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# Butane - Thermal Conductivity vs. Temperature and Pressure

Thermal conductivity is a material property that describes ability to conduct heat. Thermal conductivity can be defined as

"the quantity of heat transmitted through a unit thickness of a material - in a direction normal to a surface of unit area - due to a unit temperature gradient under steady state conditions"

The SI unit used for thermal conductivity is [W/m K], while a common Imperial unit is [Btu/h ft °F].

Thermal conductivity unit converter

The thermal conductivity of butane depends on temperature and pressure as shown in the figures and tables below.

Butane phase diagram

### Online Butane Thermal Conductivity Calculator

The calculator below can be used to estimate the thermal conductivity of butane at given temperature and atmospheric pressure.
Note! Butane boiling point at atmospheric pressure is -0.8°C / 30.5°F, and hence, there is a shift in conductivity at that temperature.

The output thermal conductivity is given as mW/(m K), Btu(IT)/(h ft °F), (Btu(IT) in)/(h ft 2 °F) and kcal(IT)/(h m K).

Choose the actual unit of temperature:

See also other properties of Butane at varying temperature and pressure: Density and specific weight , Dynamic and Kinematic Viscosity , Specific Heat (Heat Capacity) and Thermophysical properties at standard conditions ,
as well as thermal conductivity o f air , ammonia , butane , carbon dioxide , ethane , ethylene , hydrogen , methane , nitrogen , propane and water . For thermal conductivity of construction materials, see related documents at the bottom of the page.

Thermal conductivity of butane at given temperatures (°C and °F) and 1 bara:

For full table with Thermal Conductivity - rotate the screen!

 State Temperature Thermal conductivity Temperature Thermal conductivity [K] [°C] [mW/m K] [kcal(IT)/(h m K)] [K] [°F] [Btu(IT)/(h ft °F)] [kcal(IT)/(h m K)] Liquid 78.2 -195 192.1 0.1652 77.6 -320 0.1110 0.1653 123 -150 180.9 0.1556 116 -250 0.1057 0.1574 148 -125 171.9 0.1478 144 -200 0.1002 0.1491 173 -100 161.6 0.1389 172 -150 0.09363 0.1393 198 -75 150.3 0.1292 200 -100 0.08637 0.1285 223 -50 138.5 0.1191 228 -50 0.07879 0.1173 231 -42 134.7 0.1158 231 -44 0.07788 0.1159 248 -25 126.7 0.1089 244 -20 0.07424 0.1105 263 -10 119.8 0.1030 255 0 0.07126 0.1060 268 -5 117.5 0.1011 266 20 0.06834 0.1017 272.3 -0.84 115.7 0.09947 272.3 30.49 0.06684 0.09947 Gas 272.3 -0.84 14.11 0.01214 272.3 30.49 0.00815 0.01214 283 10 15.12 0.01300 283 50 0.00873 0.01300 293 20 16.07 0.01382 300 80 0.00967 0.01438 303 30 17.06 0.01467 305 90 0.00999 0.01486 323 50 19.13 0.01645 311 100 0.01032 0.01535 348 75 21.90 0.01883 339 150 0.01204 0.01791 373 100 24.87 0.02138 366 200 0.01390 0.02069 398 125 28.03 0.02410 394 250 0.01591 0.02367 423 150 31.40 0.02700 422 300 0.01805 0.02686 448 175 34.96 0.03006 478 400 0.02277 0.03389 473 200 38.72 0.03329 533 500 0.02806 0.04176 523 250 46.84 0.04028 589 600 0.03392 0.05047 573 300 55.76 0.04795 644 700 0.04034 0.06004 623 350 65.48 0.05630 700 800 0.04734 0.07045 673 400 76.00 0.06535 755 900 0.05491 0.08171 773 500 99.42 0.08549 811 1000 0.06303 0.09380

Thermal conductivity unit converter

Thermal conductivity of butane at given temperatures  and pressures, SI and Imperial units:

For full table with Thermal Conductivity - rotate the screen!

 State Temperature Pressure Thermal conductivity [K] [°C] [°F] [bara] [psia] [mW/m K] [kcal(IT)/(h m K)] [Btu(IT)/(h ft °F)] Liquid at equilibrium 134.9 -138.25 -216.85 6.7E-06 9.7E-05 176.6 0.1518 0.1020 150 -123 -190 8.6E-05 1.2E-03 171.2 0.1472 0.09892 200 -73 -100 0.0194 0.281 149.4 0.1285 0.08632 220 -53 -64 0.0781 1.13 139.9 0.1203 0.08083 240 -33.2 -28 0.241 3.49 130.4 0.1121 0.07534 260 -13.2 8.3 0.610 8.84 121.2 0.1042 0.07003 280 6.9 44.3 1.33 19.3 112.3 0.09656 0.06489 300 26.9 80.3 2.58 37.4 103.9 0.08934 0.06003 320 46.9 116 4.56 66.2 96.10 0.08263 0.05553 340 66.9 152 7.52 109 88.88 0.07642 0.05135 360 86.9 188 11.7 170 82.27 0.07074 0.04753 380 106.9 224 17.4 252 76.22 0.06554 0.04404 400 126.9 260 25.0 362 70.60 0.06071 0.04079 420 146.9 296 34.9 506 67.19 0.05777 0.03882 134.9 -138.25 -216.85 6.7E-06 9.7E-05 4.855 0.00417 0.00281 Gas at equilibrium 150 -123 -190 8.6E-05 1.2E-03 5.579 0.00480 0.00322 200 -73 -100 0.0194 0.281 8.497 0.00731 0.00491 220 -53 -64 0.0781 1.13 9.884 0.00850 0.00571 240 -33.2 -28 0.241 3.49 11.39 0.00979 0.00658 260 -13.2 8.3 0.610 8.84 13.03 0.01120 0.00753 280 6.9 44.3 1.33 19.3 14.82 0.01274 0.00856 300 26.9 80.3 2.58 37.4 16.78 0.01443 0.00970 320 46.9 116 4.56 66.2 19.00 0.01634 0.01098 340 66.9 152 7.52 109 21.58 0.01856 0.01247 360 86.9 188 11.7 170 24.72 0.02126 0.01428 380 107 224 17.4 252 28.81 0.02477 0.01665 400 127 260 25.0 362 35.03 0.03012 0.02024 420 147 296 34.9 506 53.10 0.04566 0.03068 Liquid 150 -123 -190 1 14.5 171.2 0.1472 0.09893 200 -73.2 -100 1 14.5 149.4 0.1285 0.08632 250 -23.2 -9.7 1 14.5 125.8 0.1082 0.07269 272.31 -0.84 30.49 1 14.5 115.7 0.09947 0.06684 Gas 272.31 -0.84 30.49 1 14.5 14.11 0.01213 0.00815 300 26.9 80.3 1 14.5 16.75 0.01440 0.00968 350 76.9 170 1 14.5 22.12 0.01902 0.01278 400 127 260 1 14.5 28.28 0.02431 0.01634 450 177 350 1 14.5 35.23 0.03029 0.02036 500 227 440 1 14.5 42.98 0.03696 0.02483 550 277 530 1 14.5 51.53 0.04431 0.02978 Liquid 150 -123 -190 10 145 171.5 0.1474 0.09908 200 -73.2 -100 10 145 149.8 0.1288 0.08655 250 -23.2 -9.7 10 145 126.3 0.1086 0.07300 300 26.9 80.3 10 145 104.5 0.08986 0.06038 350 76.9 170 10 145 85.56 0.07357 0.04944 352.62 79.47 175.05 10 145 84.64 0.07277 0.04890 Gas 352.62 79.47 175.05 10 145 23.47 0.02018 0.01356 400 127 260 10 145 29.23 0.02513 0.01689 450 177 350 10 145 36.24 0.03116 0.02094 500 227 440 10 145 44.07 0.03789 0.02546 550 277 530 10 145 52.70 0.04532 0.03045 Liquid 150 -123 -190 50 725 172.6 0.1484 0.09974 200 -73.2 -100 50 725 151.5 0.1303 0.08755 250 -23.2 -9.7 50 725 128.6 0.1106 0.07433 300 26.9 80.3 50 725 107.5 0.09243 0.06211 350 76.9 170 50 725 89.62 0.07706 0.05178 400 127 260 50 725 75.04 0.06452 0.04335 Supercritical phase 450 177 350 50 725 55.86 0.04803 0.03228 500 227 440 50 725 51.14 0.04397 0.02955 550 277 530 50 725 57.84 0.04973 0.03342 Liquid 150 -123 -190 100 1450 174.0 0.1496 0.1006 200 -73.2 -100 100 1450 153.6 0.1321 0.08875 250 -23.2 -9.7 100 1450 131.4 0.1130 0.07592 300 26.9 80.3 100 1450 111.0 0.09543 0.06413 350 76.9 170 100 1450 94.02 0.08084 0.05432 400 127 260 100 1450 81.08 0.06972 0.04685 Supercritical phase 450 177 350 100 1450 71.91 0.06183 0.04155 500 227 440 100 1450 65.91 0.05667 0.03808 550 277 530 100 1450 65.62 0.05642 0.03791 Liquid 150 -123 -190 300 4351 179.3 0.1542 0.1036 200 -73.2 -100 300 4351 161.4 0.1388 0.09324 250 -23.2 -9.7 300 4351 141.4 0.1216 0.08172 300 26.9 80.3 300 4351 123.1 0.1058 0.07112 350 76.9 170 300 4351 108.1 0.09292 0.06244 400 127 260 300 4351 97.05 0.08345 0.05608 Supercritical phase 450 177 350 300 4351 90.03 0.07741 0.05202 500 227 440 300 4351 86.54 0.07441 0.05000 550 277 530 300 4351 85.90 0.07386 0.04963 Liquid 150 -123 -190 650 9427 187.4 0.1612 0.1083 200 -73.2 -100 650 9427 173.2 0.1489 0.1001 250 -23.2 -9.7 650 9427 156.3 0.1344 0.09033 300 26.9 80.3 650 9427 140.3 0.1207 0.08109 350 76.9 170 650 9427 127.0 0.1092 0.07336 400 127 260 650 9427 116.9 0.1005 0.06754 Supercritical phase 450 177 350 650 9427 110.2 0.09474 0.06366 500 227 440 650 9427 106.6 0.09162 0.06156 550 277 530 650 9427 105.6 0.09079 0.06101

Thermal conductivity unit converter

## Related Topics

### • Fluid Mechanics

The study of fluids - liquids and gases. Involving velocity, pressure, density and temperature as functions of space and time.

### • Material Properties

Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.

### • Thermodynamics

Work, heat and energy systems.

## Related Documents

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