7035A Aluminum alloy,Aluminum 7035A alloy，E FORU

### **Aluminum 7035A Alloy (EN AW-7035A) - Product Introduction** **Aluminum 7035A** is an enhanced version of the standard 7035 aluminum alloy, featuring improved composition controls and optimized processing for superior mechanical properties and enhanced corrosion resistance. This advanced aluminum-zinc-magnesium-copper alloy is specifically engineered for critical aerospace and defense applications requiring the highest levels of performance and reliability. --- #### **1. Chemical Composition** The chemical composition features tighter controls and enhanced purity: | Element | Content (%) (Typical) | Standard Range | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Zinc (Zn)** | 6.3 - 7.1 | 6.3 - 7.1 | | **Magnesium (Mg)** | 2.7 - 3.2 | 2.7 - 3.2 | | **Copper (Cu)** | 1.5 - 1.9 | 1.5 - 1.9 | | **Zirconium (Zr)** | 0.12 - 0.16 | 0.12 - 0.16 | | **Manganese (Mn)** | 0.04 - 0.12 | 0.04 - 0.12 | | **Chromium (Cr)** | 0.10 - 0.14 | 0.10 - 0.14 | | **Iron (Fe)** | ≤ 0.10 | ≤ 0.10 | | **Silicon (Si)** | ≤ 0.08 | ≤ 0.08 | | **Titanium (Ti)** | ≤ 0.03 | ≤ 0.03 | | **Others (Each)** | ≤ 0.03 | ≤ 0.03 | | **Others (Total)** | ≤ 0.10 | ≤ 0.10 | --- #### **2. Physical Properties** Aluminum 7035A exhibits enhanced physical properties: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.83 g/cm³ | 0.102 lb/in³ | | **Melting Range** | 480 - 640 °C | 896 - 1184 °F | | **Electrical Conductivity** | 34-38 % IACS (T6 Temper) | 34-38 % IACS | | **Thermal Conductivity** | 135-150 W/m·K | 935-1040 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/K | 13.1 × 10⁻⁶/°F | | **Modulus of Elasticity** | 71.5 GPa | 10,370 ksi | | **Shear Modulus** | 27.2 GPa | 3,940 ksi | --- #### **3. Mechanical Properties** Enhanced mechanical properties for superior performance: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T6** | 610-660 | 550-600 | 9-13 | 165-175 | | **T651** | 620-670 | 560-610 | 8-12 | 168-178 | | **T7351** | 570-620 | 510-560 | 10-14 | 155-165 | | **T7651** | 590-640 | 530-580 | 9-13 | 160-170 | --- #### **4. International Standards** Aluminum 7035A complies with enhanced international standards: * **AMS:** **AMS 4124A** (Enhanced Aerospace Specification) * **ASTM:** **ASTM B209M**, **ASTM B247M** * **EN:** **EN AW-7035A** (3.4343) * **ISO:** **AlZn7MgCu** under ISO 209 * **UNS:** **A97035A** * **MIL:** **MIL-A-22771** (Revised) --- #### **5. Product Applications** Advanced applications in aerospace and defense: * **Next-Generation Aircraft:** Advanced fighter aircraft structures * **Space Exploration:** Critical space vehicle components * **Military Systems:** Advanced missile and defense systems * **Commercial Aerospace:** Next-generation commercial aircraft structures * **High-Performance Vehicles:** Advanced racing and performance vehicles * **Marine Defense:** Next-generation naval vessel components * **Satellite Systems:** Advanced satellite structures * **Critical Infrastructure:** High-reliability structural applications --- #### **6. Key Advantages & Characteristics** * **Enhanced Strength Properties:** Improved mechanical properties with better consistency * **Superior Corrosion Resistance:** Enhanced stress corrosion cracking resistance * **Improved Toughness:** Better fracture toughness characteristics * **Enhanced Fatigue Performance:** Superior resistance to cyclic loading * **Better Processability:** Improved manufacturing characteristics * **Enhanced Purity:** Reduced impurity levels for better performance * **Improved Consistency:** Better batch-to-batch uniformity * **Advanced Quality:** Enhanced quality assurance standards **Enhanced Heat Treatment:** - Modified solution treatment: 470-480°C (878-896°F) - Enhanced aging response for consistent properties - Improved T7-type temper capabilities - Better through-thickness properties **Advanced Corrosion Performance:** - Enhanced stress corrosion cracking resistance - Improved exfoliation corrosion resistance - Better performance in aggressive environments - Superior long-term durability **Manufacturing Improvements:** - Enhanced machinability characteristics - Improved weldability with reduced defects - Better formability for complex shapes - Superior surface quality --- **Enhanced Quality Assurance:** - Stricter chemical composition controls - Enhanced mechanical testing protocols - Advanced non-destructive evaluation - Improved traceability systems - Comprehensive certification requirements **Processing Recommendations:** - Implement advanced heat treatment monitoring - Use specialized tooling for optimal results - Follow enhanced welding procedures - Apply modern surface protection methods - Maintain superior processing environment controls --- **Conclusion:** Aluminum 7035A represents a significant advancement in ultra-high-strength aluminum alloy technology, offering improved mechanical properties, enhanced corrosion resistance, and superior manufacturing characteristics compared to the standard 7035 alloy. Its optimized composition and advanced processing make it particularly valuable for next-generation aerospace, defense, and high-performance applications where reliability, performance, and consistency are critical. The alloy's enhanced properties and improved processability establish it as a preferred material for advanced engineering applications demanding the highest levels of performance and quality assurance. For applications requiring certified ultra-high performance with enhanced characteristics, Aluminum 7035A delivers proven reliability and superior performance in the most demanding engineering scenarios.

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 2131 gallon liquid totes Special package is available on request.