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Material
Linear
Volumetric
Notes
coefficient α
coefficient αV
at 20 °C
(10−6 K−1)
Aluminium
23.1
69
Aluminium nitride
5.3
4.2
Benzocyclobutene
42
126
Brass
19
57
Carbon steel
10.8
32.4
CFRP
– 0.8
Anisotropic
Fiber direction
Concrete
12
36
Copper
17
51
Diamond
1
3
Ethanol
250
750
Gallium(III) arsenide
5.8
17.4
Gasoline
317
950
Glass
8.5
25.5
Glass, borosilicate
3.3
9.9
Gold
14
Indium phosphide
4.6
13.8
Invar
1.2
3.6
Iron
11.8
33.3
Kapton
20
60
DuPont Kapton 200EN
Lead
29
87
Macor
9.3
Magnesium
26
78
Mercury
61
182
Molybdenum
4.8
14.4
Nickel
13
39
Oak
54
Perpendicular to the grain
Douglas-fir
27
75
radial
45
tangential
3.5
parallel to grain
Platinum
9
PP
150
450
PVC
52
156
Quartz (fused)
0.59
1.77
Quartz
0.33
Rubber
disputed
see Talk
Sapphire
Parallel to C axis, or [001]
Silicon Carbide
2.77
8.31
Silicon
2.56 {Z. Phys. B - Condensed Matter 48, 17-21 (1982), P. Becker, P. Seyfried, and H. Siegert}
Silver
18
Sitall
0±0.15
0±0.45
average for −60 °C to 60 °C
Stainless steel
10.1 ~ 17.3
51.9
Steel
11.0 ~ 13.0
33.0 ~ 39.0
Depends on composition
Titanium
8.6
11–14
Tungsten
4.5
13.5
Water
207
YbGaGe
≐0
Refuted
Zerodur
≈0.02
at 0...50 °C