Thermal Conductivity for some common Materials

Thermal Conductivity - k -(W/m.K)

Material

Temperature (oC)

25  125 225
Acetone 0.16    
Acrylic 0.2     
Air 0.024    
Aluminum 250 255 250
Ammonia 0.022    
Antimony 18.5    
Argon 0.016    
Asphalt 1.26    
Balsa 0.048    
Bitumen 0.17    
Benzene 0.16    
Beryllium 218    
Brass 109    
Brick dense 1.6    
Brick work 0.5    
Cadmium 92    
Carbon 1.7    
Cement 1.01    
Cobalt  69    
Concrete 1.05    
Constantan 22    
Copper 401 400 398
Carbon Steel 54 51 47
Cotton Wool insulation 0.029    
Ether 0.14    
Epoxy 0.35    
Felt insulation 0.04    
Glass 1.05    
Glass Wool insulation 0.04    
Glycerol 0.28    
Gold 310 312 310
Helium 0.142    
Hydrogen 0.168    
Ice 2.18    
Iridium 147    
Iron 80 68 60
Iron, wrought 59    
Iron, cast 55    
Kapok insulation 0.034    
Kerosene 0.15    
Lead Pb 35    
Limestone 1.1    
Magnesia insulation 0.07    
Magnesium 156    
Mercury 8    
Methane 0.030    
Methanol 0.21    
Mica 0.75    
Molybdenum 138    
Monel 26    
Nickel 91    
Nitrogen 0.024    
Nylon 6 0.25    
Oil, machine 0.15    
Oxygen 0.024    
Paper 0.05    
Paraffin Wax 0.25    
Platinum 70 71 72
Plywood 0.13    
Polyethylene HD 0.5    
Polystyrene expanded 0.03    
Porcelain 1.05    
PTFE 0.25    
PVC 0.19    
Rock Wool insulation 0.045    
Sand 0.06    
Saw Dust 0.06    
Silver 429    
Sodium 84    
Steel 46    
Stainless Steel 16 17 19
Straw insulation 0.09    
Tin Sn 67    
Zinc Zn 116    
Vinyl ester 0.25    
Water 0.58    
Water, vapor (steam)   0.016  
Wood 0.13