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Summary of Coefficient of Linear Expansion (CTE) of Metals

Table 2.1 Summary of Thermal Expansion 
Coefficient of Linear Thermal Expansion (CTE), Approximate Ranges at Room Temperature to 100°C (212°F), from Lowest to Highest CTE Value.

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

CTE  
10-6/K 10-6/°F Material
2.6-3.3 1.4-1.8 Pure Silicon (Si)
2.2-6.1 1.2-3.4 Pure Osmium (Os)
4.5-4.6 2.5-2.6 PureTungsten (W)
0.6-8.7 0.3-4.8 Iron-cobalt-nickel alloys
4.8-5.1 2.7-2.8 Pure Molybdenum (Mo)
5.6 3.1 Pure Arsenic (As)
6.0 3.3 Pure Germanium (Ge)
6.1 3.4 Pure Hafnium (Hf)
5.7-7.0 3.2-3.9 Pure Zirconium (Zr)
6.3-6.6 3.5-3.7 Pure Cerium (Ce)
6.2-6.7 3.4-3.7 Pure Rhenium (Re)
6.5 3.6 Pure Tantalum (Ta)
4.9-8.2 2.7-4.6 Pure Chromium (Cr)
6.8 3.8 Pure Iridium (Ir)
2.0-12 1.1-6.7 Magnetically soft iron alloys
7.1 3.9 Pure Technetium (Tc)
7.2-7.3 4.0-4.1 Pure Niobium (Nb)
5.1-9.6 2.8-5.3 Pure Ruthenium (Ru)
4.5-11 2.5-6.2 Pure Praseodymium (Pr)
7.1-9.7 3.9-5.4 Beta and near beta titanium
8.3-8.5 4.6-4.7 Pure Rhodium (Rh)
8.3-8.4 4.6-4.7 Pure Vanadium (V)
5.5-11 3.1-6.3 Zirconium alloys
8.4-8.6 4.7-4.8 Pure Titanium (Ti)
8.6-8.7 4.8-4.8 Mischmetal
7.6-9.9 4.2-5.5 Unalloyed or low-alloy titanium
7.7-10 4.3-5.7 Alpha beta titanium
4.0-14 2.2-7.8 Molybdenum alloys
8.8-9.1 4.9-5.1 Pure Platinum (Pt)
7.6-11 4.2-5.9 Alpha and near alpha titanium
9.3-9.6 5.2-5.3 High-chromiun gray cast iron
9.3-9.9 5.2-5.5 Ductile high-chromium cast iron
9.1-10 5.1-5.6 Pure Gadolinium (Gd)
8.4-11 4.7-6.3 Pure Antimony (Sb)
8.6-11 4.8-6.3 Maraging steel
9.9 5.5 Protactinium (Pa)
9.8-10 5.4-5.8 Water-hardening tool steel
10-11 5.6-5.9 Molybdenum high-speed tool steel
6.8-14 3.8-7.8 Niobium alloys
9.3-12 5.2-6.5 Ferritic stainless steel
7.6-14 4.2-7.5 Pure Neodymium (Nd)
11 5.9 Cast ferritic stainless steel
8.9-12 4.9-6.9 Hot work tool steel
9.5-12 5.3-6.6 Martensitic stainless steel
9.9-12 5.5-6.5 Cast martensitic stainless steel
11 6.1 Cermet
10-12 5.6-6.6 Ductile silicon-molybdenum cast iron
10-12 5.6-6.5 Iron carbon alloys
9.3-12 5.2-6.9 Pure Terbium (Tb)
9.8-13 5.4-6.9 Cobalt chromium nickel tungsten
10-12 5.8-6.7 High-carbon high-chromium cold work tool steel
11 6.2 Tungsten high-speed tool steel
8.5-14 4.7-7.8 Commercially pure or low-alloy nickel
11 6.3 Low-alloy special purpose tool steel
7.1-16 3.9-8.7 Pure Dysprosium (Dy)
9.3-13 5.2-7.2 Nickel molybdenum alloy steel
11-12 6.1-6.6 Pure Palladium (Pd)
11 6.3 Pure Thorium (Th)
11 6.4 Wrought iron
10-13 5.7-7.0 Oil-hardening cold work tool steel
7.6-15 4.2-8.5 Pure Scandium (Sc)
11-12 6.1-6.8 Pure Beryllium (Be)
6.3-17 3.5-9.4 Carbide
10-13 5.7-7.3 Nickel chromium molybdenum alloy steel
11-12 6.1-6.9 Shock-resisting tool steel
19 11 Pure Silver (Ag)
17-21 9.4-12 Wrought brass
16-23 8.9-13 3xx.x series cast aluminum silicon+copper or magnesium
16-24 8.9-13 2xxx series wrought aluminum copper
16-24 8.9-13 Zinc copper titanium alloys
16-24 9.1-13 6xxx series wrought aluminum magnesium silicon
20 11 Pure Strontium (Sr)
20-21 11-12 Cast brass
18-24 10-13 1xx.x series commercially pure cast aluminum
20-22 11-12 4xx.x series cast aluminum silicon
19-23 11-13 2xx.x series cast aluminum copper
12-32 6.4-18 Pure Gallium (Ga)
22 12 Manganese (Mn)
12-22 6.9-12 4xxx series wrought aluminum silicon
22 12 Pure Calcium (Ca)
21-24 12-13 7xxx series wrought aluminum zinc
22-24 12-13 3xxx series wrought aluminum manganese
23 13 8xx.x series cast aluminum tin
23 13 Unalloyed aluminum ingot
22-25 12-14 1xxx series commercially pure wrought aluminum
23-25 13-14 5xx.x series cast aluminum magnesium
24-25 13-14 7xx.x series cast aluminum zinc
21-29 12-16 Tin lead
22-28 12-15 Zinc aluminum
23-27 13-15 Zinc copper aluminum
25-26 14-15 Cast magnesium aluminum zinc
25-26 14-15 Pure Magnesium (Mg)
12 6.5 Structural steel
11-13 5.9-7.1 Air-hardening medium-alloy cold work tool steel
11-13 6.2-7.0 High-manganese carbon steel
10-14 5.6-7.6 Malleable cast iron
12 6.6 Mold tool steel
8.8-15 4.9-8.4 Nonresulfurized carbon steel
11-14 5.9-7.5 Chromium molybdenum alloy steel
9.4-15 5.2-8.2 Chromium alloy steel
12-13 6.5-7.0 Molybdenum/molybdenum sulfide alloy steel
12 6.8 Chromium vanadium alloy steel
11-14 5.9-7.6 Cold work tool steel
11-14 6.0-7.5 Ductile medium-silicon cast iron
7.6-17 4.2-9.4 Nickel with chromium and/or iron, molybdenum
11-14 6.2-7.5 Resulfurized carbon steel
12-13 6.4-7.4 High strength low-alloy steel (HSLA)
4.8-20 2.7-11 Pure Lutetium (Lu)
10-15 5.6-8.3 Duplex stainless steel
9.9-13 5.5-7.3 High strength structural steel
9.0-16 5.0-8.9 Pure Promethium (Pm)
12-13 6.5-7.4 Pure Iron (Fe)
11-14 5.9-8.0 Metal matrix composite aluminum
10-15 5.6-8.6 Cobalt alloys (including Stellite)
6.0-20 3.3-11 Pure Yttrium (Y)
11-15 6.0-8.5 Gray cast iron
9.0-17 5.0-9.6 Precipitation hardening stainless steel
13 7.4 Pure Bismuth (Bi)
7.0-20 3.9-11 Pure Holmium (Ho)
11-16 6.1-8.6 Nickel copper
13 7.4 Pure Nickel (Ni)
14 7.5 Palladium alloys
12-14 6.8-7.7 Pure Cobalt (Co)
10-17 5.6-9.6 Cast austenitic stainless steel
13-15 7.0-8.2 Gold alloys
8.1-19 4.5-11 High-nickel gray cast iron
14 7.8 Bismuth tin alloys
7.0-20 3.9-11 Pure Uranium (U)
14 7.8 Pure Gold (Au)
10-19 5.3-11 Pure Samarium (Sm)
7.9-21 4.4-12 Pure Erbium (Er)
13-16 7.0-9.0 Nickel chromium silicon gray cast iron
14 7.8 Tungsten alloys
14-15 7.7-8.4 Beryllium alloys
12-18 6.7-10 Manganese alloy steel
10-20 5.6-11 Iron alloys
9.7-19 5.4-11 Proprietary alloy steel
15 8.5 White cast iron
12-19 6.7-10 Austenitic cast iron with graphite
8.8-22 4.9-12 Pure Thulium (Tm)
14-18 7.5-9.8 Wrought copper nickel
13-19 7.0-10 Ductile high-nickel cast iron
4.5-27 2.5-15 Pure Lanthanum (La)
16-18 8.8-10 Wrought high copper alloys
17 9.4 Cast high copper alloys
15-19 8.3-11 Wrought bronze
17-18 9.2-9.8 Cast copper
16-18 9.1-10 Wrought copper
17 9.6 Cast copper nickel silver
9.8-25 5.4-14 Austenitic stainless steel
16-19 8.9-11 Cast bronze
16-19 8.9-11 Wrought copper nickel silver
18 10 Pure Barium (Ba)
18 10 Cast copper nickel
18 10 Pure Tellurium (Te)
18-20 9.9-11 Silver alloys
25-26 14-15 Wrought magnesium aluminum zinc
25-26 14-15 Cast magnesium aluminum manganese
26 15 Cast magnesium rare earth
17-36 9.2-20 Commercially pure tin
25-27 14-15 Commercially pure magnesium
26 15 Pure Ytterbium (Yb)
20-33 11-18 Pure Indium (In)
25-28 14-16 Lead tin solder
27-29 15-16 Commercially pure or low-alloyed lead
28 16 Tin silver
23-34 13-19 9xx.x series cast aluminum plus other elements
29 16 Pure Lead (Pb)
28-30 16-17 Pure Thallium (Tl)
26-31 14-18 Magnesium alloys
20-40 11-22 Unalloyed or low-alloy zinc
22-40 12-22 5xxx series wrought aluminum magnesium
30-32 17-18 Pure Cadmium (Cd)
33-35 18-19 Zinc copper
35 19 Pure Europium (Eu)
37-49 21-27 Pure Selenium (Se)
56 31 Pure Lithium (Li)
64 36 Pure Sulfur (S)
69-71 38-39 Pure Sodium (Na)
83 46 Pure Potassium (K)
90 50 Pure Rubidium (Rb)
14-203 7.8-113 Pure Plutonium (Pu)
125 70 Pure Phosphorus (P)
97-291 54-162 Pure Cesium (Cs)

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

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