquid totes Special package is available on request.