3012A Aluminum alloy,Aluminum 3012A alloy,E FORU

### **Aluminum 3012A Alloy Product Introduction** **Aluminum 3012A** is an enhanced aluminum-manganese alloy developed to provide improved strength characteristics and better consistency compared to standard 3012 alloy. This alloy maintains excellent corrosion resistance while offering enhanced mechanical properties, making it suitable for demanding applications in automotive, construction, and industrial sectors. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 1.0 - 1.5 | | **Magnesium (Mg)** | 0.50 - 1.0 | | **Iron (Fe)** | 0.7 max | | **Silicon (Si)** | 0.40 max | | **Copper (Cu)** | 0.25 max | | **Zinc (Zn)** | 0.20 max | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Alloy Characteristics:* - **Manganese** provides solid solution strengthening - **Enhanced Magnesium** content for improved strength - **Tighter composition control** ensures consistent performance - Optimized for enhanced mechanical properties --- #### **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** | 142 W/m·K (98 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 37% 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:** 170 - 210 MPa (25 - 30 ksi) - **Tensile Yield Strength (0.2% Offset):** 140 - 180 MPa (20 - 26 ksi) - **Elongation:** 4 - 8% (in 2 inches) - **Shear Strength:** 110 MPa (16 ksi) - **Brinell Hardness:** 44 - 54 HB *Typical properties for H16 temper:* - **Tensile Ultimate Strength:** 190 - 230 MPa (28 - 33 ksi) - **Tensile Yield Strength:** 160 - 200 MPa (23 - 29 ksi) - **Elongation:** 3 - 6% --- #### **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** 3012A alloy is used in various demanding applications: * **Automotive Industry:** - Structural body panels - Reinforcement components - Chassis parts - Interior structural members * **Building & Construction:** - Structural roofing systems - Load-bearing wall panels - Architectural support members - Industrial building components * **Transportation:** - Truck body components - Trailer panels - Railway carriage parts - Container construction * **Industrial Applications:** - Heavy-duty storage systems - Industrial machinery components - Equipment structural frames - Material handling equipment --- #### **6. Key Advantages** * **Enhanced Strength Properties:** Improved mechanical properties over standard 3012 * **Excellent Formability:** Good workability for fabrication processes * **Superior Corrosion Resistance:** Excellent performance in harsh environments * **Good Weldability:** Compatible with standard welding techniques * **Consistent Quality:** Tighter controls ensure reliable performance * **Cost-Effective:** Economical enhanced-performance solution * **Recyclable:** Environmentally friendly material --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GMAW, GTAW, and resistance welding * **Forming:** Suitable for bending, roll forming, and moderate drawing * **Machining:** Fair machinability; improved with proper tool selection * **Strain Hardening:** Good response to cold working processes * **Surface Treatment:** Good for painting and chemical conversion coatings * **Joining:** Suitable for mechanical fastening techniques --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good to Very Good * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Good * **Industrial Atmospheres:** Good Resistance --- #### **9. Special Features** * **Enhanced Magnesium Content** for improved strength * **Tighter Composition Control** for consistent quality * **Better Mechanical Properties** compared to standard 3012 * **Good Structural Efficiency** for weight-sensitive applications * **Improved Consistency** through advanced manufacturing controls --- #### **10. Quality Assurance** * Strict chemical composition control * Consistent mechanical properties * Enhanced quality testing protocols * Comprehensive certification available * Full traceability throughout production **Conclusion** Aluminum 3012A alloy represents an enhanced version of the standard 3012 alloy, offering improved mechanical properties and more consistent performance for demanding applications. Its optimized chemical composition and tighter manufacturing controls make it particularly suitable for structural applications in automotive, construction, and transportation industries where enhanced strength and reliability are required. The alloy maintains good fabrication characteristics and excellent corrosion resistance while providing better mechanical properties than the standard version. 3012A delivers consistent performance and reliable quality, making it a preferred choice for manufacturers seeking enhanced aluminum alloy characteristics with improved structural capabilities.

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 1683 gallon liquid totes Special package is available on request.