Hia home owners warranty

Resources, Tools and Basic Information for Engineering and Design of Technical Applications! SearchCustom Search Thermal Conductivity of some common Materials and GasesThermal conductivity of some common materials and gases - insulation, aluminum, asphalt, brass, copper, steel and many more .. Sponsored Links Thermal conductivity is the quantity of heat transmitted through a unit thickness in a direction normal to a surface of unit area, due to a unit temperature gradient under steady state conditions.Thermal conductivity of some common materials and products are indicated in the table below.1 W/(m.K) = 1 W/(m.oC) = 0.85984 kcal/(hr.m.oC) = 0.5779 Btu/(ft.hr.oF)•Thermal Conductivity - k - W/(m.K)Material/SubstanceTemperature - oC25125225Acetone0.16Acetylene (gas)0.018Acrylic0.2Air, athmosphere (gas)0.024Alcohol0.17Aluminum250255250Aluminum Oxide30Ammonia (gas)0.022Antimony18.5Argon (gas)0.016Asbestos-cement board0.744Asbestos-cement sheets0.166Asbestos-cement2.07Asbestos, loosely packed0.15Asbestos mill board0.14Asphalt0.75Balsa wood 0.048Bitumen0.17Benzene0.16Beryllium218Bitumen0.17Blast furnace gas (gas)0.02Brass109Breeze block0.10 - 0.20Brick dense1.31Brickwork, common 0.6 -1.0 Brickwork, dense1.6Cadmium92Calcium silicate0.05Carbon1.7Carbon dioxide (gas)0.0146Cement, portland0.29Cement, mortar1.73Chalk0. 09Chlorine (gas)0.0081Chrome Nickel Steel (18% Cr, 8 % Ni)16.3Clay, dry to moist0.15 - 1.8Clay, saturated0.6 - 2.5Cobalt69Concrete, lightweight0.1 - 0.3 Concrete, medium0.4 - 0.7Concrete, dense1.0 - 1.8Concrete, stone1.7Home• Acoustics• Air Psychrometrics• Basics• Combustion• Drawing Tools• Dynamics• Economics• Electrical• Environment• Fluid Mechanics• Gas and Compressed Air• HVAC Systems• Hydraulics and Pneumatics• Insulation• Material Properties• Mathematics• Mechanics• Miscellaneous• Physiology• Piping Systems• Process Control• Pumps• Standards Organizations• Steam and Condensate• Thermodynamics• Water SystemsUnit Converter Free Industry MagazinesEnergy Efficiency & TechnologyMicrowaves & RFOffshore EngineerSponsored Links Free Industry MagazinesEnergy Efficiency & TechnologyMicrowaves & RFOffshore EngineerPage 1 of 4Thermal Conductivity of some common Materials and Gases10/26/2011http://www.engineeringtoolbox.com/thermal-conductivity-d_429.html
Constantan22Copper401400398Corian (ceramic filled)1.06Corkboard0.043Cork, regranulated0.044Cork0.07Cotton wool 0.029Carbon Steel545147Cotton Wool insulation0.029Diatomaceous earth (Sil-o-cel)0.06Diatomite0.12Earth, dry1.5Engine Oil0.15Ether0.14Ethylene (gas)0.017Epoxy0.35Ethylene glycol0.25Felt insulation0.04Fiberglass0.04Fiber insulating board0.048Fiber hardboard0.2Fireclay brick 500oC1.4Foam glass0.045Freon 12 (gas)0.073Freon (liquid)0.07Gasoline0.15Glass1.05Glass, Pearls, dry0.18Glass, Pearls, saturated0.76Glass, window0.96Glass, wool Insulation0.04Glycerol0.28Gold310312310Granite1.7 - 4.0Gravel0.7Gypsum or plaster board0.17Hairfelt0.05Hardboard high density0.15Hardwoods (oak, maple..)0.16Helium (gas)0.142Hydrochlor acid (gas)0.013Hydrogen (gas)0.168Hydrogen sulfide (gas)0.013Ice (0oC, 32oF)2.18Insulation materials0.035 - 0.16Iridium147Iron806860Iron, wrought59Iron, cast55Kapok insulation0.034Kerosene0.15Krypton (gas)0.0088Lead Pb35Leather, dry0.14Limestone1.26 - 1.33Magnesia insulation (85%)0.07Magnesite4.15Magnesium156Marble2.08 - 2.94Mercury8Methane (gas)0.030Methanol0.21Mica0.71Mineral wool insulation materials, wool blankets ..0.04Molybdenum138Monel26Neon (gas)0.046Nickel91Nitrogen (gas) 0.024Engineering Standards Engineering Standards Page 2 of 4Thermal Conductivity of some common Materials and Gases10/26/2011http://www.engineeringtoolbox.com/thermal-conductivity-d_429.html