3065 Aluminum alloy,Aluminum 3065 alloy,E FORU

### **Aluminum 3065 Alloy Product Introduction** **Aluminum 3065** is a high-performance aluminum-manganese-magnesium alloy developed to provide superior strength characteristics combined with excellent corrosion resistance and good formability. This alloy represents an advanced member of the 3000 series, offering enhanced mechanical properties for demanding applications in aerospace, transportation, and structural components. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 1.2 - 1.8 | | **Magnesium (Mg)** | 1.0 - 1.6 | | **Iron (Fe)** | 0.4 max | | **Silicon (Si)** | 0.3 max | | **Copper (Cu)** | 0.15 max | | **Zinc (Zn)** | 0.15 max | | **Chromium (Cr)** | 0.05 - 0.15 | | **Titanium (Ti)** | 0.05 - 0.15 | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Alloy Characteristics:* - **Enhanced Manganese and Magnesium** for superior solid solution strengthening - **Chromium addition** for improved grain structure control - **Titanium** for enhanced mechanical properties - **Optimized composition** for high performance applications --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.74 g/cm³ (0.099 lb/in³) | | **Melting Range** | 630 - 650 °C (1166 - 1202 °F) | | **Modulus of Elasticity** | 71 GPa (10,300 ksi) | | **Thermal Conductivity** | 128 W/m·K (89 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 33% IACS | | **Coefficient of Thermal Expansion** | 23.8 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 880 J/kg·K | --- #### **3. Mechanical Properties** *Typical properties for H116 temper:* - **Tensile Ultimate Strength:** 280 - 330 MPa (41 - 48 ksi) - **Tensile Yield Strength (0.2% Offset):** 240 - 290 MPa (35 - 42 ksi) - **Elongation:** 8 - 12% (in 2 inches) - **Shear Strength:** 170 MPa (25 ksi) - **Brinell Hardness:** 75 - 85 HB *Typical properties for H321 temper:* - **Tensile Ultimate Strength:** 260 - 310 MPa (38 - 45 ksi) - **Tensile Yield Strength:** 220 - 270 MPa (32 - 39 ksi) - **Elongation:** 10 - 14% --- #### **4. International Standards** * **Aerospace Standards:** * **AMS 4085** - Aluminum Alloy 3065 Plate * **AMS 4086** - Aluminum Alloy 3065 Sheet * **European Standards:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **ASTM B221** - Aluminum-Alloy Extruded Bars, Rods, and Profiles --- #### **5. Product Applications** 3065 alloy is specified for high-performance applications: * **Aerospace Industry:** - Aircraft structural components - Wing and fuselage panels - Spacecraft components - Missile and rocket structures * **Military Applications:** - Armored vehicle components - Military bridge components - Defense system structures - Military vehicle bodies * **Transportation:** - High-speed train components - Marine vessel structures - Heavy-duty truck frames - Automotive safety components * **Structural Engineering:** - Bridge components - Offshore platform structures - High-rise building elements - Heavy machinery frames --- #### **6. Key Advantages** * **High Strength-to-Weight Ratio:** Superior mechanical properties * **Excellent Corrosion Resistance:** Particularly in marine environments * **Good Weldability:** Compatible with advanced welding techniques * **Superior Fatigue Performance:** Excellent for dynamic loading applications * **Cryogenic Capability:** Maintains properties at low temperatures * **High Toughness:** Good impact resistance * **Stress Corrosion Resistance:** Suitable for high-stress applications --- #### **7. Fabrication Characteristics** * **Welding:** Excellent weldability using GTAW, GMAW, and FSW * **Forming:** Good for hot and cold forming operations * **Machining:** Good machinability with proper tool selection * **Heat Treatment:** Responds well to strain hardening and stabilization * **Surface Treatment:** Suitable for anodizing and conversion coatings * **Joining:** Compatible with advanced joining techniques --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Excellent * **Stress Corrosion Cracking:** Very Good Resistance * **Pitting Resistance:** Very Good * **Galvanic Corrosion:** Good with proper design --- #### **9. Special Features** * **Enhanced Alloying Content** for superior mechanical properties * **Chromium Addition** for improved microstructural control * **Excellent Cryogenic Properties** for low-temperature applications * **Superior Fatigue Strength** for dynamic loading conditions * **Good Ballistic Performance** for defense applications --- #### **10. Quality Assurance** * Stringent chemical composition control * Comprehensive mechanical testing * Advanced non-destructive testing * Full traceability documentation * Aerospace-grade certification **Conclusion** Aluminum 3065 alloy represents a significant advancement in the 3000 series aluminum alloys, offering exceptional mechanical properties combined with excellent corrosion resistance and good fabrication characteristics. Its enhanced alloying composition, particularly the optimized manganese and magnesium content with chromium addition, provides superior performance for the most demanding applications in aerospace, defense, and structural engineering. The alloy maintains excellent weldability and formability while delivering strength levels typically associated with more expensive alloy systems. 3065 alloy provides engineers and designers with a cost-effective high-performance solution for applications where weight reduction, structural efficiency, and environmental durability are critical requirements, making it an ideal choice for next-generation engineering challenges.

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 1696 gallon liquid totes Special package is available on request.