5050C Aluminum alloy,Aluminum 5050C alloy,E FORU

### **Product Introduction: 5050C Aluminum Alloy** **5050C Aluminum Alloy** is a non-heat-treatable aluminum-magnesium alloy supplied in strain-hardened tempers. This alloy is specifically designed to provide a good combination of **strength, formability, and corrosion resistance**, making it particularly suitable for automotive trim applications and various formed components. The "C" suffix typically indicates a specific variant with controlled composition for enhanced manufacturing consistency. --- ### **1. Chemical Composition (Weight %)** The chemical composition of 5050C is carefully controlled to ensure consistent performance in forming and finishing operations. | Element | Content (%) | Role in the Alloy | | :--- | :--- | :--- | | **Aluminum (Al)** | Balance | Base Element | | **Magnesium (Mg)** | 0.7 - 1.3 | Provides solid solution strengthening and improves strain-hardening capability. | | **Iron (Fe)** | ≤ 0.40 | Impurity; controlled to minimize its impact on formability and surface quality. | | **Silicon (Si)** | ≤ 0.30 | Impurity; controlled to prevent the formation of brittle intermetallic phases. | | **Manganese (Mn)** | ≤ 0.10 | Typically kept low in this specific alloy variant. | | **Copper (Cu)** | ≤ 0.05 | **Very low.** Essential for maintaining excellent corrosion resistance. | | **Chromium (Cr)** | ≤ 0.05 | Impurity; kept low. | | **Zinc (Zn)** | ≤ 0.10 | Impurity; kept low to maintain corrosion resistance. | | **Titanium (Ti)** | ≤ 0.05 | May be added for grain refinement. | | **Others (each)** | ≤ 0.05 | - | | **Others (total)** | ≤ 0.15 | - | --- ### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | ≈ 2.70 g/cm³ | | **Melting Range** | ≈ 645 - 655 °C | | **Electrical Conductivity** | ≈ 42 - 47 % IACS (International Annealed Copper Standard) | | **Thermal Conductivity** | ≈ 145 - 155 W/m·K | | **Coefficient of Thermal Expansion** | ≈ 23.5 x 10⁻⁶ /K (at 20-100°C) | | **Modulus of Elasticity** | ≈ 70 GPa | --- ### **3. Mechanical Properties (Typical for Sheet/Strip)** Properties vary with temper, with H2X tempers providing the best combination of strength and formability for automotive trim applications. | Temper | Tensile Strength (MPa) | Yield Strength (0.2% Offset, MPa) | Elongation (%) | | :--- | :--- | :--- | :--- | | **O (Annealed)** | 125 - 165 | ≥ 45 | ≥ 22 | | **H24 / H26** | 170 - 210 | 140 - 180 | 10 - 16 | | **H18 / H19** | 200 - 240 | 180 - 220 | 5 - 8 | *Note: Values are representative and depend on product form and processing history.* --- ### **4. Key Characteristics & Advantages** * **Excellent Formability:** Offers superior ductility and deep-drawing capabilities, particularly in H2X tempers, making it ideal for complex automotive trim components. * **Good Corrosion Resistance:** Demonstrates very good resistance to atmospheric corrosion, suitable for both painted and unpainted exterior applications. * **Superior Surface Quality:** Capable of achieving high-quality, uniform surface finish essential for decorative applications and subsequent painting or anodizing. * **Good Weldability and Brazeability:** Can be easily joined using common welding and brazing techniques. * **Consistent Mechanical Properties:** The controlled composition ensures reliable performance in high-volume manufacturing processes. --- ### **5. Product Applications** 5050C Aluminum Alloy is primarily used in applications requiring excellent formability and surface quality: * **Automotive Industry:** * Exterior trim components (wheel arch moldings, window trim) * Interior trim parts * Ornamental strips and decorative elements * **Architecture & Building:** * Decorative trim and moldings * Architectural highlighting elements * **Consumer Goods:** * Appliance trim and decorative parts * Nameplates and labels --- ### **6. International Standards** 5050C is recognized under several international standardization systems, with particular emphasis on European standards. | Standard Body | Alloy Designation | Notes | | :--- | :--- | :--- | | **EN (European Norm)** | **EN AW-5050C** | The primary standard designation for this specific variant. | | **ISO** | **AlMg1** | ISO 209 designation based on composition. | | **AA (Aluminum Association)** | **5050** | The base alloy designation; 5050C typically conforms with specific processing controls. |

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 1800 gallon liquid totes Special package is available on request.