6028 Aluminum alloy,Aluminum 6028 alloy,E FORU

### **Product Introduction: 6028 Aluminum Alloy** **6028 Aluminum Alloy** is a heat-treatable aluminum-magnesium-silicon (Al-Mg-Si) alloy specifically designed for high-strength automotive and structural applications. It offers an excellent combination of enhanced mechanical properties, good formability, and reliable performance, making it suitable for components requiring superior strength and durability in demanding service conditions. --- ### **1. International Standards** 6028 Aluminum Alloy is recognized under the following international standards: - **AA (Aluminum Association, USA):** AA 6028 - **UNS (Unified Numbering System):** UNS A96028 - **ISO (International Organization for Standardization):** AlMg1.0Si - **ASTM:** ASTM B221 (Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, and Profiles) --- ### **2. Chemical Composition** The chemical composition limits (in weight percentage) are specified as follows: | Element | Content (%) | |:---------|:------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 0.80 - 1.3 | | **Magnesium (Mg)** | 0.60 - 1.1 | | **Manganese (Mn)** | 0.40 - 0.9 | | **Copper (Cu)** | 0.15 - 0.35 | | **Iron (Fe)** | ≤ 0.25 | | **Chromium (Cr)** | 0.15 - 0.30 | | **Zinc (Zn)** | ≤ 0.15 | | **Titanium (Ti)** | ≤ 0.10 | | **Others (each)** | ≤ 0.05 | | **Others (total)** | ≤ 0.15 | **Key Takeaway:** The optimized combination of silicon, magnesium, and copper provides enhanced age-hardening response, while manganese and chromium contribute to strength improvement and grain structure control. --- ### **3. Physical Properties** The typical physical properties of 6028 aluminum alloy are: | Property | Metric Value | Imperial Value | |:----------|:-------------|:---------------| | **Density** | 2.71 g/cm³ | 0.0979 lb/in³ | | **Melting Range** | 595 - 650 °C | 1103 - 1202 °F | | **Coefficient of Thermal Expansion** | 23.2 × 10⁻⁶/°C (20-100°C) | 12.9 × 10⁻⁶/°F (68-212°F) | | **Thermal Conductivity** | 155 - 175 W/m·K | 895 - 1010 BTU·in/(hr·ft²·°F) | | **Electrical Conductivity** | 42-46% IACS | 42-46% IACS | | **Modulus of Elasticity** | 70 GPa | 10,150 ksi | | **Shear Modulus** | 26.5 GPa | 3,840 ksi | --- ### **4. Mechanical Properties** Mechanical properties demonstrate enhanced strength capabilities: **Temper: T4** (Solution heat-treated and naturally aged) - **Tensile Strength:** 240 - 290 MPa (35 - 42 ksi) - **Yield Strength (0.2% Offset):** 140 - 190 MPa (20 - 28 ksi) - **Elongation (% in 50mm):** 16-20% **Temper: T6** (Solution heat-treated and artificially aged) - **Tensile Strength:** 320 - 370 MPa (46 - 54 ksi) - **Yield Strength (0.2% Offset):** 280 - 330 MPa (41 - 48 ksi) - **Elongation (% in 50mm):** 10-14% - **Hardness (Brinell):** 95 - 105 HB --- ### **5. Product Applications** 6028 Aluminum Alloy is used in demanding structural and automotive applications: - **Automotive Structural Components:** - Chassis frame members - Suspension components - Crash management systems - Body-in-white structural members - Seat reinforcement frames - **Transportation Industry:** - Commercial vehicle components - Bus structural members - Rail vehicle components - Heavy equipment parts - **Structural Applications:** - Load-bearing components - Structural frames and supports - Machinery structural elements - High-stress mechanical parts - **Special Applications:** - High-strength brackets - Reinforcement components - Safety-critical parts - Durability-focused applications --- ### **6. Key Characteristics & Advantages** - **Enhanced Strength Properties:** Provides higher strength levels compared to standard 6000-series alloys, suitable for structural applications. - **Good Damage Tolerance:** Offers balanced combination of strength and toughness for demanding applications. - **Excellent Fatigue Performance:** Good resistance to cyclic loading, making it suitable for dynamically loaded components. - **Adequate Formability:** Maintains reasonable forming characteristics in T4 temper for manufacturing complex components. - **Good Corrosion Resistance:** Controlled copper content provides adequate corrosion resistance for automotive and structural applications. - **Weldability:** Can be welded using conventional methods with proper procedures and parameters. - **Weight Reduction:** Enables significant mass reduction while maintaining structural performance requirements. --- ### **7. Processing Characteristics** **Heat Treatment Parameters:** - Solution Heat Treatment: 530-550°C (985-1020°F) - Quenching: Controlled cooling rate optimization - Artificial Aging: 165-185°C (330-365°F) for 6-10 hours for T6 temper **Machining Performance:** - **Machinability Rating:** 65-75 (compared to 2011-T3 as 100) - Requires adequate power and rigid tooling - Good surface finish achievable with proper parameters - Moderate tool wear characteristics **Forming Characteristics:** - Good formability in T4 temper condition - Moderate springback characteristics - Suitable for most structural forming operations - Compatible with standard forming lubricants and processes --- ### **8. Corrosion Performance** - **General Corrosion:** Good resistance to atmospheric exposure - **Stress Corrosion Cracking:** Adequate resistance for structural applications - **Industrial Environments:** Suitable for typical service conditions - **Automotive Applications:** Meets corrosion requirements for vehicle components **Protection Methods:** - Anodizing for enhanced corrosion resistance - Chemical conversion coatings - Painting and powder coating systems - Suitable for various surface treatment processes --- ### **9. Comparative Advantages** **vs. 6061 Alloy:** - Higher strength capability - Better for structural applications - Enhanced mechanical properties - Suitable for more demanding applications **vs. 6082 Alloy:** - Comparable strength levels - Different processing characteristics - Alternative for specific applications - Good option for automotive structural parts **vs. 6005A Alloy:** - Higher strength potential - Better for load-bearing components - Enhanced performance in structural applications --- ### **10. Quality and Industry Applications** **Industry Acceptance:** - Meets automotive structural component requirements - Suitable for transportation industry applications - Compliant with relevant industry standards - Proven in demanding service conditions **Quality Assurance:** - Consistent mechanical properties - Reliable performance characteristics - Comprehensive testing capabilities - Full material traceability available --- ### **Summary** **6028 Aluminum Alloy** represents an enhanced-strength member of the 6000-series aluminum alloys, specifically developed for applications requiring superior mechanical properties and structural performance. Its optimized chemical composition and processing characteristics make it particularly valuable for automotive structural components, transportation equipment, and general structural applications where higher strength, good damage tolerance, and reliable performance are essential requirements. While offering slightly reduced formability compared to some other 6000-series alloys, 6028 provides significantly enhanced strength characteristics, making it an ideal choice for manufacturers seeking to maximize weight reduction while maintaining structural integrity and performance in demanding applications. The alloy's balanced combination of properties positions it as a valuable material solution for next-generation lightweight structural components across various industries.

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 1976 gallon liquid totes Special package is available on request.