Thermal Expansion Coefficients: tungsten
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 |
|---|---|---|---|---|---|
| tungsten | -200 | 3.5 | steel | 4 | Pure tungsten (W); highest melting point of metals (3422°C) |
| tungsten | -100 | 4 | steel | 4.2 | Pure tungsten |
| tungsten | 0 | 4.4 | steel | 4.4 | Pure tungsten |
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