7039-T64 Aluminum alloy,Aluminum 7039-T64 alloy，E FORU

### **Aluminum 7039-T64 Alloy (EN AW-7039) - Product Introduction** **Aluminum 7039-T64** is a high-strength aluminum-zinc-magnesium alloy that has been solution heat-treated and artificially aged to a specific temper condition optimized for superior ballistic performance. The T64 temper designation indicates a carefully controlled aging process that provides an exceptional balance of strength, hardness, and toughness specifically tailored for armor applications requiring maximum protection against ballistic threats. --- #### **1. Chemical Composition** The chemical composition is optimized for ballistic performance: | Element | Content (%) (Typical) | Standard Range | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Zinc (Zn)** | 3.8 - 4.8 | 3.8 - 4.8 | | **Magnesium (Mg)** | 2.6 - 3.4 | 2.6 - 3.4 | | **Chromium (Cr)** | 0.15 - 0.25 | 0.15 - 0.25 | | **Manganese (Mn)** | 0.10 - 0.40 | 0.10 - 0.40 | | **Copper (Cu)** | ≤ 0.10 | ≤ 0.10 | | **Iron (Fe)** | ≤ 0.40 | ≤ 0.40 | | **Silicon (Si)** | ≤ 0.30 | ≤ 0.30 | | **Zirconium (Zr)** | ≤ 0.05 | ≤ 0.05 | | **Titanium (Ti)** | ≤ 0.10 | ≤ 0.10 | | **Others (Each)** | ≤ 0.05 | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | ≤ 0.15 | --- #### **2. Physical Properties** Aluminum 7039-T64 exhibits optimal physical properties for armor applications: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.78 g/cm³ | 0.100 lb/in³ | | **Melting Range** | 475 - 635 °C | 887 - 1175 °F | | **Electrical Conductivity** | 36-40 % IACS | 36-40 % IACS | | **Thermal Conductivity** | 140-155 W/m·K | 970-1075 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.7 × 10⁻⁶/K | 13.2 × 10⁻⁶/°F | | **Modulus of Elasticity** | 70 GPa | 10,150 ksi | | **Shear Modulus** | 26.5 GPa | 3,840 ksi | --- #### **3. Mechanical Properties** **7039-T64 Mechanical Properties:** | Property | Metric Value | Imperial Value | |---|---|---| | **Tensile Strength, Ultimate** | 440-490 MPa | 63,800-71,100 psi | | **Tensile Strength, Yield (0.2%)** | 380-430 MPa | 55,100-62,400 psi | | **Elongation in 50mm** | 11-15% | 11-15% | | **Hardness (Brinell)** | 120-130 HB | 120-130 HB | | **Shear Strength** | 260 MPa | 37,700 psi | | **Fatigue Strength** | 145 MPa | 21,000 psi | | **Fracture Toughness** | 28-33 MPa·√m | 25-30 ksi·√in | --- #### **4. International Standards** Aluminum 7039-T64 conforms to these international standards: * **MIL:** **MIL-DTL-46027** (Armor Plate Specification) * **ASTM:** **ASTM B209**, **ASTM B928** * **AMS:** **AMS 4051** (Aerospace Material Specification) * **UNS:** **A97039** * **NATO:** **STANAG 4569** (Protection Levels) --- #### **5. Product Applications** Aluminum 7039-T64 is specifically designed for advanced ballistic protection: * **Military Vehicles:** Advanced armored personnel carriers, infantry fighting vehicles * **Aircraft Armor:** Military helicopter armor, combat aircraft protection * **Naval Applications:** Warship armor, naval vessel protection systems * **Security Vehicles:** High-risk armored vehicles, VIP protection transports * **Military Infrastructure:** Forward operating base protection, defensive structures * **Aerospace:** Critical aircraft components requiring ballistic protection * **Special Operations:** Lightweight tactical vehicle armor systems * **Industrial Security:** High-value asset ballistic protection --- #### **6. Key Advantages & Characteristics** * **Superior Ballistic Performance:** Enhanced resistance to armor-piercing projectiles * **Optimized Hardness:** Specifically tuned for maximum ballistic efficiency * **Excellent Multi-hit Capability:** Maintains structural integrity after multiple impacts * **Good Spall Resistance:** Minimizes secondary fragmentation * **Balanced Toughness:** Optimal combination of strength and fracture resistance * **Weight Efficiency:** High protection-to-weight ratio * **Weldability:** Suitable for armored vehicle fabrication * **Environmental Durability:** Good corrosion resistance for military applications **Heat Treatment Process:** - Solution Treatment: 465-480°C (870-900°F) - Controlled quenching process - Artificial Aging: Specific temperature-time cycle for T64 properties - Final properties optimized for ballistic performance **Ballistic Performance Features:** - Enhanced performance against 7.62mm AP projectiles - Superior multi-hit capability - Excellent fragment protection - Consistent ballistic properties through thickness **T64 Temper Characteristics:** - Specifically developed for armor applications - Optimized strength-toughness balance - Enhanced ballistic performance over T61 temper - Meets stringent military specifications --- **Quality Assurance:** - Certified ballistic testing to military standards - Stringent chemical composition controls - Comprehensive mechanical property verification - Advanced non-destructive testing - Full traceability and lot certification **Processing Recommendations:** - Use specialized armor-grade cutting tools - Implement precise heat treatment controls - Follow military-standard welding procedures - Conduct regular ballistic qualification testing - Maintain comprehensive quality documentation --- **Conclusion:** Aluminum 7039-T64 represents an advanced armor-grade aluminum alloy specifically engineered for maximum ballistic protection. The T64 temper condition provides an optimal balance of mechanical properties that deliver superior performance against modern ballistic threats. Its carefully controlled aging process ensures consistent, reliable performance in the most demanding protective applications. For military, security, and high-risk applications requiring certified ballistic protection with the inherent advantages of aluminum armor, 7039-T64 delivers proven performance, reliability, and optimal weight efficiency. The alloy's specialized characteristics make it the material of choice for advanced armor systems where maximum protection and weight savings are critical requirements.

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 2136 gallon liquid totes Special package is available on request.