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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.




SubstanceMelting
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, Al2O320403.932.26.51020
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, Pure660.12.64323823.52.67
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, BeO25502.852157.51020
Beryllium 1.8477   
Birch Wood 0.705   
Boron Carbide 2.5   
Borosilicate Glass 2.3   
Brass930.08.553   
Brick 1.8 - 2.4   
Bronze, ~11% Tin 8.1   
Bronze, Aluminum 7.702   
Bronze, Phosphor  8.8     
Carbon 44922.25   
Carbon Steel 7.84   
Carbon Tool Steel 7.82   
Carbon-Carbon Composite 1.65   
Ceramic 28702 - 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     
Copper1083.48.96  17.01.694
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)1758.96  3.61020
Ethyl Alcohol 0.802   
Gasoline 0.721   
German Silver 8.586   
Glass 2.6   
Glass, Pyrex     
Gold, 99.99%106319.3315.514.12.20
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   
Lead327.5 11.37     
Lead Glass 2.8   
Lead Ore, Galena 7.449   
Leather, common 0.945   
Limestone 2.0 - 2.9   
Magnesium, Pure650.01.74   
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 13308.688   
Mullite 2.82   
Neon 0 °C-248.6 (melt)
-246.1 (boil)
 8.99x10-4     
Nickel14558.6028813.36.9
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     
Silicon14122.341387.6105
Silicon carbide 3.2   
Silicon Nitride 3.28   
Silver, Cast-hammered 10.51   
Silver, Pure 961.810.5   
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   
Tungsten340019.31594.55.5
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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Webmaster:
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    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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