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Coefficient of Linear Expansion (CTE) of Metals and Alloys

Table 2.2  Coefficient of Linear Thermal Expansion (CTE) of Metals and Alloys

Excerpt from ASM International Thermal Properties of Metals Chapter 2 Thermal Expansion*

  Temperature   Density   CTE        
  °C °F   kg/m3 lb/in.3   10-6/K 10-6/°F   Notes   Reference
Carbide based material
71WC-12.5TiC-12TaC-4.5Co, Cobalt-bonded cemented carbide
  RT RT   1200 u 0.434 u         Medium grain   16
  200 390         5.2 u 2.9 d   Medium grain   16
  1000 1830         6.5 u 3.6 d   Medium grain   16
72WC-8TiC-11.5TaC-8.5Co, Cobalt-bonded cemented carbide
  RT RT   12600 u 0.455 u         Medium grain   16
  200 390         5.8 u 3.2 d   Medium grain   16
  1000 1830         6.8 u 3.8 d   Medium grain   16
75WC-25Co, Cobalt-bonded cemented carbide
  RT RT   13000 u 0.470 d         Medium grain   16
  200 390         6.3 u 3.5 d   Medium grain   16
84WC-16Co, Cobalt-bonded cemented carbide
  RT RT   13900 u 0.502 u         Fine, coarse grain   16
  200 390         5.8 u 3.2 d   Coarse grain   16
  1000 1830         7.0 u 3.9 d   Coarse grain   16
90WC-10Co, Cobalt-bonded cemented carbide
  RT RT   14500 u 0.524 u         Coarse grain   16
  RT RT   14600 u 0.527 u         Fine grain   16
  200 390         5.2 u 2.9 d   Coarse grain   16
94WC-6Co, Cobalt-bonded cemented carbide
  RT RT   15000 u 0.54 u         Fine, medium, coarse grain   16
  200 390         4.3 u 2.4 d   Fine, medium, coarse grain   16
  1000 1830         5.6 u 3.1 d   Coarse grain   16
  1000 1830         5.9 u 3.3 d   Fine grain   16
  1000 1830         5.4 u 3.0 d   Medium grain   16
97WC-3Co, Cobalt-bonded cemented carbide
  RT RT   15300 u 0.553 d         Medium grain   16
  200 390         4.0 u 2.2 d   Medium grain   16
Cr3C2
  RT RT   6660 th 0.241 d   10.3 u 5.7 d       16
HfC
  RT RT   12760 th 0.461 d   6.6 u 3.7 d       16
Mo2C
  RT RT   9180 th 0.332 d   7.8 u 4.3 d       16
NbC
  RT RT   7800 th 0.28 d   6.7 u 3.7 d       16
TaC
  RT RT   14500 th 0.524 d   6.3 u 3.5 d       16
TiC
  RT RT   4940 th 0.178 d   7.7 u 4.3 d       16
VC
  RT RT   5710 th 0.206 d   7.2 u 4.0 d       16
ZrC
  RT RT   6560 th 0.237 d   6.7 u 3.7 d       16
Cerment
Cr-Al2O3, 77%Cr 23%Al2O3, Aluminum oxide cermet
  RT RT   5900 u 0.21 u             16
  25-800 77-1470         8.64 mean 4.80 mean       16
  25-1000 75-1830         8.93 mean 4.96 mean       16
  25-1315 77-2400         10.35 mean 5.75 mean       16
CrB-Cr-Mo, Boride-base cermet
  RT RT   6770-7270u 0.245-0.263u             16
  20-980 68-1800         9.90 mean 5.50 mean       16
CrB-Ni, Boride-base cermet
  RT RT   6160-6270u 0.223-0.225u             16
  20-980 68-1800         9.81 mean 5.45 mean       16
TiB2, Boride-base cermet
  RT RT   4500 u 0.163 u             16
  20-760 68-1400         6.39 mean 3.55 mean       16
Type A, Chromium carbide cermet
  RT RT   7000 u 0.253 u   10.71 mean 5.95 mean       16
Type B, Chromium carbide cermet
  RT RT   6900 u 0.250 u   11.10 mean 6.17 mean       16
ZrB2, Boride-base cermet
  RT RT   6100 u 0.221 u             16
  20-760 68-1400         7.5 mean 4.17 mean       16
ZrB2-B, Boride-base cermet
  RT RT   4970-5270u 0.180-0.191u             16
  20-1205 68-2200         5.76 u 3.20 u       16
Cast Iron, Austenitic with Graphite
BS 3468-F1, Flake graphite
  RT RT   7300 u 0.264 d   18.7 u 10.4 d       72
BS 3468-F2, Flake graphite
  RT RT   7300 u 0.264 d   18.7 u 10.4 d       72
BS 3468-F3, Flake graphite
  RT RT   7300 u 0.264 d   12.4 u 6.9 d       72
BS 3468-S2, Spheroidal graphite
  RT RT   7400 u 0.267 d   18.7 u 10.4 d       72
BS 3468-S2B, Spheroidal graphite
  RT RT   7400 u 0.267 d   18.7 u 10.4 d       72
BS 3468-S2C, Spheroidal graphite
  RT RT   7400 u 0.267 d   18.4 u 10.2 d       72
BS 3468-S2M, Spheroidal graphite
  RT RT   7400 u 0.267 d   14.7 u 8.2 d       72
BS 3468-S2W, Spheroidal graphite
  RT RT   7400 u 0.267 d   18.7 u 10.4 d       72
BS 3468-S3, Spheroidal graphite
  RT RT   7400 u 0.267 d   12.6 u 7.0 d       72
BS 3468-S5S, Spheroidal graphite
  RT RT   7600 u 0.275 d   12.1 u 6.7 d       72
BS 3468-S6, Spheroidal graphite
  RT RT   7300 u 0.264 d   18.2 u 10.1 d       72
Cast Iron, Ductile
100-70-03
  RT RT   7110 d 0.257 u             67
  20-200 68-390         10.8 d 6.0 u       67
120-90-02
  RT RT   7110 d 0.257 u             67
  20-200 68-390         11.7 d 6.5 u       67
20-26% Ni
  20-200 68-390         4.0-18.9 d 2.2-10.5 u   Austenitic   67
60-40-18
  RT RT   7110 d 0.257 u             67
  20-200 68-390         11.9 d 6.6 u       67
60-45-10
  20-100 68-212         11.5 d 6.4 u   Ferritic   67
  20-200 68-390         11.7-11.9 d 6.5-6.6 u   Ferritic   67
  20-600 68-1112         13.5 d 7.5 u   Ferritic   67
80-55-06
  RT RT   7110 d 0.257 u             67
  20-200 68-390         11.0 d 6.1 u       67
80-60-03
  20-100 68-212         11.5 d 6.4 u   Pearlitic   67
  20-200 68-390         11.9-12.6 d 6.6-7.0 u   Pearlitic   67
  20-300 68-570         12.6 d 7.0 u   Pearlitic   67
  20-400 68-750         13.1 d 7.3 u   Pearlitic   67
  20-500 68-930         13.3 d 7.4 u   Pearlitic   67
  20-600 68-1112         13.5 d 7.5 u   Pearlitic   67
  20-700 68-1292         13.9 d 7.7 u   Pearlitic   67
Ferritic ductile iron
  20-100 68-212         11.2 u 6.23 u       15
  20-200 68-390         12.2 u 6.78 u       15
  20-300 68-570         12.8 u 7.12 u       15
  20-400 68-750         13.2 u 7.34 u       15
  20-500 68-930         13.5 u 7.51 u       15
  20-600 68-1110         13.7 u 7.62 u       15
  20-700 68-1290         13.8 u 7.67 u       15
  20-760 68-1400         14.8 u 8.23 u       15
  20-870 68-1600         15.3 u 8.51 u       15
High-chromium cast iron (ferritic), Heat resistant
  RT RT   7300-7500u 0.264-0.271u             15, 58
  21 70         9.3-9.9 u 5.2-5.5 u       15, 58
High-nickel ductile (20% Ni) cast iron, Heat resistant
  RT RT   7400 u 0.268 u             15, 58
  21 70         18.7 u 10.4 u       15, 58
High-nickel ductile (23% Ni) cast iron, Heat resistant
  RT RT   7400 u 0.268 u             15, 58
  21 70         18.4 u 10.2 u       15, 58
High-nickel ductile (30% Ni) cast iron, Heat resistant
  RT RT   7500 u 0.270 u             15
  20-205 68-400         12.6-14.4 u 7.0-8.0 d       15
High-nickel ductile (36% Ni) cast iron, Heat resistant
  RT RT   7700 u 0.278 u             15
  20-205 68-400         7.2 u 4.0 d       15
High-nickel ductile cast iron, Corrosion-resistant
  RT RT   7400 u 0.267 u             15, 58
  21 70         12.6-18.7 u 7.0-10.4 d       15, 58
Medium silicon ductile iron
  RT RT   7100 u 0.257 u             58, 72
  21 70         10.8-13.5 u 6.0-7.5 u       58, 72
Medium-silicon ductile cast iron, Heat resistant
  RT RT   7100 u 0.257 u             15
  21 70         10.8-13.5 u 6.0-7.5 d       15
Ni-resist type D-2
  RT RT   7418 u 0.268 u             57, 67
  RT RT         17.6 d 9.8 u       67
  21-204 70-400         14.4 d 8.0 u       67
Ni-resist type D-2B
  RT RT   7474 u 0.270 u             67
  20-200 68-390         18.7 d 10.4 u       67
Ni-resist type D-2C
  RT RT   7418 u 0.268 u             67
  20-200 68-390         18.4 d 10.2 u       67
Ni-resist type D-3
  RT RT   7474 u 0.270 u   9.9 d 5.5 u       67
  21-204 70-400         12.6 d 7.0 u       67
Ni-resist type D-4
  RT RT   7474 u 0.270 u   13.1 d 7.3 u       67
  21-204 70-400         18.7 d 10.4 u       67
Ni-resist type D-5
  RT RT   7695 u 0.278 u   5.0 d 2.8 u       67
Pearlitic ductile iron
  20-100 68-212         10.6 u 5.89 u       15
  20-200 68-390         11.7 u 6.51 u       15
  20-300 68-570         12.4 u 6.89 u       15
  20-400 68-750         13.0 u 7.23 u       15
  20-500 68-930         13.3 u 7.39 u       15
  20-600 68-1110         13.6 u 7.56 u       15
  20-760 68-1400         14.8 u 8.23 u       15
  20-870 68-1600         15.3 u 8.51 u       15
Silicon-molybdenum ductile iron
  RT RT   6850 u 0.247 d   10.0-11.8 u 5.6-6.6 d       72
Cast Iron, Gray
BS 1452 Grade 150
  RT RT   7050 u 0.255 d             72
  20-200 68-390         11.0 u 6.1 d       72
  20-400 68-750         12.5 u 6.9 d       72
BS 1452 Grade 180
  RT RT   7100 u 0.257 d             72
  20-200 68-390         11.0 u 6.1 d       72
  20-400 68-750         12.5 u 6.9 d       72
BS 1452 Grade 220
  RT RT   7150 u 0.258 d             72
  20-200 68-390         11.0 u 6.1 d       72
  20-400 68-750         12.5 u 6.9 d       72
BS 1452 Grade 250
  RT RT   7200 u 0.260 d             72
  20-200 68-390         11.0 u 6.1 d       72
  20-400 68-750         12.5 u 6.9 d       72
BS 1452 Grade 300
  RT RT   7250 u 0.262 d             72
  20-200 68-390         11.0 u 6.1 d       72
  20-400 68-750         12.5 u 6.9 d       72
BS 1452 Grade 350
  RT RT   7300 u 0.264 d             72
  20-200 68-390         11.0 u 6.1 d       72
  20-400 68-750         12.5 u 6.9 d       72
BS 1452 Grade 400
  RT RT   7300 u 0.264 d             72
  20-200 68-390         15.0 u 8.3 d   Acicular iron   72

RT, room temperature assumed if no temperature given; t, typical; d, derived; u, unstated; min, minium; max, maxium.

*Source: www.owlnet.rice.edu/~msci301/ThermalExpansion.pdf

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