6016 Aluminum alloy,Aluminum 6016 alloy,E FORU

### **Product Introduction: 6016 Aluminum Alloy** **6016 Aluminum Alloy** is a versatile, heat-treatable aluminum-magnesium-silicon (Al-Mg-Si) alloy specifically designed for automotive body sheet applications. It offers an excellent combination of good formability, adequate bake-hardening response, and superior surface quality, making it suitable for both inner and outer automotive body panels where consistent performance and cost-effectiveness are essential. --- ### **1. International Standards** 6016 Aluminum Alloy is recognized under the following international standards: - **AA (Aluminum Association, USA):** AA 6016 - **UNS (Unified Numbering System):** UNS A96016 - **EN (European Norm):** EN AW-6016 - **ISO (International Organization for Standardization):** AlMg0.4Si - **ASTM:** ASTM B209 (Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate) --- ### **2. Chemical Composition** The chemical composition limits (in weight percentage) are specified as follows: | Element | Content (%) | |:---------|:------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 1.0 - 1.5 | | **Magnesium (Mg)** | 0.25 - 0.6 | | **Manganese (Mn)** | ≤ 0.20 | | **Copper (Cu)** | ≤ 0.20 | | **Iron (Fe)** | ≤ 0.50 | | **Chromium (Cr)** | ≤ 0.10 | | **Zinc (Zn)** | ≤ 0.20 | | **Titanium (Ti)** | ≤ 0.15 | | **Others (each)** | ≤ 0.05 | | **Others (total)** | ≤ 0.15 | **Key Takeaway:** The balanced silicon and magnesium content provides good age-hardening potential while maintaining excellent formability. The low copper content ensures good corrosion resistance, making it suitable for automotive exterior applications. --- ### **3. Physical Properties** The typical physical properties of 6016 aluminum alloy are: | Property | Metric Value | Imperial Value | |:----------|:-------------|:---------------| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 595 - 650 °C | 1103 - 1202 °F | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/°C (20-100°C) | 13.0 × 10⁻⁶/°F (68-212°F) | | **Thermal Conductivity** | 170 - 190 W/m·K | 980 - 1100 BTU·in/(hr·ft²·°F) | | **Electrical Conductivity** | 45-50% IACS | 45-50% IACS | | **Modulus of Elasticity** | 69 GPa | 10,000 ksi | | **Shear Modulus** | 26 GPa | 3,770 ksi | --- ### **4. Mechanical Properties** Mechanical properties vary with temper condition, optimized for automotive forming processes: **Temper: T4** (Solution heat-treated and naturally aged) - **Tensile Strength:** 150 - 200 MPa (22 - 29 ksi) - **Yield Strength (0.2% Offset):** 60 - 110 MPa (9 - 16 ksi) - **Elongation (% in 50mm):** 22-28% - **Strain-Hardening Exponent (n-value):** 0.22 - 0.26 - **Plastic Strain Ratio (r-value):** 0.60 - 0.75 **After Standard Paint-Bake Cycle** (185°C/365°F for 20-30 minutes): - **Yield Strength Increase:** 70 - 110 MPa (10 - 16 ksi) - **Final Yield Strength:** 130 - 220 MPa (19 - 32 ksi) - **Final Tensile Strength:** 200 - 270 MPa (29 - 39 ksi) --- ### **5. Product Applications** 6016 Aluminum Alloy is widely used in automotive body construction: - **Automotive Body Panels:** - Door outer and inner panels - Hood outer panels - Trunk lids and deck lids - Fender panels - Roof panels - **Automotive Applications:** - Body side panels - Quarter panels - Various reinforcement components - Non-structural body parts - **Specific Use Cases:** - Applications requiring good formability - Components with moderate strength requirements - Parts where surface quality is important - Cost-sensitive automotive applications --- ### **6. Key Characteristics & Advantages** - **Good Formability:** Offers excellent deep-drawing and stretch-forming capabilities, allowing for manufacturing of complex automotive panels with reasonable risk of splitting. - **Adequate Bake-Hardening Response:** Provides sufficient strength increase during automotive paint-bake cycles to meet basic dent resistance requirements for body panels. - **Good Surface Quality:** Reliable surface characteristics with acceptable roping and streaking behavior, suitable for painted automotive applications. - **Cost-Effective:** Provides a balanced combination of properties at competitive cost, making it suitable for high-volume automotive production. - **Good Corrosion Resistance:** The low copper content ensures adequate resistance to atmospheric corrosion for automotive applications. - **Consistent Performance:** Reliable behavior in automotive manufacturing environments with predictable aging characteristics. - **Good Weldability:** Can be readily spot-welded using standard automotive welding parameters. --- ### **7. Processing Characteristics** **Heat Treatment Parameters:** - Solution Heat Treatment: 530-550°C (985-1020°F) - Quenching: Controlled cooling to room temperature - Natural Aging: Properties stabilize within several days - Paint-Bake Response: Effective at standard automotive curing temperatures **Forming Characteristics:** - Good deep-drawing capability with drawing ratios up to 2.2 - Moderate springback characteristics - Suitable for most automotive stamping operations - Compatible with standard automotive forming lubricants **Surface Treatment:** - Good paint adhesion characteristics - Suitable for standard automotive pre-treatment processes - Adequate performance with E-coat systems - Acceptable surface quality for most automotive applications --- ### **8. Comparative Analysis** **vs. 6016A Alloy:** - Slightly less consistent mechanical properties - More cost-effective for standard applications - Adequate for most automotive body panel requirements - Broader chemical composition ranges **vs. 6014 Alloy:** - Better bake-hardening response - Higher silicon content for improved aging - More suitable for outer panel applications - Slightly higher strength after painting **vs. 6111 Alloy:** - Better formability characteristics - Lower strength but more consistent in production - More suitable for complex formed parts - Better surface quality --- ### **9. Automotive Manufacturing** **Production Considerations:** - Good compatibility with automated production lines - Reasonable scrap rates in well-controlled processes - Acceptable tooling wear characteristics - Suitable for high-volume manufacturing **Quality Performance:** - Meets basic automotive OEM requirements - Consistent enough for most body panel applications - Predictable aging behavior - Reliable in standard automotive production environments --- ### **10. Economic Benefits** **Cost Advantages:** - Competitive material pricing - Good balance of performance and cost - Suitable for cost-sensitive vehicle programs - Efficient material utilization **Production Economics:** - Reduced tooling costs due to good formability - Acceptable rejection rates - Good compatibility with existing production infrastructure - Lower overall manufacturing costs --- ### **Summary** **6016 Aluminum Alloy** represents a well-balanced, cost-effective automotive body sheet material that delivers reliable performance for most automotive body panel applications. While it may not offer the premium characteristics of its 6016A variant, it provides an excellent balance of formability, strength, and surface quality at a competitive cost point. Its consistent performance and good manufacturing characteristics make it a popular choice for automotive manufacturers seeking to achieve weight reduction targets while maintaining cost efficiency in high-volume production environments. The alloy particularly suits applications where excellent formability and good surface quality are prioritized over maximum strength characteristics.

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 1963 gallon liquid totes Special package is available on request.