3105A Aluminum alloy,Aluminum 3105A alloy,E FORU

### **Aluminum 3105A Alloy Product Introduction** **Aluminum 3105A** is an enhanced aluminum-manganese alloy that offers improved mechanical properties and better consistency compared to the standard 3105 alloy. This alloy provides a good balance of strength, formability, and corrosion resistance, making it suitable for various applications in construction, automotive, and general manufacturing industries. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 0.4 - 0.8 | | **Magnesium (Mg)** | 0.4 - 0.8 | | **Iron (Fe)** | 0.5 max | | **Silicon (Si)** | 0.3 max | | **Copper (Cu)** | 0.2 max | | **Zinc (Zn)** | 0.2 max | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Alloy Characteristics:* - **Manganese and Magnesium** provide balanced solid solution strengthening - **Tighter chemical controls** ensure consistent performance - **Optimized composition** for enhanced mechanical properties - **Reduced impurity levels** for improved corrosion resistance --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.72 g/cm³ (0.098 lb/in³) | | **Melting Range** | 640 - 655 °C (1184 - 1211 °F) | | **Modulus of Elasticity** | 69 GPa (10,000 ksi) | | **Thermal Conductivity** | 160 W/m·K (111 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 43% 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 H14 temper:* - **Tensile Ultimate Strength:** 145 - 185 MPa (21 - 27 ksi) - **Tensile Yield Strength (0.2% Offset):** 115 - 155 MPa (17 - 22 ksi) - **Elongation:** 6 - 10% (in 2 inches) - **Shear Strength:** 90 MPa (13 ksi) - **Brinell Hardness:** 35 - 45 HB *Typical properties for H16 temper:* - **Tensile Ultimate Strength:** 165 - 205 MPa (24 - 30 ksi) - **Tensile Yield Strength:** 135 - 175 MPa (20 - 25 ksi) - **Elongation:** 4 - 8% --- #### **4. International Standards** * **European Standards (EN):** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates * **National Standards:** * **GB/T 3190** (China) * **JIS H 4000** (Japan) --- #### **5. Product Applications** 3105A alloy is widely used in various industrial applications: * **Building & Construction:** - Roofing and siding systems - Wall cladding panels - Gutters and downspouts - Architectural trim components * **Transportation Industry:** - Vehicle body panels - Interior trim components - Truck and trailer parts - Container panels * **Consumer Products:** - Appliance cabinets and panels - Furniture components - Lighting fixtures - Household utensils * **General Manufacturing:** - Electrical enclosures - Storage cabinets - Display panels - Industrial components --- #### **6. Key Advantages** * **Enhanced Consistency:** Improved quality control ensures reliable performance * **Good Mechanical Properties:** Balanced strength and ductility * **Excellent Formability:** Suitable for various forming operations * **Superior Corrosion Resistance:** Excellent performance in various environments * **Good Weldability:** Compatible with standard welding techniques * **Excellent Surface Quality:** Ideal for decorative finishes * **Cost-Effective:** Economical enhanced-performance solution --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GMAW, GTAW, and resistance welding * **Forming:** Excellent for bending, roll forming, and stamping operations * **Machining:** Fair machinability with proper tool selection * **Strain Hardening:** Good response to cold working processes * **Surface Treatment:** Excellent for painting, anodizing, and chemical conversion * **Joining:** Suitable for mechanical fastening and adhesive bonding --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Good * **Industrial Atmospheres:** Good Resistance --- #### **9. Special Features** * **Tighter Composition Control** for consistent quality * **Enhanced Surface Quality** for premium applications * **Improved Mechanical Consistency** across production batches * **Good Thermal Properties** for heat-related applications * **Non-Toxic** suitable for food contact applications --- #### **10. Quality Assurance** * Strict chemical composition control * Consistent mechanical properties * Enhanced quality testing protocols * Superior surface quality standards * Full traceability and certification available **Conclusion** Aluminum 3105A alloy represents an enhanced version of the standard 3105 alloy, offering improved consistency and performance through tighter compositional controls and advanced manufacturing processes. Its optimized chemistry provides more reliable mechanical properties and better corrosion resistance, making it particularly suitable for applications where consistent quality and superior performance are essential. The alloy maintains excellent formability and fabrication characteristics while delivering enhanced reliability for construction, transportation, and consumer product applications. 3105A is the material of choice for manufacturers seeking improved aluminum quality for applications where consistent performance, good surface finish, and reliable mechanical properties are paramount requirements.

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 1703 gallon liquid totes Special package is available on request.