7017 Aluminum alloy,Aluminum 7017 alloy，E FORU

### **Aluminum 7017 Alloy (EN AW-7017) - Product Introduction** **Aluminum 7017** is a high-strength, heat-treatable aluminum-zinc-magnesium alloy specifically designed for applications requiring excellent strength, good toughness, and superior stress corrosion resistance. As part of the 7xxx series aluminum alloys, it offers an optimal balance of mechanical properties and environmental durability, making it suitable for aerospace, defense, and high-performance structural applications. --- #### **1. Chemical Composition** The chemical composition is carefully balanced for high strength and good corrosion resistance: | Element | Content (%) (Typical) | Standard Range | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Zinc (Zn)** | 5.8 - 6.8 | 5.8 - 6.8 | | **Magnesium (Mg)** | 2.2 - 2.9 | 2.2 - 2.9 | | **Copper (Cu)** | 0.8 - 1.5 | 0.8 - 1.5 | | **Zirconium (Zr)** | 0.10 - 0.18 | 0.10 - 0.18 | | **Manganese (Mn)** | 0.05 - 0.15 | 0.05 - 0.15 | | **Chromium (Cr)** | 0.08 - 0.16 | 0.08 - 0.16 | | **Iron (Fe)** | ≤ 0.15 | ≤ 0.15 | | **Silicon (Si)** | ≤ 0.12 | ≤ 0.12 | | **Titanium (Ti)** | ≤ 0.05 | ≤ 0.05 | | **Others (Each)** | ≤ 0.05 | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | ≤ 0.15 | --- #### **2. Physical Properties** Aluminum 7017 exhibits excellent physical properties for high-strength applications: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.81 g/cm³ | 0.101 lb/in³ | | **Melting Range** | 475 - 635 °C | 887 - 1175 °F | | **Electrical Conductivity** | 34-38 % IACS (T6 Temper) | 34-38 % IACS | | **Thermal Conductivity** | 138-153 W/m·K | 955-1060 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/K | 13.1 × 10⁻⁶/°F | | **Modulus of Elasticity** | 71 GPa | 10,300 ksi | | **Shear Modulus** | 27 GPa | 3,920 ksi | --- #### **3. Mechanical Properties** Typical mechanical properties for common tempers: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T6** | 560-610 | 490-540 | 9-13 | 150-160 | | **T651** | 570-620 | 500-550 | 8-12 | 153-163 | | **T7351** | 520-570 | 450-500 | 10-14 | 140-150 | | **T7651** | 540-590 | 470-520 | 9-13 | 145-155 | --- #### **4. International Standards** Aluminum 7017 complies with the following international standards: * **AMS:** **AMS 4111** (Aerospace Material Specification) * **ASTM:** **ASTM B247**, **ASTM B209** * **EN:** **EN AW-7017** (3.4349) * **ISO:** **AlZn6MgCu** under ISO 209 * **UNS:** **A97017** * **MIL:** **MIL-A-22771** --- #### **5. Product Applications** Aluminum 7017 is used in demanding high-performance applications: * **Aerospace Structures:** Aircraft wing components, fuselage frames * **Military Applications:** Military vehicle armor, defense system components * **Space Applications:** Satellite structures, rocket components * **High-Performance Automotive:** Racing chassis, suspension components * **Marine Defense:** Naval vessel components, submarine structures * **Industrial Equipment:** High-stress machinery parts, press frames * **Sports Equipment:** Professional cycling frames, mountaineering equipment * **Transportation:** High-speed railway vehicle structural components --- #### **6. Key Advantages & Characteristics** * **High Strength-to-Weight Ratio:** Excellent mechanical properties with low density * **Superior Stress Corrosion Resistance:** Enhanced SCC resistance compared to conventional 7xxx alloys * **Excellent Fatigue Performance:** Outstanding resistance to cyclic loading conditions * **Good Fracture Toughness:** Enhanced damage tolerance characteristics * **Excellent Heat Treatability:** Responsive to complex aging treatments * **Good Machinability:** Suitable for precision manufacturing operations * **Thermal Stability:** Maintains properties at elevated temperatures * **Cryogenic Performance:** Good mechanical properties at low temperatures **Heat Treatment Characteristics:** - Solution treatment temperature: 465-475°C (870-885°F) - Artificial aging temperature: 120-140°C (250-285°F) - T7-type tempers provide improved corrosion resistance - Complex aging sequences for property optimization **Corrosion Performance:** - Excellent stress corrosion cracking resistance - Good exfoliation corrosion resistance - Suitable for severe environmental conditions - Can be enhanced with surface treatments **Manufacturing Characteristics:** - Good forgeability and extrudability - Suitable for complex structural shapes - Can be machined using conventional and CNC methods - Weldable using specialized techniques including FSW --- **Quality Assurance:** - Stringent chemical composition controls - Comprehensive mechanical testing protocols - Advanced non-destructive evaluation methods - Full traceability from raw material to finished product - Regular quality audits and certification **Processing Recommendations:** - Use premium cutting tools for machining operations - Implement controlled heat treatment processes - Follow established welding procedures - Apply appropriate surface protection when required - Maintain clean manufacturing environment --- **Conclusion:** Aluminum 7017 represents an advanced high-strength aluminum alloy that delivers an exceptional balance of mechanical properties, corrosion resistance, and manufacturing capabilities. Its optimized composition and heat treatment response make it particularly valuable for critical aerospace, defense, and high-performance engineering applications where reliability and performance are paramount. The alloy's ability to maintain excellent properties under demanding conditions, combined with its good processing characteristics, establishes it as a preferred material for engineers and designers working on cutting-edge structural applications. For projects requiring the ultimate in aluminum alloy performance with balanced characteristics, Aluminum 7017 provides outstanding value and reliability.

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 2111 gallon liquid totes Special package is available on request.