3105-H26 Aluminum alloy,Aluminum 3105-H26 alloy,E FORU

### **Aluminum 3105-H26 Alloy Product Introduction** **Aluminum 3105-H26** is a strain-hardened aluminum-manganese alloy that has been cold worked to a higher strength level approaching three-quarter hard condition. This temper offers enhanced mechanical properties while maintaining adequate formability for various fabrication processes, making it suitable for applications requiring improved strength characteristics. --- #### **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 strain hardening response - **Controlled impurity levels** ensure consistent performance - **Balanced composition** for optimal mechanical properties --- #### **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** | 156 W/m·K (108 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 39% IACS | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** The H26 temper provides enhanced strain-hardened characteristics: * **Tensile Ultimate Strength:** 160 - 200 MPa (23 - 29 ksi) * **Tensile Yield Strength (0.2% Offset):** 130 - 170 MPa (19 - 25 ksi) * **Elongation:** 5 - 9% (in 2 inches) * **Shear Strength:** 98 MPa (14 ksi) * **Fatigue Strength:** 72 MPa (10 ksi) * **Brinell Hardness:** 42 - 52 HB * **Bending Characteristics:** Moderate bendability with minimum bend radius of 2-3t --- #### **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-H26 is used in applications requiring enhanced strength: * **Building & Construction:** - Structural roofing systems - Load-bearing wall panels - Architectural support components - Industrial building panels * **Transportation Industry:** - Vehicle structural panels - Truck body reinforcements - Container structural members - Automotive structural components * **Industrial Applications:** - Machinery structural parts - Equipment frames and supports - Heavy-duty storage systems - Industrial work platforms * **Consumer Durables:** - High-strength appliance panels - Reinforced furniture components - Heavy-duty consumer products --- #### **6. Key Advantages** * **Enhanced Strength Properties:** Higher mechanical properties than H25 temper * **Good Strength-to-Weight Ratio:** Excellent load-bearing capability * **Moderate Formability:** Suitable for limited forming operations * **Excellent Corrosion Resistance:** Good performance in various environments * **Good Weldability:** Compatible with standard welding methods * **Thermal Performance:** Maintains adequate heat transfer characteristics * **Cost-Effective:** Economical enhanced-strength solution --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GTAW and GMAW processes * **Forming:** Suitable for moderate bending and light forming operations * **Machining:** Fair machinability; requires sharp tools and proper techniques * **Strain Hardening:** Can be further cold worked to achieve higher tempers * **Springback:** Moderate springback requires compensation in forming * **Surface Treatment:** Good for chemical conversion coatings and painting --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Good * **Industrial Atmospheres:** Good Resistance --- #### **9. Technical Specifications** * H26 temper indicates enhanced strain hardening * Suitable for service temperatures from -70°C to +150°C * Good stability in various environmental conditions * Consistent mechanical properties throughout material * Enhanced strength characteristics --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Good dimensional stability * Traceability and certification available **Conclusion** Aluminum 3105-H26 offers a significant advancement in strength characteristics within the 3105 alloy series, providing enhanced mechanical properties while maintaining adequate formability for many fabrication processes. The H26 temper delivers improved load-bearing capability and structural performance, making it suitable for applications requiring higher strength than standard tempers. Its combination of enhanced mechanical properties, good corrosion resistance, and adequate workability ensures reliable performance in construction, transportation, and industrial applications. 3105-H26 represents an excellent choice for manufacturers seeking an aluminum alloy that delivers enhanced strength characteristics while maintaining the cost-effectiveness and manufacturability advantages of the 3105 series.

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 1712 gallon liquid totes Special package is available on request.