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Materials Properties

It is difficult to find two or more websites with lists of material properties that agree on assigned values. Most are in agreement within three or four significant places, but beyond that, there can be major disagreements. For that reason, I have used values that match best with the majority of sites researched. If you need greater precision, I suggest that you do your own research and then actually contact the source of the data.

Finding published values for density is pretty easy, but thermal conductivity, thermal expansion, resistivity, etc., is a crap shoot. In cases where I could not find agreement on numbers, I chose to not list anything. Since a lot of people rely on RF Cafe for accurate information, my policy is to present nothing rather then present questionable or non-verifiable data.




Substance Melting
Temperature
(ºC)

Density
(g/cm3)
Thermal
Conductivity
(Ω/m·K)
Thermal
Expansion
(10-6 K)

Resistivity
(μΩ·cm)
Acetone -94.85 (melt)
56.05 (boil)
0.7899      
Air, Dry, 0 °C   0.00129      
Air, Dry, 25 °C   0.001225      
Alanx CG8963.32   3.32      
Alcohol, Ethanol C2H5OH   -114.2 (melt)
78.29 (boil)
 0.789      
Alcohol, Methanol CH3OH   -97.68
66.55 (boil)
 0.792      
Argon 0 °C -189.3 (melt)
-185.8 (boil)
0.001784      
Alumina, Al2O3 2040 3.9 32.2 6.5 1020
Alumina, 85%   3.41      
Alumina, 90%   3.6      
Alumina, 94%   3.7      
Alumina, 96%   3.75      
Alumina, 99%   3.9      
Alumina, 99.5%   3.89      
Alumina, 99.9%   3.96      
Aluminosilicate   2.6      
Aluminum, Pure 660.1 2.643 238 23.5 2.67
Aluminum, 2024-T3   2.77      
Aluminum, 6061-T6   2.7      
Aluminum, 7079-T6   2.74      
Aluminum bronze   7.702      
Aluminum Nitride   3.25      
Benzene   0.737      
Beryllium, QMV   1.85      
Beryllia, BeO 2550 2.85 215 7.5 1020
Beryllium   1.8477      
Birch Wood   0.705      
Boron Carbide   2.5      
Borosilicate Glass   2.3      
Brass 930.0 8.553      
Brick   1.8 - 2.4      
Bronze, ~11% Tin   8.1      
Bronze, Aluminum   7.702      
Bronze, Phosphor    8.8      
Carbon  4492 2.25      
Carbon Steel   7.84      
Carbon Tool Steel   7.82      
Carbon-Carbon Composite   1.65      
Ceramic  2870 2 - 3      
Cherry Wood   0.433      
Coal, Anthracite   1.554      
Coal, Bituminous   1.346      
Coal, Coke   1.201      
Coal, Lignite   1.25      
Cobalt   8.8      
Concrete    2.3 - 2.4      
Copper 1083.4 8.96   17.0 1.694
Copper Ore, pyrites   4.197      
Copper, cast-rolled   8.906      
Copper, Pure   8.9      
Cork   0.15 - 0.20      
Corundum-Crystal Form   3.99      
Delrin (acetyl resin) 175 8.96   3.6 1020
Ethyl Alcohol   0.802      
Gasoline   0.721      
German Silver   8.586      
Glass   2.6      
Glass, Pyrex          
Gold, 99.99% 1063 19.3 315.5 14.1 2.20
Gold Coin (US)   17.19      
Gold, cast-hammered   19.3      
Granite   2.6      
Graphite   2.163      
Hafnium Carbide   12.76      
HDPE   0.955      
Helium 0 °C  -268.9 (boil) 0.0001785      
High Speed Tool Steel   8.75      
Hydrogen 0 °C -259.3 (melt)
-252.9 (boil)
 8.99x10-5      
Ice    0.897      
Iridium   22.16      
Iron          
Iron, Cast, Pig   7.207      
Iron, Ferrosilicon   6.984      
Iron, gray cast   7.079      
Iron Ore, Hematite   5.206      
Iron Ore, Limonite   3.796      
Iron Ore, Magnetite   5.046      
Iron Slag   2.755      
Iron, Spiegeleisen   7.496      
Iron, Wrought   7.658      
Kevlar          
Kevlar 149   1.47      
Kevlar 29   1.44      
Kevlar 49   1.44      
Lead 327.5  11.37      
Lead Glass   2.8      
Lead Ore, Galena   7.449      
Leather, common   0.945      
Limestone   2.0 - 2.9      
Magnesium, Pure 650.0 1.74      
Mahogany   0.705      
Manganese   7.608      
Manganese Ore   4.149      
Marble   2.6 - 2.9      
Mercury -38.83 (melt)
356.7 (boil)
13.579      
Methyl Alcohol   0.809      
Mg-PSZ   5.75      
Mineral Oil   0.914      
Molybdenum, wrought   10.3      
Monel Metal, rolled  1330 8.688      
Mullite   2.82      
Neon 0 °C -248.6 (melt)
-246.1 (boil)
 8.99x10-4      
Nickel 1455 8.602 88 13.3 6.9
Nickel, Pure   8.9      
Nitride-Bonded SiC   2.54      
Nitrogen 0 °C -210.0 (melt)
-195.8 (boil)
 0.00125      
Nylon, Polyamide   1.1      
Oxygen 0 °C -218.8 (melt)
-182.9 (boil)
 0.001429      
Paper   0.929      
Paraffin   0.898      
Petroleum, Crude          
Pig Iron   7.207      
Platinum   21.3      
Plutonium, alpha phase   19.35      
Polyurethane   1      
PSZ   5.75      
Pure Iron   7.86      
Pyrolusite, Mn Ore   4.149      
Quartz Glass   2.2      
RB-SiC   3.09      
Red Oak Wood   0.673      
Refrax   2.54      
RT/Duriod 5880          
Rubber   1.506      
Sapphire   3.99      
SiAlON   3.3      
Silica,                 SiO2          
Silicon 1412 2.34 138 7.6 105
Silicon carbide   3.2      
Silicon Nitride   3.28      
Silver, Cast-hammered   10.51      
Silver, Pure  961.8 10.5      
Sintered SiC   3.1      
SNBSN / Refrax   2.54      
Soft Steel (0.06% C)   7.87      
Southern Pine Wood   0.65      
Stainless 18Cr-8Ni   8.03      
Stainless 27Cr   7.47      
Stainless Steel, 304   8.03      
Steel, C1020, HR   7.85      
Steel, Cold-Drawn   7.83      
Steel, Tool   7.715      
Sugar Maple Wood   0.689      
Tantalum   16.6      
Thorium, Ind. melted   11.6      
TiC   4.94      
Tin Ore, cassiterite   6.695      
Tin, cast-hammered   7.352      
Titanium   4.5      
Titanium, B 120VCA   4.85      
Tungsten 3400 19.3 159 4.5 5.5
Tungsten   18.82      
Tungsten Carbide   15.7      
Uranium   18.74      
Uranium D38   18.97      
Vanadium Carbide   5.71      
Vegetable Oil   0.93      
Walnut   0.593      
Water, Distilled, 100 °C   0.9581      
Water, Distilled, 4 °C   0.99997      
Water, Distilled, Ice   0.897      
Water, Seawater   1.025      
WC / Tungsten Carbide   15.7      
White Oak Wood    0.64 - 0.72      
Zinc Ore, Blende   4.052      
Zinc, Cast   7.049      
Zirconia   5.75      
Zirconium   6.3798      
Zirconium Carbide   6.56      


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