7029-T5 Aluminum alloy,Aluminum 7029-T5 alloy，E FORU

### **Aluminum 7029-T5 Alloy (EN AW-7029) - Product Introduction** **Aluminum 7029-T5** is a medium-to-high strength, heat-treatable aluminum-zinc-magnesium alloy that has been cooled from an elevated temperature shaping process and artificially aged. The T5 temper provides a good balance of mechanical properties, corrosion resistance, and manufacturability, making it suitable for various structural and engineering applications. --- #### **1. Chemical Composition** The chemical composition is optimized for balanced performance: | Element | Content (%) (Typical) | Standard Range | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Zinc (Zn)** | 4.5 - 5.5 | 4.5 - 5.5 | | **Magnesium (Mg)** | 1.8 - 2.5 | 1.8 - 2.5 | | **Copper (Cu)** | 0.8 - 1.5 | 0.8 - 1.5 | | **Zirconium (Zr)** | 0.08 - 0.15 | 0.08 - 0.15 | | **Manganese (Mn)** | 0.05 - 0.15 | 0.05 - 0.15 | | **Chromium (Cr)** | 0.08 - 0.16 | 0.08 - 0.16 | | **Iron (Fe)** | ≤ 0.20 | ≤ 0.20 | | **Silicon (Si)** | ≤ 0.15 | ≤ 0.15 | | **Titanium (Ti)** | ≤ 0.05 | ≤ 0.05 | | **Others (Each)** | ≤ 0.05 | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | ≤ 0.15 | --- #### **2. Physical Properties** Aluminum 7029-T5 exhibits good physical properties for structural applications: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.80 g/cm³ | 0.101 lb/in³ | | **Melting Range** | 475 - 635 °C | 887 - 1175 °F | | **Electrical Conductivity** | 37-41 % IACS | 37-41 % IACS | | **Thermal Conductivity** | 147-162 W/m·K | 1020-1125 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** **7029-T5 Mechanical Properties:** | Property | Metric Value | Imperial Value | |---|---|---| | **Tensile Strength, Ultimate** | 400-450 MPa | 58,000-65,300 psi | | **Tensile Strength, Yield (0.2%)** | 340-390 MPa | 49,300-56,600 psi | | **Elongation in 50mm** | 11-15% | 11-15% | | **Hardness (Brinell)** | 118-128 HB | 118-128 HB | | **Shear Strength** | 240 MPa | 34,800 psi | | **Fatigue Strength** | 135 MPa | 19,600 psi | | **Fracture Toughness** | 33-38 MPa·√m | 30-35 ksi·√in | --- #### **4. International Standards** Aluminum 7029-T5 conforms to these international standards: * **EN:** **EN AW-7029** (European Standard) * **ASTM:** **ASTM B221**, **ASTM B241** * **ISO:** **AlZn5Mg2Cu** under ISO 209 * **JIS:** **JIS H 4040** * **GB/T:** **GB/T 3190** * **AMS:** **AMS 4156** (Aerospace Material Specification) --- #### **5. Product Applications** Aluminum 7029-T5 is used in various structural and engineering applications: * **Transportation Components:** Truck frames, trailer structures, railway components * **Marine Structures:** Boat components, marine hardware, offshore structures * **Industrial Equipment:** Machinery frames, structural supports, conveyor systems * **Automotive Parts:** Vehicle structural components, chassis parts * **Aerospace Components:** Secondary aircraft structures, brackets * **Sports Equipment:** Bicycle frames, sports gear components * **Defense Applications:** Military vehicle components, equipment structures * **General Engineering:** Various structural applications requiring medium-high strength --- #### **6. Key Advantages & Characteristics** * **Good Strength-to-Weight Ratio:** Favorable mechanical properties for weight-sensitive applications * **Excellent Extrudability:** Suitable for manufacturing complex profiles * **Good Corrosion Resistance:** Adequate resistance for most environmental conditions * **Fatigue Performance:** Good resistance to cyclic loading * **Weldability:** Can be welded using conventional methods * **Machinability:** Good machining characteristics in T5 condition * **Cost-Effectiveness:** Balanced performance for general engineering applications * **Formability:** Suitable for various forming operations **Heat Treatment Process:** - Cooled from elevated temperature shaping process (typically extrusion) - Artificial aging: 120-140°C (250-285°F) for 8-16 hours - Air cooling after aging - Stable mechanical properties **Manufacturing Characteristics:** - Good for extrusion of complex sections - Suitable for various fabrication methods - Can be welded using conventional techniques - Good surface quality for finishing operations **Performance Features:** - Balanced combination of strength and toughness - Good performance in structural applications - Suitable for medium-to-high stress applications - Reliable service in various environments --- **Quality Assurance:** - Consistent mechanical properties - Controlled chemical composition - Reliable performance in structural applications - Compliance with international standards **Processing Recommendations:** - Use proper tooling for machining operations - Handle with care to prevent surface damage - Store in appropriate conditions - Follow recommended welding procedures --- **Conclusion:** Aluminum 7029-T5 offers a well-balanced combination of medium-to-high strength, good manufacturability, and adequate corrosion resistance, making it a versatile choice for various structural and engineering applications. Its T5 temper provides a good balance of properties that are suitable for transportation, marine, and general engineering applications where both performance and cost-effectiveness are important considerations. The alloy's reliable performance and compliance with international standards ensure its continued use in quality structural components across multiple industries. For applications requiring a balanced approach to strength, manufacturability, and corrosion resistance, Aluminum 7029-T5 delivers consistent performance and good value.

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 2124 gallon liquid totes Special package is available on request.