3105-H25 Aluminum alloy,Aluminum 3105-H25 alloy,E FORU

### **Aluminum 3105-H25 Alloy Product Introduction** **Aluminum 3105-H25** is a strain-hardened and stabilized aluminum-manganese alloy that has been cold worked to a higher strength level than H24 temper and then stabilized. This alloy offers enhanced mechanical properties while maintaining good formability and dimensional stability, making it suitable for applications requiring higher strength with adequate workability. --- #### **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 enhanced mechanical properties - **Controlled impurity levels** ensure consistent performance - **Balanced composition** for optimal performance in H25 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** | 157 W/m·K (109 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 40% IACS | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** The H25 temper provides enhanced stable characteristics: * **Tensile Ultimate Strength:** 150 - 190 MPa (22 - 28 ksi) * **Tensile Yield Strength (0.2% Offset):** 120 - 160 MPa (17 - 23 ksi) * **Elongation:** 6 - 10% (in 2 inches) * **Shear Strength:** 95 MPa (14 ksi) * **Fatigue Strength:** 68 MPa (10 ksi) * **Brinell Hardness:** 38 - 48 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-H25 is used in applications requiring enhanced strength: * **Building & Construction:** - Structural roofing components - Load-bearing wall panels - Architectural support members - Industrial siding systems * **Transportation Industry:** - Vehicle structural panels - Truck body components - Container structural parts - Automotive reinforcement members * **Industrial Applications:** - Machinery components - Equipment structural frames - Storage system components - Industrial work surfaces * **Consumer Durables:** - High-strength appliance panels - Reinforced furniture components - Heavy-duty household products --- #### **6. Key Advantages** * **Enhanced Strength Properties:** Higher mechanical properties than H24 temper * **Good Formability:** Maintains adequate workability for fabrication * **Stable Properties:** Stabilized condition ensures consistent performance * **Excellent Corrosion Resistance:** Good performance in various environments * **Good Weldability:** Compatible with standard welding techniques * **Dimensional Stability:** Excellent for precision applications * **Cost-Effective:** Economical enhanced-strength solution --- #### **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** * H25 temper indicates higher strain hardening with stabilization * Suitable for service temperatures from -70°C to +150°C * Good stability in various environmental conditions * Consistent mechanical properties throughout material * Enhanced strength retention over time --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Good dimensional stability * Traceability and certification available **Conclusion** Aluminum 3105-H25 offers an enhanced balance of mechanical strength and fabrication characteristics, providing higher strength than H24 temper while maintaining good formability and stability. The stabilized H25 temper ensures consistent performance over time, making it particularly suitable for applications requiring reliable mechanical properties and dimensional stability. Its combination of enhanced strength, good corrosion resistance, and adequate workability makes it an excellent choice for structural applications in construction, transportation, and industrial sectors. 3105-H25 represents an optimal solution for manufacturers seeking an aluminum alloy that delivers enhanced performance while maintaining the advantages of good manufacturability and long-term reliability.

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 1711 gallon liquid totes Special package is available on request.