6061 Aluminum Coil
6061 Aluminum Alloy: The Ultimate Versatile Structural Solution
Premium-Grade Aluminum for Demanding Applications
6061 aluminum alloy (UNS A96061) stands as the most versatile heat-treatable aluminum, offering an optimal balance of strength (310 MPa tensile), corrosion resistance, and machinability. This aerospace-grade material delivers 25% better fatigue resistance than 5052 alloy while maintaining 68.9 GPa elastic modulus – making it ideal for structural components across industries.
Technical Specifications
1. Chemical Composition (ASTM B209)
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|
| % Range | 0.4-0.8 | ≤0.7 | 0.15-0.4 | ≤0.15 | 0.8-1.2 | 0.04-0.35 | ≤0.25 | ≤0.15 | Bal. |
Trace elements: Others ≤0.15% total
2. Mechanical Properties
| Property | Tensile | Yield | Elongation | Hardness | Fatigue Limit |
|---|---|---|---|---|---|
| T6 Temp | 310 MPa | 276 MPa | 12-25% | 95 HB | 97 MPa (10⁷ cycles) |
Test standards: ASTM E8 (tensile), ISO 6506-1 (hardness)
3. Physical Characteristics
| Parameter | Density | Melting Point | CTE | Conductivity |
|---|---|---|---|---|
| Value | 2.7 g/cm³ | 582-652°C | 23.6×10⁻⁶/°C | 167 W/m·K |
Customization Options
Available Forms:
- Thickness: 0.1-120mm (±0.05mm tolerance)
- Width: 20-3000mm (slitting available)
- Length: 100-12000mm (cut-to-size service)
Surface Treatments:
- Mill finish (standard Ra 0.8-1.6μm)
- Anodizing (5-25μm thickness)
- Powder coating (RAL color options)
Processing Services:
- CNC machining (±0.025mm precision)
- Waterjet cutting (380MPa pressure)
- T6 heat treatment (530°C solution + artificial aging)
Industrial Applications
Transportation:
- Aircraft wing ribs (2.5mm gauge)
- High-performance bicycle frames (3.0mm butted tubes)
- EV battery enclosures (4.0mm welded assemblies)
Industrial Equipment:
- Robotic arms (6.0mm structural members)
- Hydraulic valve blocks (80mm thick machined parts)
- Semiconductor vacuum chambers (10mm flange plates)
Consumer Products:
- Premium camera bodies (1.2mm extruded sections)
- Marine hardware (5.0mm anodized components)
- Outdoor gear (2.0mm forged fittings)
Performance Advantages
- Machinability: 85% rating vs. free-cutting brass
- Weldability: 92% joint efficiency with 4043 filler
- Corrosion: 0.02 mm/year in marine environments
- Cost: 30% savings vs. 7075 alloy for non-critical apps
Case Study: Boeing 787 uses 6061-T6 for 18% of airframe secondary structures.
Fabrication Guidelines
Machining Parameters:
| Process | Speed | Feed | Tool Material |
|---|---|---|---|
| Milling | 300-500 SFM | 0.1-0.3 mm/tooth | Carbide end mills |
| Drilling | 60-100 SFM | 0.05-0.15 mm/rev | TiN-coated drills |
Welding Notes:
- Preheat: Not required below 25mm thickness
- Gas: Argon shielding (15-20 CFH flow rate)
- Post-Weld: Artificial aging recommended
Quality Assurance
- 100% ultrasonic testing to ASTM E317
- Spectrochemical analysis (PDA verification)
- Third-party inspection available (SGS/BV/TÜV)
Certifications: ISO 9001, AS9100, NADCAP
Packing And Delivery
