3105-H24 Aluminum alloy,Aluminum 3105-H24 alloy,E FORU

### **Aluminum 3105-H24 Alloy Product Introduction** **Aluminum 3105-H24** is a strain-hardened and stabilized aluminum-manganese alloy that has been cold worked and then partially annealed to achieve a stable temper condition. This alloy offers a balanced combination of strength and formability, making it suitable for applications requiring good mechanical properties along with adequate workability and dimensional stability. --- #### **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 solid solution strengthening - **Optimized chemistry** for stable temper characteristics - **Controlled impurity levels** ensure consistent performance - **Balanced composition** for optimal performance in H24 temper --- #### **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** | 159 W/m·K (110 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 41% IACS | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** The H24 temper provides stable, strain-hardened characteristics: * **Tensile Ultimate Strength:** 140 - 180 MPa (20 - 26 ksi) * **Tensile Yield Strength (0.2% Offset):** 110 - 150 MPa (16 - 22 ksi) * **Elongation:** 7 - 11% (in 2 inches) * **Shear Strength:** 88 MPa (13 ksi) * **Fatigue Strength:** 62 MPa (9 ksi) * **Brinell Hardness:** 34 - 44 HB * **Bending Characteristics:** Good bendability with minimum bend radius of 1-2t --- #### **4. International Standards** * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **EN:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates * **JIS:** **JIS H 4000** - Aluminum and Aluminum Alloy Sheets and Plates --- #### **5. Product Applications** 3105-H24 is widely used in various industrial applications: * **Building & Construction:** - Roofing and siding components - Wall cladding panels - Architectural trim elements - Gutter and drainage systems * **Transportation Industry:** - Vehicle body panels - Interior structural components - Truck and trailer parts - Container panels * **Consumer Products:** - Appliance cabinets and panels - Furniture components - Lighting fixtures - Household products * **General Manufacturing:** - Electrical enclosures - Industrial cabinets - Display panels - Machinery components --- #### **6. Key Advantages** * **Stable Mechanical Properties:** H24 temper ensures consistent performance * **Good Strength-Formability Balance:** Optimal for fabrication and service * **Excellent Corrosion Resistance:** Good performance in various environments * **Good Weldability:** Compatible with standard welding techniques * **Dimensional Stability:** Minimal age softening or property changes * **Cost-Effective:** Economical choice for many applications * **Thermal Conductivity:** Suitable for heat transfer applications --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GMAW, GTAW, and resistance welding * **Forming:** Suitable for bending, roll forming, and moderate stamping * **Machining:** Fair machinability; produces discontinuous chips * **Strain Hardening:** Stable properties with minimal further hardening * **Surface Treatment:** Excellent for painting, anodizing, and chemical conversion * **Joining:** Good 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. Technical Specifications** * H24 temper indicates strain hardening and stabilization * Suitable for service temperatures from -70°C to +150°C * Good stability in various environmental conditions * Consistent mechanical properties throughout material * Good resistance to atmospheric corrosion --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Good surface quality and dimensional accuracy * Traceability and certification available **Conclusion** Aluminum 3105-H24 offers a reliable and versatile solution for applications requiring a stable balance of mechanical properties and fabrication characteristics. The stabilized H24 temper provides consistent performance that remains reliable over time, making it particularly suitable for construction, transportation, and consumer product applications. Its good fabrication characteristics combined with adequate strength and excellent corrosion performance make it a preferred choice for manufacturers seeking dependable aluminum alloy characteristics with consistent quality and performance. 3105-H24 represents an optimal choice for applications where stable properties and reliable long-term performance are essential 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 1710 gallon liquid totes Special package is available on request.