Page 277 - Mechanical Engineer's Data Handbook

ENGINEERING MATERIALS 265

CoeEits of linear expansion a( x IO6 "C- ') at normal temperature (unless otherwise stated)

Material U Material U Material a
Aluminium 23 Gold 14 Rubber: natural, soft 150-220
29 (CM00"C) 15 (0-50O0C) natural, hard 80
Antimony 11 Granite 8.3 nitrile 110
Brass 19 Graphite 7.9 silicone 185
Brick 5 Gunmetal 18 Sandstone 12
Bronze 18 Ice 50 Silver 19
Cadmium 30 Iron: cast 11 20.5 (0-900°C)
Cement 11 Wrought 12 Slate 10
Chromium 7 15 (0-700°C) Solder (2 lead: 1 tin) 25
11 (0-m"C) Lead 29 Steel: hardened 12.4
Cobalt 12 33 (0-320°C) mild 11
18 (23 350°C) Magnesium 25 stainless 10.4
Concrete 13 30 (M"C) Tin 21
Copper 16.7 Nickel 12.8 Titanium 9
20 (trloOo0C) 18 (0-1oOo"C) Tungsten 4.5 (20°C)
Diamond 1.3 Phosphor bronze 16.7 6
Duralumin 23 Plaster 17 (600-1400'c)
Ebonite 70 Platinum 8.9 7
German silver 18.4 11 (cr8Oo0C) (14ocL2200 "C)
Glass 8.6 (0-100°C) Porcelain 4 Vanadium 8
9.9 (lW200"C) Quartz 8-14 Zinc 30
11.9 (200-300 "C)

6.2 I .3 Freezing mixtures 6.2 I .4 CoeiRcients of cubical expansion
of liquids at normal temperature (unless
otherwise stated)
Ammonium Crushed ice or
nitrate snow in water Temperature y( x 106"c-')
(Parts) (Parts) ("C) ~~
Liquid y Liquid Y
1 0.94 -4
1 1.20 - 14 Acetic acid 107 Olive oil 70
1 1.31 - 17.5 Aniline 85 Paraffin 90
1 3.61 -8 Benzene 124 Sulphuric acid 51
Chloroform 126 (20%)
Calcium Crushed ice or Temperature Ethanol 110 Turpentine 94
chloride snow in water ("C) Ether 163 Water 41.5
(Parts) (parts) Glycerine 53 (0-100 "C)
Mercury 18 100
1 0.49 - 20 (100-200 "C)
1 0.61 - 39 180
1 0.70 - 55 (200-300 "C)
1 1.23 - 22
1 4.92 -4

Solid carbon dioxide with alcohol - 72
Solid carbon dioxide with - 77
chloroform or ether