Thermal conductivities of the elements (data page)

Thermal conductivity

1 H hydrogen
use180.5 mW/(m·K)
CR2(P=0) 186.9 mW/(m·K)
LNG0.1805 W/(m·K)
WEL0.1805 W/(m·K)
2 He helium
use151.3 mW/(m·K)
CR2(P=0) 156.7 mW/(m·K)
LNG0.1513 W/(m·K)
WEL0.1513 W/(m·K)
3 Li lithium
use84.8 W/(m·K)
CRC0.847 W/(cm·K)
LNG84.8 W/(m·K)
WEL85 W/(m·K)
4 Be beryllium
use200 W/(m·K)
CRC2.00 W/(cm·K)
LNG200 W/(m·K)
WEL190 W/(m·K)
5 B boron
use27.4 W/(m·K)
LNG27.4 W/(m·K)
WEL27 W/(m·K)
6 C carbon (graphite)
use(graphite) (119165) W/(m·K)
LNG(119165) W/(m·K)
LNG(amorphous) 1.59 W/(m·K)
WEL140 W/(m·K)
CRCpyrolytic graphite
(parallel to the layer planes) 19.5 W/(cm·K)
(perpendicular) 0.0570 W/(cm·K)
6 C carbon (diamond)
use(diamond) (9002320) W/(m·K)
LNG(9002320) W/(m·K)
CRC(type I) 8.95 W/(cm·K)
(type IIa) 23.0 W/(cm·K)
(type IIb) 13.5 W/(cm·K)
7 N nitrogen
use25.83 mW/(m·K)
CR226.0 mW/(m·K)
LNG0.02583 W/(m·K)
WEL0.02583 W/(m·K)
8 O oxygen
use26.58 mW/(m·K)
CR226.3 mW/(m·K)
LNG(gas) 0.02658 W/(m·K)
LNG(liquid) 0.149 W/(m·K)
WEL0.02658 W/(m·K)
9 F fluorine
use27.7 mW/(m·K)
LNG0.0277 W/(m·K)
WEL0.0277 W/(m·K)
10 Ne neon
use49.1 mW/(m·K)
CR2(P=0) 49.8 mW/(m·K)
LNG0.0491 W/(m·K)
WEL0.0491 W/(m·K)
11 Na sodium
use142 W/(m·K)
CRC1.41 W/(cm·K)
LNG142 W/(m·K)
WEL140 W/(m·K)
12 Mg magnesium
use156 W/(m·K)
CRC1.56 W/(cm·K)
LNG156 W/(m·K)
WEL160 W/(m·K)
13 Al aluminium
use237 W/(m·K)
CRC2.37 W/(cm·K)
LNG237 W/(m·K)
WEL235 W/(m·K)
14 Si silicon
use149 W/(m·K)
LNG149 W/(m·K)
WEL150 W/(m·K)
15 P phosphorus
use(white) 0.236 W/(m·K)
LNG(white) 0.23617 W/(m·K) [sic]
WEL0.236 W/(m·K)
16 S sulfur
use(amorphous) 0.205 W/(m·K)
LNG(amorphous) 0.205 W/(m·K)
WEL0.205 W/(m·K)
17 Cl chlorine
use8.9 mW/(m·K)
LNG0.0089 W/(m·K)
WEL0.0089 W/(m·K)
18 Ar argon
use17.72 mW/(m·K)
CR217.9 mW/(m·K)
LNG0.01772 W/(m·K)
WEL0.01772 W/(m·K)
19 K potassium
use102.5 W/(m·K)
CRC1.024 W/(cm·K)
LNG102.5 W/(m·K)
WEL100 W/(m·K)
20 Ca calcium
use201 W/(m·K)
CRC2.00 W/(cm·K)
LNG201 W/(m·K)
WEL200 W/(m·K)
21 Sc scandium
use15.8 W/(m·K)
CRC0.158 W/(cm·K)
LNG15.8 W/(m·K)
WEL16 W/(m·K)
22 Ti titanium
use21.9 W/(m·K)
CRC0.219 W/(cm·K)
LNG21.9 W/(m·K)
WEL22 W/(m·K)
23 V vanadium
use30.7 W/(m·K)
CRC0.307 W/(cm·K)
LNG30.7 W/(m·K)
WEL31 W/(m·K)
24 Cr chromium
use93.9 W/(m·K)
CRC0.937 W/(cm·K)
LNG93.9 W/(m·K)
WEL94 W/(m·K)
25 Mn manganese
use7.81 W/(m·K)
CRC0.0782 W/(cm·K)
LNG7.81 W/(m·K)
WEL7.8 W/(m·K)
26 Fe iron
use80.4 W/(m·K)
CRC0.802 W/(cm·K)
LNG80.4 W/(m·K)
WEL80 W/(m·K)
27 Co cobalt
use100 W/(m·K)
CRC1.00 W/(cm·K)
LNG100 W/(m·K)
WEL100 W/(m·K)
28 Ni nickel
use90.9 W/(m·K)
CRC0.907 W/(cm·K)
LNG90.9 W/(m·K)
WEL91 W/(m·K)
29 Cu copper
use401 W/(m·K)
CRC4.01 W/(cm·K)
LNG401 W/(m·K)
WEL400 W/(m·K)
30 Zn zinc
use116 W/(m·K)
CRC1.16 W/(cm·K)
LNG116 W/(m·K)
WEL120 W/(m·K)
31 Ga gallium
use40.6 W/(m·K)
CRC0.406 W/(cm·K)
LNG(liquid) 29.4 W/(m·K)
LNG(solid) 40.6 W/(m·K)
WEL29 W/(m·K)
32 Ge germanium
use60.2 W/(m·K)
LNG60.2 W/(m·K)
WEL60 W/(m·K)
33 As arsenic
use50.2 W/(m·K)
LNG50.2 W/(m·K)
WEL50 W/(m·K)
34 Se selenium
use(amorphous) 0.519 W/(m·K)
LNG(amorphous) 0.519 W/(m·K)
WEL0.52 W/(m·K)
35 Br bromine
use0.122 W/(m·K)
LNG0.122 W/(m·K)
WEL0.12 W/(m·K)
36 Kr krypton
use9.43 mW/(m·K)
CR2(P=0) 9.5 mW/(m·K)
LNG9.43 W/(m·K) [sic]
WEL0.00943 W/(m·K)
37 Rb rubidium
use58.2 W/(m·K)
CRC0.582 W/(cm·K)
LNG58.2 W/(m·K)
WEL58 W/(m·K)
38 Sr strontium
use35.4 W/(m·K)
CRC0.353 W/(cm·K)
LNG35.4 W/(m·K)
WEL35 W/(m·K)
39 Y yttrium
use17.2 W/(m·K)
CRC0.172 W/(cm·K)
LNG17.2 W/(m·K)
WEL17 W/(m·K)
40 Zr zirconium
use22.6 W/(m·K)
CRC0.227 W/(cm·K)
LNG22.6 W/(m·K)
WEL23 W/(m·K)
41 Nb niobium
use53.7 W/(m·K)
CRC0.537 W/(cm·K)
LNG53.7 W/(m·K)
WEL54 W/(m·K)
42 Mo molybdenum
use138 W/(m·K)
CRC1.38 W/(cm·K)
LNG138 W/(m·K)
WEL139 W/(m·K)
43 Tc technetium
use50.6 W/(m·K)
CRC0.506 W/(cm·K)
LNG50.6 W/(m·K)
WEL51 W/(m·K)
44 Ru ruthenium
use117 W/(m·K)
CRC1.17 W/(cm·K)
LNG117 W/(m·K)
WEL120 W/(m·K)
45 Rh rhodium
use150 W/(m·K)
CRC1.50 W/(cm·K)
LNG150 W/(m·K)
WEL150 W/(m·K)
46 Pd palladium
use71.8 W/(m·K)
CRC0.718 W/(cm·K)
LNG71.8 W/(m·K)
WEL72 W/(m·K)
47 Ag silver
use429 W/(m·K)
CRC4.29 W/(cm·K)
LNG429 W/(m·K)
WEL430 W/(m·K)
48 Cd cadmium
use96.6 W/(m·K)
CRC0.968 W/(cm·K)
LNG96.6 W/(m·K)
WEL97 W/(m·K)
49 In indium
use81.8 W/(m·K)
CRC0.816 W/(cm·K)
LNG81.8 W/(m·K)
WEL82 W/(m·K)
50 Sn tin
use66.8 W/(m·K)
CRC0.666 W/(cm·K)
LNG66.8 W/(m·K)
WEL67 W/(m·K)
51 Sb antimony
use24.4 W/(m·K)
CRC0.243 W/(cm·K)
LNG24.4 W/(m·K)
WEL24 W/(m·K)
52 Te tellurium
use(1.973.38) W/(m·K)
LNG(1.973.38) W/(m·K)
WEL3 W/(m·K)
53 I iodine
use0.449 W/(m·K)
CRC(300 K) 0.45 W/(m·K)
LNG449 W/(m·K) [sic]
WEL0.449 W/(m·K)
54 Xe xenon
use5.65 mW/(m·K)
CR2(P=0) 5.5 mW/(m·K)
LNG0.00565 W/(m·K)
WEL0.00565 W/(m·K)
55 Cs caesium
use35.9 W/(m·K)
CRC0.359 W/(cm·K)
LNG35.9 W/(m·K)
WEL36 W/(m·K)
56 Ba barium
use18.4 W/(m·K)
CRC0.184 W/(cm·K)
LNG18.4 W/(m·K)
WEL18 W/(m·K)
57 La lanthanum
use13.4 W/(m·K)
CRC0.134 W/(cm·K)
LNG13.4 W/(m·K)
WEL13 W/(m·K)
58 Ce cerium
use11.3 W/(m·K)
CRC0.113 W/(cm·K)
LNG11.3 W/(m·K)
WEL11 W/(m·K)
59 Pr praseodymium
use12.5 W/(m·K)
CRC0.125 W/(cm·K)
LNG12.5 W/(m·K)
WEL13 W/(m·K)
60 Nd neodymium
use16.5 W/(m·K)
CRC0.165 W/(cm·K)
LNG16.5 W/(m·K)
WEL17 W/(m·K)
61 Pm promethium
use17.9 W/(m·K)
CRC(est.) 0.15 W/(cm·K)
LNG17.9 W/(m·K)
WEL15 W/(m·K)
62 Sm samarium
use13.3 W/(m·K)
CRC0.133 W/(cm·K)
LNG13.3 W/(m·K)
WEL13 W/(m·K)
63 Eu europium
use(est.) 13.9 W/(m·K)
CRC(est.) 0.139 W/(cm·K)
LNG13.9 W/(m·K)
WEL14 W/(m·K)
64 Gd gadolinium
use10.6 W/(m·K)
(300 K) 10.6 W/(m·K)
CRC(100 °C) 0.105 W/(cm·K)
LNG10.5 W/(m·K)
WEL11 W/(m·K)
65 Tb terbium
use11.1 W/(m·K)
CRC0.111 W/(cm·K)
LNG11.1 W/(m·K)
WEL11 W/(m·K)
66 Dy dysprosium
use10.7 W/(m·K)
CRC0.107 W/(cm·K)
LNG10.7 W/(m·K)
WEL11 W/(m·K)
67 Ho holmium
use16.2 W/(m·K)
CRC0.162 W/(cm·K)
LNG16.2 W/(m·K)
WEL16 W/(m·K)
68 Er erbium
use14.5 W/(m·K)
CRC0.145 W/(cm·K)
LNG14.5 W/(m·K)
WEL15 W/(m·K)
69 Tm thulium
use16.9 W/(m·K)
CRC0.169 W/(cm·K)
LNG16.9 W/(m·K)
WEL17 W/(m·K)
70 Yb ytterbium
use38.5 W/(m·K)
CRC0.385 W/(cm·K)
LNG38.5 W/(m·K)
WEL39 W/(m·K)
71 Lu lutetium
use16.4 W/(m·K)
CRC0.164 W/(cm·K)
LNG16.4 W/(m·K)
WEL16 W/(m·K)
72 Hf hafnium
use23.0 W/(m·K)
CRC0.230 W/(cm·K)
LNG23.0 W/(m·K)
WEL23 W/(m·K)
73 Ta tantalum
use57.5 W/(m·K)
CRC0.575 W/(cm·K)
LNG57.5 W/(m·K)
WEL57 W/(m·K)
74 W tungsten
use173 W/(m·K)
CRC1.74 W/(cm·K)
LNG173 W/(m·K)
WEL170 W/(m·K)
75 Re rhenium
use48.0 W/(m·K)
CRC0.479 W/(cm·K)
LNG48.0 W/(m·K)
WEL48 W/(m·K)
76 Os osmium
use87.6 W/(m·K)
CRC0.876 W/(cm·K)
LNG87.6 W/(m·K)
WEL88 W/(m·K)
77 Ir iridium
use147 W/(m·K)
CRC1.47 W/(cm·K)
LNG147 W/(m·K)
WEL150 W/(m·K)
78 Pt platinum
use71.6 W/(m·K)
CRC0.716 W/(cm·K)
LNG71.6 W/(m·K)
WEL72 W/(m·K)
79 Au gold
use318 W/(m·K)
CRC3.17 W/(cm·K)
LNG318 W/(m·K)
WEL320 W/(m·K)
80 Hg mercury
use8.30 W/(m·K)
CRC0.0834 W/(cm·K)
LNG8.30 W/(m·K)
WEL8.3 W/(m·K)
81 Tl thallium
use46.1 W/(m·K)
CRC0.461 W/(cm·K)
LNG46.1 W/(m·K)
WEL46 W/(m·K)
82 Pb lead
use35.3 W/(m·K)
CRC0.353 W/(cm·K)
LNG35.3 W/(m·K)
WEL35 W/(m·K)
83 Bi bismuth
use7.97 W/(m·K)
CRC0.0787 W/(cm·K)
LNG7.97 W/(m·K)
WEL8 W/(m·K)
84 Po polonium
CRC0.20 W/(cm·K)
LNG0.2 W/(m·K)
85 At astatine
use1.7 W/(m·K)
LNG1.7 W/(m·K)
WEL2 W/(m·K)
86 Rn radon
use3.61 mW/(m·K)
LNG0.00361 W/(m·K)
WEL0.00361 W/(m·K)
88 Ra radium
use18.6 W/(m·K)
LNG18.6 W/(m·K)
WEL19 W/(m·K)
89 Ac actinium
use12 W/(m·K)
LNG12 W/(m·K)
WEL12 W/(m·K)
90 Th thorium
use54.0 W/(m·K)
CRC0.540 W/(cm·K)
LNG54.0 W/(m·K)
WEL54 W/(m·K)
91 Pa protactinium
use47 W/(m·K)
LNG47 W/(m·K)
WEL47 W/(m·K)
92 U uranium
use27.5 W/(m·K)
CRC0.276 W/(cm·K)
LNG27.5 W/(m·K)
WEL27 W/(m·K)
93 Np neptunium
use6.3 W/(m·K)
CRC0.063 W/(cm·K)
LNG6.3 W/(m·K)
WEL6 W/(m·K)
94 Pu plutonium
use6.74 W/(m·K)
CRC0.0674 W/(cm·K)
LNG6.74 W/(m·K)
WEL6 W/(m·K)
95 Am americium
use10 W/(m·K)
LNG10 W/(m·K)
WEL10 W/(m·K)
97 Bk berkelium
use10 W/(m·K)
LNG10 W/(m·K)
WEL10 W/(m·K)


  • Ref. CRC: Values refer to 27 °C unless noted.
  • Ref. CR2: Values refer to 300 K and a pressure of "100 kPa (1 bar)", or to the saturation vapor pressure if that is less than 100 kPa. The notation (P=0) denotes low pressure limiting values.
  • Ref. LNG: Values refer to 300 K.
  • Ref. WEL: Values refer to 25 °C.



As quoted from various sources in an online version of:

  • David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 12, Properties of Solids; Thermal and Physical Properties of Pure Metals / Thermal Conductivity of Crystalline Dielectrics / Thermal Conductivity of Metals and Semiconductors as a Function of Temperature


As quoted from various sources in an online version of:

  • David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 6, Fluid Properties; Thermal Conductivity of Gases


As quoted from this source in an online version of: J.A. Dean (ed), Lange's Handbook of Chemistry (15th Edition), McGraw-Hill, 1999; Section 4; Table 4.1, Electronic Configuration and Properties of the Elements

  • Ho, C. Y., Powell, R. W., and Liley, P. E., J. Phys. Chem. Ref. Data 3:Suppl. 1 (1974)


As quoted at from these sources:

  • G.W.C. Kaye and T.H. Laby in Tables of physical and chemical constants, Longman, London, UK, 15th edition, 1993.
  • D.R. Lide, (Ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 79th edition, 1998.
  • J.A. Dean (ed) in Lange's Handbook of Chemistry, McGraw-Hill, New York, USA, 14th edition, 1992.
  • A.M. James and M.P. Lord in Macmillan's Chemical and Physical Data, Macmillan, London, UK, 1992.

See also

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