Thermal Conductivity of Metals
Thermal conductivity of some common metals
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Thermal Conductivity - k - is the quantity of heat transmitted due to an unit temperature gradient, in unit time under steady conditions in a direction normal to a surface of the unit area. Thermal Conductivity - k - is used in the Fourier's equation.
| Metal | Temperature - t - (oF) | Thermal Conductivity - k - (Btu/(hr oF ft)) | Temperature - t - (oC) | Thermal Conductivity - k - (W/m K) |
|---|---|---|---|---|
| Admiralty Brass | 68 | 64 | 20 | 111 |
| Aluminum, pure | 68 | 118 | 20 | 204 |
| 200 | 124 | 93 | 215 | |
| 400 | 144 | 204 | 249 | |
| Aluminum Bronze | 68 | 44 | 20 | 76 |
| Antimony | 68 | 10.7 | 20 | 19 |
| Beryllium | 68 | 126 | 20 | 218 |
| Beryllium Copper | 68 | 38 | 20 | 66 |
| Bismuth | 68 | 4.9 | 20 | 8.5 |
| Cadmium | 68 | 54 | 20 | 93 |
| Carbon Steel, max 0.5% C | 68 | 31 | 20 | 54 |
| Carbon Steel, max 1.5% C | 68 | 21 | 20 | 36 |
| 752 | 19 | 400 | 33 | |
| 2192 | 17 | 1,200 | 29 | |
| Cartridge brass (UNS C26000) | 68 | 69.4 | 20 | 120 |
| Cast Iron, gray | 70 | 27 - 46 | 21 | 47 – 80 |
| Chromium | 68 | 52 | 20 | 90 |
| Cobalt | 68 | 40 | 20 | 69 |
| Copper, pure | 68 | 223 | 20 | 386 |
| 572 | 213 | 300 | 369 | |
| 1112 | 204 | 600 | 353 | |
| Copper bronze (75% Cu, 25% Sn) | 68 | 15 | 20 | 26 |
| Copper brass (70% Cu, 30% Zi) | 68 | 64 | 20 | 111 |
| Cupronickel | 68 | 17 | 20 | 29 |
| Gold | 68 | 182 | 20 | 315 |
| Hastelloy B | 6 | 10 | ||
| Hastelloy C | 70 | 5 | 21 | 8.7 |
| Inconel | 70 - 212 | 8.4 | 21 - 100 | 15 |
| Incoloy | 32 - 212 | 6.8 | 0 – 100 | 12 |
| Iridium | 68 | 85 | 20 | 147 |
| Iron, nodular pearlitic | 212 | 18 | 100 | 31 |
| Iron, pure | 68 | 42 | 20 | 73 |
| 572 | 32 | 300 | 55 | |
| 1832 | 20 | 1,000 | 35 | |
| Iron, wrought | 68 | 34 | 20 | 59 |
| Lead | 68 | 20 | 20 | 35 |
| 572 | 17.2 | 300 | 30 | |
| Manganese Bronze | 68 | 61 | 20 | 106 |
| Magnesium | 68 | 91.9 | 20 | 159 |
| Mercury | 68 | 4.85 | 20 | 8.4 |
| Molybdenum | 68 | 81 | 20 | 140 |
| Monel | 32 - 212 | 15 | 0 – 100 | 26 |
| Nickel | 68 | 52 | 20 | 90 |
| Nickel Wrought | 32 - 212 | 35 - 52 | 0 – 100 | 61 – 90 |
| Niobium (Columbium) | 68 | 30 | 20 | 52 |
| Osmium | 68 | 35 | 20 | 61 |
| Phosphor bronze (10% Sn, UNS C52400) | 68 | 28.9 | 20 | 50 |
| Platinum | 68 | 42 | 20 | 73 |
| Plutonium | 68 | 4.6 | 20 | 8.0 |
| Potassium | 68 | 57.8 | 20 | 100 |
| Red Brass | 68 | 92 | 20 | 159 |
| Rhodium | 68 | 86.7 | 20 | 150 |
| Selenium | 68 | 0.3 | 20 | 0.52 |
| Silicon | 68 | 48.3 | 20 | 84 |
| Silver, pure | 68 | 235 | 20 | 407 |
| Sodium | 68 | 77.5 | 20 | 134 |
| Stainless Steel | 68 | 7-26 | 20 | 12 – 45 |
| Tantalum | 68 | 31 | 20 | 54 |
| Thorium | 68 | 24 | 20 | 42 |
| Tin | 32 | 36 - 39 | 0 | 62 – 68 |
| Titanium | 68 | 11 - 13 | 20 | 19 – 23 |
| Tungsten | 68 | 94 - 100 | 20 | 163 – 173 |
| Uranium | 68 | 14 | 20 | 24 |
| Vanadium | 68 | 35 | 20 | 61 |
| Wrought Carbon Steel | 32 | 34 | 0 | 59 |
| Yellow Brass | 68 | 67 | 20 | 116 |
| Zinc | - | 67 | 116 | |
| Zirconium | 32 | 13.4 | 0 | 23 |
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