Thermal Conductivity Chart

Thermal Conductivity Chart

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Metal, Metallic Element or Alloy Temperature
- t - 
(oC)
Thermal Conductivity 
- k - 
(W/m K)
Aluminum -73 237
" 0 236
" 127 240
" 327 232
" 527 220
Aluminum - Duralumin (94-96% Al, 3-5% Cu, trace Mg) 20 164
Aluminum - Silumin (87% Al, 13% Si) 20 164
Antimony -73 30.2
" 0 25.5
" 127 21.2
" 327 18.2
" 527 16.8
Beryllium -73 301
" 0 218
" 127 161
" 327 126
" 527 107
" 727 89
" 927 73
Beryllium Copper 20 66
Bismuth -73 9.7
" 0 8.2
Boron -73 52.5
" 0 31.7
" 127 18.7
" 327 11.3
" 527 8.1
" 727 6.3
" 927 5.2
Cadmium -73 99.3
" 0 97.5
" 127 94.7
Cesium -73 36.8
" 0 36.1
Chromium -73 111
" 0 94.8
" 127 87.3
" 327 80.5
" 527 71.3
" 727 65.3
" 927 62.4
Cobalt -73 122
" 0 104
" 127 84.8
Copper -73 413
" 0 401
" 127 392
" 327 383
" 527 371
" 727 357
" 927 342
Copper - Admiralty Brass 20 111
Copper - Aluminum Bronze (95% Cu, 5% Al) 20 83
Copper - Bronze (75% Cu, 25% Sn) 20 26
Copper - Brass (Yellow Brass) (70% Cu, 30% Zn) 20 111
Copper - Cartridge brass (UNS C26000) 20 120
Copper - Constantan  (60% Cu, 40% Ni) 20 22.7
Copper - German Silver (62% Cu, 15% Ni, 22% Zn) 20 24.9
Copper - Phosphor bronze (10% Sn, UNS C52400) 20 50
Copper - Red Brass (85% Cu, 9% Sn, 6%Zn) 20 61
Cupronickel 20 29
Germanium -73 96.8
" 0 66.7
" 127 43.2
" 327 27.3
" 527 19.8
" 727 17.4
" 927 17.4
Gold -73 327
" 0 318
" 127 312
" 327 304
" 527 292
" 727 278
" 927 262
Hafnium -73 24.4
" 0 23.3
" 127 22.3
" 327 21.3
" 527 20.8
" 727 20.7
" 927 20.9
Inconel 21 - 100 15
Incoloy 0 – 100 12
Indium -73 89.7
" 0 83.7
" 127 75.5
Iridium -73 153
" 0 148
" 127 144
" 327 138
" 527 132
" 727 126
" 927 120
Iron -73 94
" 0 83.5
" 127 69.4
" 327 54.7
" 527 43.3
" 727 32.6
" 927 28.2
Iron - Cast 20 52
Iron - Nodular pearlitic 100 31
Iron - Wrought 20 59
Lead -73 36.6
" 0 35.5
" 127 33.8
" 327 31.2
Lithium -73 88.1
" 0 79.2
" 127 72.1
Magnesium -73 159
" 0 157
" 127 153
" 327 149
" 527 146
Manganese -73 7.17
" 0 7.68
Mercury -73 28.9
Molybdenum -73 143
" 0 139
" 127 134
" 327 126
" 527 118
" 727 112
" 927 105
Monel 0 – 100 26
Nickel -73 106
" 0 94
" 127 80.1
" 327 65.5
" 527 67.4
" 727 71.8
" 927 76.1
Nickel - Wrought 0 – 100 61 – 90
Niobium (Columbium) -73 52.6
" 0 53.3
" 127 55.2
" 327 58.2
" 527 61.3
" 727 64.4
" 927 67.5
Osmium 20 61
Palladium 75.5
Platinum -73 72.4
" 0 71.5
" 127 71.6
" 327 73.0
" 527 75.5
" 727 78.6
" 927 82.6
Plutonium 20 8.0
Potassium -73 104
" 0 104
" 127 52
Rhenium -73 51
" 0 48.6
" 127 46.1
" 327 44.2
" 527 44.1
" 727 44.6
" 927 45.7
Rhodium -73 154
" 0 151
" 127 146
" 327 136
" 527 127
" 727 121
" 927 115
Rubidium -73 58.9
" 0 58.3
Selenium 20 0.52
Silicon -73 264
" 0 168
" 127 98.9
" 327 61.9
" 527 42.2
" 727 31.2
" 927 25.7
Silver -73 403
" 0 428
" 127 420
" 327 405
" 527 389
" 727 374
" 927 358
Sodium -73 138
" 0 135
Steel - Carbon, 0.5% C 20 54
Steel - Carbon, 1% C 20 43
Steel - Carbon, 1.5% C 20 36
" 400 36
" 122 33
Steel - Chrome, 1% Cr 20 61
Steel - Chrome, 5% Cr 20 40
Steel - Chrome, 10% Cr 20 31
Steel - Chrome Nickel, 15% Cr, 10% Ni 20 19
Steel - Chrome Nickel, 20% Cr, 15% Ni 20 15.1
Steel - Hastelloy B 20 10
Steel - Hastelloy C 21 8.7
Steel - Nickel, 10% Ni 20 26
Steel - Nickel, 20% Ni 20 19
Steel - Nickel, 40% Ni 20 10
Steel - Nickel, 60% Ni 20 19
Steel - Nickel Chrome, 80% Ni, 15% Ni 20 17
Steel - Nickel Chrome, 40% Ni, 15% Ni 20 11.6
Steel - Manganese, 1% Mn 20 50
Steel - Stainless, Type 304 20 14.4
Steel - Stainless, Type 347 20 14.3
Steel - Tungsten, 1% W 20 66
Steel - Wrought Carbon 0 59
Tantalum -73 57.5
" 0 57.4
" 127 57.8
" 327 58.9
" 527 59.4
" 727 60.2
" 927 61
Thorium 20 42
Tin -73 73.3
" 0 68.2
" 127 62.2
Titanium -73 24.5
" 0 22.4
" 127 20.4
" 327 19.4
" 527 19.7
" 727 20.7
" 927 22
Tungsten -73 197
" 0 182
" 127 162
" 327 39
" 527 128
" 727 121
" 927 115
Uranium -73 25.1
" 0 27
" 127 29.6
" 327 34
" 527 38.8
" 727 43.9
" 927 49
Vanadium -73 31.5
" 0 31.3
" 427 32.1
" 327 34.2
" 527 36.3
" 727 38.6
" 927 41.2
Zinc -73 123
" 0 122
" 127 116
" 327 105
Zirconium -73 25.2
" 0 23.2
" 127 21.6
" 327 20.7
" 527 21.6
" 727 23.7
" 927 25.7