Materials
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Aluminium 6061
Material characteristics
Corrosion resistance, lightweight.
Applications
Housings, impellers, bearing blocks, jigs and fixtures, gearboxes, brackets, moulds, heat sinks, structural nodes, electrical enclosures.
| Element | Percentage |
|---|---|
| Si | 0.6-0.8% |
| Mg | 0.6-1.0% |
| Cu | 0.2-0.35% |
| Cr | 0.3% (max) |
| Fe | 0.2% (max) |
| Mn | 0.12% (max) |
| Ti | 0.05% (max) |
| Zn | 0.05 %(max) |
| CAST (reference) | SPEE3D PRINTED | WROUGHT (reference) | ||
| Standard | 356.0 spec1 | Aluminium 6061 2 | 6061-T6 spec3 | |
| Yield Strength (MPa)4 | ASTM E82 | 138 | XY = 175 (min) Z = 160 (min) |
240 |
| Ultimate Tensile Strength (MPa)4 | ASTM E82 | 207 | XY = 220 (min) Z = 220 (min) |
260 |
| Elongation at break (%)4 | ASTM E82 | 3 | XY = 6.5 (min) Z = 4.5 (min) |
8 |
| Hardness Rockwell B (HRB)5 | ASTM E182 | 30 | 36 (typ) | 55 |
| Elastic Modulus (Gpa)4 | ASTM E82 | 70 | 59 | 68.9 |
| Electrical Conductivity (%IACS) | N/A | 36 ± 2% | N/A | |
| Thermal Conductivity (W/m.K) | 150 | 149 | 170 | |
| Fatigue Strength | 50-90 Mpa | R = 0.2 >2.8 x 106 cycles @ 100 Mpa >2.1 x 105 @ 125 Mpa149 |
R = -1 5 x 108 cycles @ 96.5 Mpa |
|
| Corrosion resistant (mmpy)6 | ASTM G59-972 | 0.058 | 0.055 | 0.051 |
1. From the ASTM-B26 standard.
2. Samples were heat treated according to SPEE3D’s standard operating procedure.
3. From the ASTM-B308/B308M standard, sample thickness less than 1/4″.
4. Specimens tested according to ASTM E8.
5. Specimens tested according to ASTM E18.
6. Specimens tested according to ASTM G59-97 (tested in 3.5% NaCl solution)
Listed designations are for reference purposes only. Composition and mechanical properties may vary. End-use material performance is impacted (+/-) by certain factors including but not limited to part geometry and design, application and evaluation conditions.