Thermal Expansion Coefficients: al_2024
Coefficient of linear thermal expansion (CTE, alpha) as a function of temperature for common engineering materials — steels, stainless steels, aluminum alloys, titanium, nickel superalloys, copper alloys, ceramics, and polymers at temperatures from -200C to 2000C (material-dependent)
| material | temperature C | CTE 1e6 per C (1e-6/C) | material category | mean CTE from 20C 1e6 per C (1e-6/C) | notes |
|---|---|---|---|---|---|
| al_2024 | -200 | 14.5 | aluminum | 16.5 | Al 2024-T3/T4; Cu-bearing high-strength alloy |
| al_2024 | -100 | 19 | aluminum | 20.5 | Al 2024-T3 |
| al_2024 | 20 | 23.2 | aluminum | 23.2 | Al 2024-T3 — reference temperature |
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