5026 Aluminum alloy,Aluminum 5026 alloy,E FORU

### **Introduction to 5026 Aluminum Alloy** **5026 Aluminum Alloy** is a non-heat-treatable aluminum-magnesium alloy, renowned for its excellent corrosion resistance, particularly in marine environments, and its high strength which is comparable to some heat-treatable alloys. It is primarily used in the automotive industry for body panels and structural components due to its good formability and surface quality. The alloy derives its strength from the solid solution strengthening effect of magnesium (Mg) and manganese (Mn). --- ### **1. Chemical Composition (Weight %)** The typical chemical composition of 5026 Aluminum Alloy as per international standards is outlined below. Small variations may occur depending on the specific standard and product form. | Element | Content (%) | Role in the Alloy | | :--- | :--- | :--- | | **Aluminum (Al)** | Balance | Base Element | | **Magnesium (Mg)** | 3.5 - 4.5 | Primary strengthening element; significantly increases strength and improves work hardening. | | **Manganese (Mn)** | 0.6 - 1.2 | Enhances strength, improves work hardening response, and refines grain structure. | | **Copper (Cu)** | ≤ 0.10 | Impurity; kept low to maintain excellent corrosion resistance. | | **Iron (Fe)** | ≤ 0.50 | Impurity; controlled to prevent brittleness. | | **Silicon (Si)** | ≤ 0.30 | Impurity; controlled to prevent the formation of brittle phases. | | **Zinc (Zn)** | ≤ 0.20 | Impurity; kept low to maintain corrosion resistance. | | **Chromium (Cr)** | ≤ 0.30 | May be added in small amounts to control grain structure and improve toughness. | | **Titanium (Ti)** | ≤ 0.20 | Often added as a grain refiner to improve mechanical properties. | | **Others (each)** | ≤ 0.05 | - | | **Others (total)** | ≤ 0.15 | - | --- ### **2. Physical Properties** The following are typical physical properties for 5026 Aluminum Alloy. | Property | Value / Description | | :--- | :--- | | **Density** | ≈ 2.68 g/cm³ | | **Melting Range** | ≈ 580 - 640 °C | | **Electrical Conductivity** | ≈ 30-35 % IACS (International Annealed Copper Standard) | | **Thermal Conductivity** | ≈ 120 - 130 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)** Mechanical properties vary with temper (condition). The "H" tempers indicate strain-hardened states. | Temper | Tensile Strength (MPa) | Yield Strength (0.2% Offset, MPa) | Elongation (%) | | :--- | :--- | :--- | :--- | | **O (Annealed)** | 220 - 260 | ≥ 100 | ≥ 18 | | **H24 / H26** | 280 - 320 | 230 - 270 | 6 - 12 | | **H28 / H38** | 320 - 360 | 290 - 330 | 4 - 8 | *Note: Values are approximate and can vary based on the specific manufacturing process and final gauge.* --- ### **4. Key Characteristics & Advantages** * **High Strength:** Offers a favorable strength-to-weight ratio, making it suitable for weight-sensitive applications. * **Excellent Corrosion Resistance:** Demonstrates superior resistance to atmospheric and seawater corrosion, outperforming many other aluminum alloys. * **Good Formability:** Can be readily stamped, drawn, and bent, especially in softer tempers, which is ideal for complex automotive parts. * **Good Weldability:** Can be welded using common techniques such as MIG and TIG welding. * **Brazeability:** Suitable for brazing operations. * **Anodizing Response:** Responds well to anodizing, allowing for enhanced surface durability and color finishing. --- ### **5. Product Applications** 5026 Aluminum Alloy is predominantly used in the following sectors: * **Automotive Industry:** * Outer body panels (doors, hoods, fenders) * Inner structural panels * Bumper beams and reinforcement parts * **Marine Applications:** * Hull plates and superstructures * Marine fittings and components exposed to saltwater * **General Engineering:** * Pressed and fabricated parts requiring a combination of strength and corrosion resistance. * Various sheet metal work and enclosures. --- ### **6. International Standards** 5026 Aluminum Alloy is recognized under several major international standardization systems. The designations and equivalent standards are crucial for global trade and specification. | Standard Body | Alloy Designation | Common Temper Standards | | :--- | :--- | :--- | | **ISO** | **AlMg3.5Mn** | ISO 209 | | **EN (European Norm)** | **EN AW-5026** | EN 573-3, EN 485 (for sheet) | | **AA (Aluminum Association)** | **5026** | AA Teal Sheets / Registration Record | | **DIN (German Standard)** | **AlMg3.5Mn** | DIN 1725-1 / DIN EN 573 | | **JIS (Japanese Standard)** | **A5026** | JIS H 4000 | *It is important to consult the specific material data sheet from the supplier, as properties and exact compositions can be tailored to meet the requirements of these standards for different product forms (sheet, plate, coil).* ---

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 1792 gallon liquid totes Special package is available on request.