6023 Aluminum alloy,Aluminum 6023 alloy,E FORU

### **Product Introduction: 6023 Aluminum Alloy** **6023 Aluminum Alloy** is a modern, heat-treatable aluminum-magnesium-silicon (Al-Mg-Si) alloy specifically engineered as an environmentally friendly alternative to traditional lead-containing free-machining aluminum alloys. Developed to meet stringent environmental regulations, it offers excellent machinability combined with good mechanical properties and corrosion resistance, making it suitable for high-volume production of precision components. --- ### **1. International Standards** 6023 Aluminum Alloy is recognized under the following international standards: - **AA (Aluminum Association, USA):** AA 6023 - **UNS (Unified Numbering System):** UNS A96023 - **ASTM:** ASTM B211 (Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire) - **ISO (International Organization for Standardization):** AlMgSiBi --- ### **2. Chemical Composition** The chemical composition limits (in weight percentage) are specified as follows: | Element | Content (%) | |:---------|:------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 0.50 - 0.9 | | **Magnesium (Mg)** | 0.40 - 0.9 | | **Tin (Sn)** | 0.50 - 1.2 | | **Bismuth (Bi)** | 0.20 - 0.6 | | **Manganese (Mn)** | ≤ 0.20 | | **Copper (Cu)** | ≤ 0.15 | | **Iron (Fe)** | ≤ 0.10 | | **Chromium (Cr)** | ≤ 0.10 | | **Zinc (Zn)** | ≤ 0.10 | | **Titanium (Ti)** | ≤ 0.10 | | **Others (each)** | ≤ 0.05 | | **Others (total)** | ≤ 0.15 | **Key Takeaway:** The strategic use of tin and bismuth as alternative machining enhancers replaces traditional lead content, making the alloy compliant with RoHS and other environmental regulations while maintaining excellent machining characteristics. --- ### **3. Physical Properties** The typical physical properties of 6023 aluminum alloy are: | Property | Metric Value | Imperial Value | |:----------|:-------------|:---------------| | **Density** | 2.70 g/cm³ | 0.0975 lb/in³ | | **Melting Range** | 580 - 650 °C | 1076 - 1202 °F | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | 13.1 × 10⁻⁶/°F (68-212°F) | | **Thermal Conductivity** | 160 - 180 W/m·K | 925 - 1040 BTU·in/(hr·ft²·°F) | | **Electrical Conductivity** | 42-46% IACS | 42-46% 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: **Temper: T4** (Solution heat-treated and naturally aged) - **Tensile Strength:** 220 - 270 MPa (32 - 39 ksi) - **Yield Strength (0.2% Offset):** 120 - 170 MPa (17 - 25 ksi) - **Elongation (% in 50mm):** 14-18% **Temper: T6** (Solution heat-treated and artificially aged) - **Tensile Strength:** 290 - 340 MPa (42 - 49 ksi) - **Yield Strength (0.2% Offset):** 250 - 300 MPa (36 - 44 ksi) - **Elongation (% in 50mm):** 8-12% - **Hardness (Brinell):** 90 - 100 HB --- ### **5. Product Applications** 6023 Aluminum Alloy is primarily used in applications requiring extensive machining and environmental compliance: - **Precision Machined Components:** - Automotive fuel system components - Electrical connectors and housings - Hydraulic system parts - Pneumatic system components - **Electronics and Electrical:** - Heat sink components - Electronic enclosures - Connector bodies - Electrical fittings - **Consumer Products:** - Appliance components - Plumbing fittings - Fastener components - Hardware applications - **Specialized Applications:** - Medical device components - Food processing equipment - Potable water system parts - Environmental-sensitive applications --- ### **6. Key Characteristics & Advantages** - **Excellent Machinability:** Provides superior machining characteristics comparable to traditional lead-containing alloys, with excellent chip breakage and good surface finish. - **Environmental Compliance:** Lead-free composition meets RoHS, WEEE, and other international environmental regulations. - **Good Mechanical Properties:** Offers a favorable combination of strength and ductility in both T4 and T6 tempers. - **Good Corrosion Resistance:** Maintains adequate corrosion resistance for most industrial applications. - **Excellent Anodizing Response:** Can be anodized effectively for improved surface properties and aesthetic appeal. - **Consistent Performance:** Reliable and predictable behavior in high-volume production environments. - **Recyclability:** Environmentally friendly composition supports efficient recycling processes. --- ### **7. Processing Characteristics** **Machining Performance:** - **Machinability Rating:** 85-90 (compared to 2011-T3 as 100) - Excellent chip formation with short, broken chips - Good surface finish achievable at high machining speeds - Extended tool life compared to standard aluminum alloys **Heat Treatment:** - Solution Heat Treatment: 530-550°C (985-1020°F) - Quenching: Water quench - Artificial Aging: 160-180°C (320-355°F) for 8-12 hours for T6 temper **Forming Characteristics:** - Best formed in annealed (O) condition - Moderate formability in T4 temper - Limited formability in T6 temper - Suitable for secondary forming operations after machining --- ### **8. Environmental and Safety Benefits** **Regulatory Compliance:** - RoHS (Restriction of Hazardous Substances) compliant - WEEE (Waste Electrical and Electronic Equipment) compliant - ELV (End-of-Life Vehicles) directive compliant - Meets global environmental regulations **Safety Advantages:** - Safe for potable water applications - Suitable for food contact applications - Reduced environmental impact during disposal - Worker-friendly manufacturing environment --- ### **9. Comparative Advantages** **vs. 2011 Alloy:** - Environmentally compliant (lead-free) - Better corrosion resistance - Superior anodizing characteristics - More versatile for various applications **vs. 6020 Alloy:** - Superior machinability - Better environmental profile - More consistent chip formation - Enhanced manufacturing efficiency **vs. 6262 Alloy:** - Lead-free alternative - Better environmental compliance - Comparable machining performance - Improved corrosion resistance --- ### **10. Quality and Certification** **Industry Compliance:** - Meets ASTM and ISO standards - Compliant with major automotive OEM specifications - Suitable for medical and food industry applications - Full material traceability available **Testing and Certification:** - Comprehensive mechanical testing - Chemical analysis certification - Environmental compliance documentation - RoHS compliance certification available --- ### **Summary** **6023 Aluminum Alloy** represents a significant advancement in environmentally conscious aluminum alloy development, providing an excellent lead-free alternative to traditional free-machining aluminum alloys. Its unique composition utilizing tin and bismuth as machining enhancers delivers superior machining performance while meeting stringent global environmental regulations. The alloy's combination of excellent machinability, good mechanical properties, and environmental compliance makes it particularly valuable for automotive, electrical, consumer products, and other applications where both manufacturing efficiency and environmental responsibility are critical requirements. As industries continue to prioritize sustainability, 6023 aluminum alloy stands as a forward-looking solution that maintains high performance while addressing environmental concerns.

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 1971 gallon liquid totes Special package is available on request.