3105-H22 Aluminum alloy,Aluminum 3105-H22 alloy,E FORU

### **Aluminum 3105-H22 Alloy Product Introduction** **Aluminum 3105-H22** is a strain-hardened and partially annealed aluminum-manganese alloy offering a unique combination of moderate strength and good formability. The H22 temper indicates the material has been strain hardened and then partially annealed, providing a balanced set of properties suitable for applications requiring both strength and 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 H22 temper characteristics - **Controlled impurity levels** ensure consistent performance - **Balanced composition** for optimal strength-formability ratio --- #### **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** | 161 W/m·K (112 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 42% IACS | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** The H22 temper provides strain-hardened and partially annealed characteristics: * **Tensile Ultimate Strength:** 125 - 165 MPa (18 - 24 ksi) * **Tensile Yield Strength (0.2% Offset):** 95 - 135 MPa (14 - 20 ksi) * **Elongation:** 10 - 14% (in 2 inches) * **Shear Strength:** 80 MPa (12 ksi) * **Fatigue Strength:** 55 MPa (8 ksi) * **Brinell Hardness:** 30 - 40 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-H22 is widely used in applications requiring good formability with moderate strength: * **Building & Construction:** - Formed roofing components - Architectural trim pieces - Gutter systems - Decorative building elements * **Transportation Industry:** - Vehicle interior panels - Formed trim components - Container linings - Automotive interior parts * **Consumer Products:** - Appliance cabinets - Furniture components - Lighting fixtures - Household products requiring forming * **General Manufacturing:** - Electrical enclosures - Formed display panels - Storage cabinet components - Industrial components requiring subsequent forming --- #### **6. Key Advantages** * **Good Formability:** Excellent for subsequent forming operations * **Moderate Strength:** Better mechanical properties than annealed temper * **Stable Properties:** Partially annealed condition ensures consistent performance * **Excellent Corrosion Resistance:** Superior performance in various environments * **Good Weldability:** Compatible with standard welding techniques * **Excellent Surface Quality:** Ideal for painting and decorative finishes * **Cost-Effective:** Economical solution for formed components --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GMAW, GTAW, and resistance welding * **Forming:** Excellent for bending, roll forming, and stamping operations * **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** * H22 temper indicates strain hardening followed by partial annealing * 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-H22 offers a unique combination of moderate strength and excellent formability, making it ideal for applications requiring subsequent forming operations after initial strain hardening. The partially annealed condition provides stable mechanical properties while maintaining good workability for fabrication processes. Its balanced characteristics make it particularly suitable for architectural components, formed consumer products, and applications where both strength and formability are important. 3105-H22 represents a versatile solution for manufacturers seeking an aluminum alloy that delivers consistent performance and reliable formability for complex manufacturing operations.

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 1709 gallon liquid totes Special package is available on request.