3105-H16 Aluminum alloy,Aluminum 3105-H16 alloy,E FORU

### **Aluminum 3105-H16 Alloy Product Introduction** **Aluminum 3105-H16** is a strain-hardened aluminum-manganese alloy in the three-quarter hard temper condition, offering significantly higher strength than lower H-series tempers while maintaining useful formability. This alloy is particularly suitable for applications requiring substantial load-bearing capability combined with moderate fabrication 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 three-quarter hard temper characteristics - **Controlled impurity levels** ensure consistent performance - **Enhanced strain hardening** capability --- #### **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** | 158 W/m·K (109 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 H16 temper provides three-quarter hard characteristics: * **Tensile Ultimate Strength:** 165 - 205 MPa (24 - 30 ksi) * **Tensile Yield Strength (0.2% Offset):** 135 - 175 MPa (20 - 25 ksi) * **Elongation:** 4 - 8% (in 2 inches) * **Shear Strength:** 100 MPa (15 ksi) * **Fatigue Strength:** 70 MPa (10 ksi) * **Brinell Hardness:** 40 - 50 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-H16 is used in applications requiring higher strength: * **Building & Construction:** - Structural roofing systems - Load-bearing wall panels - Industrial siding - Architectural support components * **Transportation Industry:** - Heavy-duty vehicle panels - Truck body components - Container structural parts - Automotive reinforcement members * **Industrial Applications:** - Machinery guards and covers - 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** * **High Strength Properties:** Significantly stronger than H14 temper * **Good Strength-to-Weight Ratio:** Excellent load-bearing capability * **Moderate Formability:** Suitable for limited forming operations * **Excellent Corrosion Resistance:** Good performance in corrosive environments * **Good Weldability:** Compatible with standard welding methods * **Thermal Performance:** Maintains adequate heat transfer characteristics * **Cost-Effective:** Economical high-strength aluminum 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 H18 temper * **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** * H16 temper indicates strain hardening to three-quarter hard condition * Suitable for service temperatures from -70°C to +150°C * Good stability in various environmental conditions * Maintains strength better than lower tempers * Consistent mechanical properties --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Good dimensional stability * Traceability and certification available **Conclusion** Aluminum 3105-H16 offers a significant advancement in strength characteristics within the 3105 alloy series, making it ideal for applications requiring substantial load-bearing capability. While its formability is reduced compared to lower tempers, it maintains sufficient workability for many fabrication processes. The alloy's combination of high strength, excellent corrosion resistance, and good weldability ensures its suitability for demanding applications in construction, transportation, and industrial sectors. 3105-H16 represents an excellent choice when higher strength is required without moving to more expensive alloy systems, providing cost-effective performance for structural and heavy-duty applications.

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 1707 gallon liquid totes Special package is available on request.