Aluminum 6061-T6
Material Notes: General 6061 characteristics and uses: Good adhesive properties, good acceptance of applied coatings. It is readily available and combines moderate strength, ease of fabrication, and high corrosion resistance. A better chipping ability can be achieved with T8 and T9 tempers compared to T6 temper.
Applications: Aircraft fittings, camera lens mounts, couplings, marine fittings and hardware, electrical fittings and connectors, decorative or miscellaneous. Hardware, hinge pins, magneto parts, brake pistons, hydraulic pistons, appliance fittings, valves and valve parts, and bike frames.
Specifications for Aluminum 6061-T6 | 3.3211 | 65028 | AlMg1SiCu
This table contains all the necessary characteristics of matter; its physical, mechanical, electrical, and thermal dimensions as well as individual component properties. It will help in understanding the overall functionality of materials and their appropriateness to specific applications.
| Category | Property | Metric | English | Comments |
|---|---|---|---|---|
| Physical Properties | Density | 2.70 g/cc | 0.0975 lb/in³ | AA; Typical |
| Mechanical Properties | Hardness, Brinell | 95 | 95 | AA; Typical; 500 g load; 10 mm ball |
| Hardness, Knoop | 120 | 120 | Converted from Brinell Hardness Value | |
| Hardness, Rockwell A | 40 | 40 | Converted from Brinell Hardness Value | |
| Hardness, Rockwell B | 60 | 60 | Converted from Brinell Hardness Value | |
| Hardness, Vickers | 107 | 107 | Converted from Brinell Hardness Value | |
| Tensile Strength, Ultimate | 310 MPa | 45000 psi | AA; Typical | |
| Tensile Strength, Yield | 276 MPa | 40000 psi | AA; Typical | |
| Modulus of Elasticity | 68.9 GPa | 10000 ksi | AA; Typical; Average of tension and compression. Compression modulus ~2% higher | |
| Notched Tensile Strength | 324 MPa | 47000 psi | Specimen Kt = 17, side-notched | |
| Ultimate Bearing Strength | 607 MPa | 88000 psi | Edge distance/pin diameter = 2.0 | |
| Bearing Yield Strength | 386 MPa | 56000 psi | Edge distance/pin diameter = 2.0 | |
| Fatigue Strength | 96.5 MPa | 14000 psi | Completely reversed stress, 5×10⁸ cycles | |
| Fracture Toughness | 29.0 MPa-m½ | 26.4 ksi-in½ | KIC; TL orientation | |
| Machinability | 50% | 50% | Scale of Aluminum Alloys (0-100) | |
| Shear Modulus | 26.0 GPa | 3770 ksi | Estimated from similar Al alloys | |
| Shear Strength | 207 MPa | 30000 psi | AA; Typical | |
| Electrical Properties | Electrical Resistivity | 0.00000399 ohm-cm | 0.00000399 ohm-cm | AA; Typical; Temperature 20°C (68°F) |
| Thermal Properties | CTE, Linear | 23.6 µm/m-°C (20–100°C range) | 13.1 µin/in-°F (68–212°F range) | AA; Typical |
| 25.2 µm/m-°C (20–300°C range) | 14.0 µin/in-°F (68–572°F range) | |||
| Specific Heat Capacity | 0.896 J/g-°C | 0.214 BTU/lb-°F | ||
| Thermal Conductivity | 167 W/m-K | 1160 BTU-in/hr-ft²-°F | Typical at 77°F | |
| Melting Point | 582–651.7 °C | 1080–1205 °F | Typical range for wrought products ≥ ¼ in. thickness | |
| Processing Properties | Solution Temperature | 529 °C | 985 °F | |
| Aging Temperature | 160 °C, hold 18 hr | 320 °F, hold 18 hr | Rolled or drawn products | |
| 177 °C, hold 8 hr | 350 °F, hold 8 hr | Extrusions or forgings | ||
| Component Elements | Aluminum, Al | 95.8–98.6% | 95.8–98.6% | Remainder |
| Chromium, Cr | 0.04–0.35% | 0.04–0.35% | ||
| Copper, Cu | 0.15–0.40% | 0.15–0.40% | ||
| Iron, Fe | ≤0.70% | ≤0.70% | ||
| Magnesium, Mg | 0.80–1.2% | 0.80–1.2% | ||
| Manganese, Mn | ≤0.15% | ≤0.15% | ||
| Silicon, Si | 0.40–0.80% | 0.40–0.80% | ||
| Titanium, Ti | ≤0.15% | ≤0.15% | ||
| Zinc, Zn | ≤0.25% | ≤0.25% |
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