5151 Aluminum alloy,Aluminum 5151 alloy,E FORU

### **5151 Aluminum Alloy Product Introduction** **Overview** 5151 Aluminum Alloy is a non-heat-treatable alloy belonging to the Al-Mg series (5xxx series). It is characterized by its **good strength, excellent corrosion resistance, and superb anodizing quality**. With a medium magnesium content, this alloy offers a favorable balance between formability and mechanical properties, making it a preferred choice for applications where aesthetic surface finish and durability are paramount. --- ### **1. Chemical Composition** The chemical composition of 5151 Aluminum Alloy is carefully controlled to achieve its specific properties. The following table outlines the typical elemental composition by weight percentage (%). | Element | Content (%) | | :--- | :--- | | **Aluminum (Al)** | Balance | | **Magnesium (Mg)** | 1.7 - 2.3 | | **Silicon (Si)** | ≤ 0.30 | | **Iron (Fe)** | ≤ 0.40 | | **Copper (Cu)** | ≤ 0.15 | | **Manganese (Mn)** | 0.10 - 0.30 | | **Chromium (Cr)** | 0.10 - 0.30 | | **Zinc (Zn)** | ≤ 0.20 | | **Titanium (Ti)** | ≤ 0.10 | | **Others (Each)** | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | *Note: The magnesium content provides solid-solution strengthening, while the combination of Manganese and Chromium helps control the grain structure to enhance strength and formability.* --- ### **2. Physical Properties** The physical properties of 5151 alloy are typical for Al-Mg alloys with a medium Mg content. | Property | Value / Description | | :--- | :--- | | **Density** | 2.69 g/cm³ (0.097 lb/in³) | | **Melting Range** | ~ 625 - 650 °C (1157 - 1202 °F) | | **Electrical Conductivity** | Approximately 40-45% IACS (International Annealed Copper Standard) | | **Thermal Conductivity** | 140 - 155 W/m·K | | **Coefficient of Thermal Expansion** | 23.6 x 10⁻⁶/°C (20-100°C) | | **Modulus of Elasticity** | 70 GPa (10,200 ksi) | | **Corrosion Resistance** | Excellent. Demonstrates very good resistance to atmospheric corrosion. | --- ### **3. Mechanical Properties (Typical)** Mechanical properties are enhanced through various strain-hardened tempers. | Temper | Tensile Strength (MPa) | Yield Strength (0.2% Offset, MPa) | Elongation (%) | | :--- | :--- | :--- | :--- | | **O (Annealed)** | ~ 170 - 210 | ~ 70 - 110 | ~ 20 - 25 | | **H32** | ~ 220 - 260 | ~ 180 - 220 | ~ 8 - 12 | | **H34** | ~ 240 - 280 | ~ 200 - 240 | ~ 6 - 10 | | **H36** | ~ 260 - 300 | ~ 220 - 260 | ~ 5 - 8 | | **H38** | ~ 270 - 310 | ~ 240 - 280 | ~ 4 - 7 | *Note: Properties are typical for sheet products and can vary based on product form and exact processing history.* --- ### **4. Product Applications** 5151 Aluminum Alloy is widely used in applications that require a combination of good formability, corrosion resistance, and a high-quality surface finish. * **Architectural & Decorative Applications:** Ceiling panels, wall cladding, decorative trims, and nameplates. * **Consumer Electronics:** Casing and structural components for various electronic devices. * **Automotive Trim:** Interior and exterior trim parts, such as grilles, moldings, and emblems. * **Reflectors:** Parabolic reflectors and lamp housings where good surface reflectivity is desired. * **General Sheet Metal Work:** Various fabricated parts requiring bending, stamping, and anodizing. --- ### **5. International Standards** 5151 Aluminum Alloy is recognized under several international standards. | Standard | Designation | Notes | | :--- | :--- | :--- | | **AA** | **5151** | The Aluminum Association (AA) designation is **5151**. | | **JIS** | **A5151** | Japanese Industrial Standards designation. This is one of the primary standards for this alloy. | | **EN** | **EN AW-5151A** (AlMg2) | The standard European Norm designation. | | **ISO** | **AlMg2** (EN 573-3) | A common European designation for this alloy type. | --- ### **Summary of Key Advantages** * **Excellent Anodizing Quality:** Produces a bright, uniform, and durable anodic oxide film, making it ideal for decorative applications. * **Good Corrosion Resistance:** Performs well in various environments. * **Good Formability:** Can be easily formed and stamped, especially in the annealed (O) temper. * **Bright Surface Finish:** Well-suited for polishing and other surface treatments to achieve a high-luster appearance. * **Moderate Strength:** Offers higher strength than pure aluminum and 1000 series alloys while maintaining good workability. 5151 Aluminum Alloy is a specialized material prized for its surface finish qualities. It is an excellent choice for applications where aesthetics are as important as mechanical performance. Please contact our technical team to confirm the suitability of 5151 for your specific application and product form.

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 1843 gallon liquid totes Special package is available on request.