6010-T4 Aluminum alloy,Aluminum 6010-T4 alloy,E FORU

### **Product Introduction: 6010-T4 Aluminum Alloy** **6010-T4 Aluminum Alloy** is a heat-treatable aluminum-magnesium-silicon (Al-Mg-Si) alloy specifically designed for automotive body sheet applications where superior strength and excellent formability are required. The T4 temper (solution heat-treated and naturally aged) provides an optimal combination of high formability for stamping complex shapes and the ability to develop enhanced strength during subsequent paint-bake cycles, making it particularly suitable for structural automotive components. --- ### **1. International Standards** 6010-T4 Aluminum Alloy is recognized under the following international standards: - **AA (Aluminum Association, USA):** AA 6010, Temper T4 - **UNS (Unified Numbering System):** UNS A96010 - **ISO (International Organization for Standardization):** AlMgSi(Cu) - T4 - **EN (European Norm):** EN AW-6010 - T4 - **ASTM:** ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) --- ### **2. Chemical Composition** The chemical composition limits (in weight percentage) for the base 6010 alloy are: | Element | Content (%) | |:---------|:------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 0.80 - 1.2 | | **Magnesium (Mg)** | 0.50 - 1.0 | | **Manganese (Mn)** | 0.20 - 0.6 | | **Copper (Cu)** | 0.25 - 0.50 | | **Iron (Fe)** | ≤ 0.35 | | **Chromium (Cr)** | ≤ 0.20 | | **Zinc (Zn)** | ≤ 0.10 | | **Titanium (Ti)** | ≤ 0.10 | | **Others (each)** | ≤ 0.05 | | **Others (total)** | ≤ 0.15 | **Key Takeaway:** The higher copper content (0.25-0.50%) compared to 6009 provides enhanced strength potential and improved bake-hardening response, while the optimized magnesium-silicon ratio ensures effective precipitation hardening during aging treatments. --- ### **3. Physical Properties** The typical physical properties of 6010-T4 aluminum alloy are: | Property | Metric Value | Imperial Value | |:----------|:-------------|:---------------| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 615 - 655 °C | 1140 - 1210 °F | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/°C (20-100°C) | 13.0 × 10⁻⁶/°F (68-212°F) | | **Thermal Conductivity** | 165 - 185 W/m·K | 955 - 1070 BTU·in/(hr·ft²·°F) | | **Electrical Conductivity** | 43-48% IACS | 43-48% IACS | | **Modulus of Elasticity** | 69 GPa | 10,000 ksi | | **Shear Modulus** | 26 GPa | 3,770 ksi | --- ### **4. Mechanical Properties (T4 Temper)** The T4 temper condition provides specific mechanical properties optimized for forming operations: **As-Received (T4 Temper):** - **Tensile Strength:** 220 - 270 MPa (32 - 39 ksi) - **Yield Strength (0.2% Offset):** 120 - 170 MPa (17 - 25 ksi) - **Elongation (% in 50mm):** 18-22% - **Strain-Hardening Exponent (n-value):** 0.20 - 0.23 - **Plastic Strain Ratio (r-value):** 0.55 - 0.65 **After Paint-Bake Cycle** (typical 185°C/365°F for 30 minutes): - **Yield Strength Increase:** 90 - 120 MPa (13 - 17 ksi) - **Final Yield Strength:** 210 - 290 MPa (30 - 42 ksi) - **Final Tensile Strength:** 280 - 340 MPa (41 - 49 ksi) --- ### **5. Product Applications** 6010-T4 is primarily used in automotive applications requiring higher strength: - **Automotive Body Panels:** - Door impact beams and reinforcements - Hood inner panels - Structural body panels - Bumper reinforcements - Seat frame components - **Structural Automotive Components:** - Body-in-white structural members - Crash management components - Chassis reinforcements - Suspension components - **Transportation Applications:** - Heavy vehicle body components - Bus structural members - Rail vehicle interior structures --- ### **6. Key Characteristics & Advantages** - **Enhanced Bake-Hardening Response:** Demonstrates superior strength increase (90-120 MPa yield strength boost) during automotive paint-bake cycles compared to 6009 alloy, achieving higher final strength levels. - **Good Formability:** Maintains excellent forming characteristics in T4 temper, allowing for manufacturing of complex automotive components with moderate forming requirements. - **Higher Base Strength:** Provides higher initial strength in T4 temper compared to 6009-T4, making it suitable for applications requiring both formability and structural performance. - **Good Surface Quality:** Produces good surface finish suitable for automotive applications, though may require slightly more attention to surface treatment than 6009 alloy. - **Improved Dent Resistance:** The higher strength potential provides better dent resistance for automotive body panels. - **Weight Reduction Capability:** Enables significant weight reduction while maintaining or improving structural performance compared to steel components. - **Weldability:** Can be spot-welded using standard automotive welding parameters, though may require slightly higher currents than 6009 alloy. --- ### **7. Processing Characteristics** **Heat Treatment Cycle:** - Solution Heat Treatment: 530-550°C (985-1020°F) - Quenching: Rapid cooling to room temperature - Natural Aging: Several days at room temperature to stabilize T4 properties **Forming Recommendations:** - Good formability in T4 temper condition - Best forming performance achieved within 24-48 hours after solution heat treatment - Requires adequate lubrication for forming operations - Suitable for moderate deep-drawing and stretch-forming operations **Painting and Baking:** - Standard automotive paint-bake cycles: 165-185°C (330-365°F) for 20-40 minutes - Excellent response to paint-bake hardening with significant strength development - Peak aging typically achieved at 175-185°C **Corrosion Performance:** - Good general corrosion resistance, though slightly reduced compared to lower-copper 6009 alloy - Suitable for automotive applications with appropriate coating systems - May require corrosion protection treatments for severe environments In summary, **6010-T4 Aluminum Alloy** represents an advanced automotive body sheet material that delivers enhanced strength potential compared to 6009 alloy while maintaining good formability characteristics. Its higher copper content provides superior bake-hardening response, making it particularly suitable for automotive structural components and body panels where higher strength requirements must be met while maintaining manufacturing feasibility through forming operations in the T4 temper condition.

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 1954 gallon liquid totes Special package is available on request.