材料导热系数总表(比较齐全)34997

1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流材料导热系数总表(比较齐全)34997.精品文档.定义：导热系数是指在稳定传热条件下，1m厚的材料，两侧表面的温差为1度（K,°C）,在1小时内，通过1平方米面积传递的热量，单位为瓦/米·度（W/m·K,此处的K可用°C代替）。导热系数与材料的组成结构、密度、含水率、温度等因素有关。非晶体结构、密度较低的材料，导热系数较小。材料的含水率、温度较低时，导热系数较小。通常把导热系数较低的材料称为保温材料(我国国家标准规定，凡平均温度不高于350时导热系数不大于0.12W/(m·K)的材料称为保温材

2、料），而把导热系数在0.05瓦/米摄氏度以下的材料称为高效保温材料。千卡/米·时· kcal/(m·h· )卡 / 厘米·秒· cal/(cm·s· )瓦 / 米· KW/(m·K)焦耳 / 厘米·秒· J/(cm·s· )英热单位 / 英尺·时· Btu/(ft·h· )12.78×10 -31.161.16×10 -20.6723601418.74.1872420.85982.39×

3、10 -3110 -20.57885.980.239100157.81.494.13×10 -31.731.73×10 -21材料名称导热系数 W/mK分类描述A356159A360113A38096ABS0.25-0.9ADC1296Ag银429Ag 99.9%411Air空气0.01-0.04Al纯铝237硬铝1774.5%Cu铸铝1634.5%CuAl2O3蓝宝石45AlN150Au金315-317Cu纯铜398-401黄铜70-10930%Zn青铜26-3225%Sn康铜20.9温度30Diamond钻石2300Fe铁80FR40.2GaAs46GaP77LTCC2

4、HDPE0.33H2SO4（5-25）0.47-0.590%硫酸0.354HTCGI450-600HTCGII350-450ICE冰2.22Kovar17.3LDPE0.33Mg镁1480.6%MuNi纯镍90PA0.25Pb纯铅35PC0.2PMMA0.14-0.2PP0.21-0.260.25PP+25玻纤PVC0.14软质PVC0.17硬质PS0.08PU0.25Rubber橡胶0.19-0.26Si150Silica纯硅胶0.35中密度硅胶0.17低密度硅胶0.12SiO27.6玻璃0.12玻璃钢0.4普通冕玻璃1温度20石英玻璃1.46温度4燧石玻璃0.795温度32重燧石玻璃0.7

5、8温度12.5精制玻璃0.9温度12SiC490Sn纯锡64-67Snow新下的雪0.1填实了的雪0.21STCGI750STCGII600-700Steel36-540.5%C殷钢11温度30Ti纯钛14.63Water水0.5-0.7重水0.559水蒸汽0.0235-0.025重水蒸汽0.072Wood木材0.14-0.17横向木材0.38纵向落叶松木0.13温度0普通松木0.08-0.11温度45杨木0.1温度100白桦木0.15温度30橡木0.17温度20雪松0.095温度0柏木0.1温度20Zi112ZL102168ZL1041551070型铝合金2261050型铝合金209AL60

6、636063型铝合金201AL60616061型铝合金155-160AL7075130泡沫塑料0.045环氧树脂0.2-2.2普通粘土砖0.7-0.8耐火砖1.06水泥沙0.91.28拌石水泥1.5瓷砖1.99石棉0.15-0.37温度0玄武岩2.18花岗岩2.63.6石蜡0.12蜡0.04石蜡油0.123石油0.14沥青0.699沥青0.7纸板0.060.14铸铁4290不锈钢17铸铝138147导热硅0.8-3亚麻布0.09温度50木屑0.05温度50海砂0.03温度20研碎软木0.04温度20压缩软木0.07温度20聚苯乙烯0.08温度100硫化橡胶0.22-0.29温度50镍铝锰合金3

7、2.7温度0镍铬合金12.3-171温度30纸0.06-0.13温度12纸板0.14皮棉0.03温度4.1皮革0.18-0.19矿渣棉0.05-0.14温度0毡0.04瓷1.05汽油0.11温度12变压器油0.128柴油机燃油0.12“天然气”油0.14温度12甘油0.276温度0煤油0.12温度100蓖麻油0.18温度500橄榄油0.165温度0凡士林0.184温度12玄武岩2.177花岗石2.683.35丙酮0.177苯0.139已烷0.152温度0二氯乙烷0.147醋酸18硝基苯0.159二硫化碳0.144甲醇0.207四氯化碳0.106三氯甲烷0.121氨气0.022硫化氢0.013聚

8、苯板0.04胶合板0.125温度0木工板0.1-0.2纤维素0.46温度0丝0.04-0.05温度20炉渣0.84温度50硬质胶0.18温度50常用材料的导热系数表用途材料名称密度(kg/m3)导热系数(W/m.K)窗框铜8900380硅合金铝2800160黄铜8400120铁780050不锈钢790017PVC13900.17硬木7000.18建筑构件软木5000.13UP树脂玻璃钢19000.4玻璃碳酸钙玻璃25001.0有机玻璃PMMA11800.18聚碳酸脂12000.2热断桥聚冼氨尼龙11500.256.6%尼龙,25%玻璃纤维14500.3高密度聚乙烯HD9800.5低密度聚乙烯L

9、D9200.33固体聚丙烯9100.2225%玻纤聚丙烯12000.25聚亚氨脂树脂PU12000.25刚性PVC13900.17防雨氯丁橡胶PCP12400.23密封条三元乙丙EPDM11500.25纯硅胶12000.35柔性PVC12000.14聚脂马海毛0.14柔性橡胶泡末60-800.05密封剂刚性聚氨脂PU12000.25固体/热融异丁烯12000.24聚硫胶17000.4纯硅胶12000.35聚异丁烯9300.2聚脂树脂14000.19硅胶干燥剂7200.13分子筛650-7500.1低密度硅胶泡末7500.12中密度硅胶泡末8200.17表2 窗体材料导热系数窗框材料 钢材 铝合

10、金 PVC PA 松木导热系数 58.2 203 0.16 0.23 0.17表 3 不同玻璃的传热系数玻璃类型 玻璃结构(m) 传热系数K-w/(m2-k)单层玻璃6.2双层中空玻璃 5×9×5 3.265×12×5 3.11一层中空玻璃 5×9×5×9×5 2.22- 5×12×5×12×5 2.08Lhw-E中空玻璃 5×12×5 1.71常用材料导热系数 -深圳智通电子有限公司提供Metal Material Conductivity Densit

11、y W/m-C kg/m 3 Aluminum, 2024, Temper-T3 121 2.80E+03 Aluminum, 2024, Temper-T351 143 2.80E+03 Aluminum, 2024, Temper-T4 121 2.80E+03 Aluminum, 5052, Temper-H32 138 2.68E+03 Aluminum, 5052, Temper-O 144 2.69E+03 Aluminum, 6061, Temper-O 180 2.71E+03 Aluminum, 6061, Temper-T4 154 2.71E+03 Aluminum, 6

12、061, Temper-T6 167 2.71E+03 Aluminum, 7075, Temper-O 130 2.80E+03 Aluminum, 7075, Temper-T6 130 2.80E+03 Aluminum, A356, Temper-T6 128 2.76E+03 Aluminum, Al-Cu, Duralumin, 95%Al-5%Cu 164 2.79E+03 Aluminum, Al-Mg-Si, 97%Al-1%Mg-1%Si-1%Mn 177 2.71E+03 Aluminum, Al-Si, Alusil, 80%Al-20%Si 161 2.63E+03

13、Aluminum, Al-Si, Silumim, 86.5%Al-1%Cu 137 2.66E+03 Aluminum, Pure 220 2.71E+03 Beryllium, Pure 175 1.85E+03 Brass, Red, 85%Cu-15%Zn 151 8.80E+03 Brass, Yellow, 65%Cu-35%Zn 119 8.80E+03 Copper, Alloy, 11000 388 8.93E+03 Copper, Aluminum bronze, 95%Cu-5%Al 83 8.67E+03 Copper, Brass, 70%Cu-30%Zn 111 8

14、.52E+03 Copper, Bronze, 75%Cu-25%Sn 26 8.67E+03 Copper, Constantan, 60%Cu-40%Ni 22.7 8.92E+03 Copper, Drawn Wire 287 8.80E+03 Copper, German silver, 62%Cu-15%Ni-22%Zn 24.9 8.62E+03 Copper, Pure 386 8.95E+03 Copper, Red brass, 85%Cu-9%Sn-6%Zn 61 8.71E+03 Gold, Pure 318 1.89E+04 Invar, 64%Fe-35%Ni 13.

15、8 8.13E+03 Iron, Cast 55 7.92E+03 Iron, Pure 71.8 7.90E+03 Iron, Wrought, 0.5%C 59 7.85E+03 Kovar, 54%Fe-29%Ni-17%Co 16.3 8.36E+03 Lead, Pure 35 1.14E+04 Magnesium, Mg-Al, Electrolytic, 8%Al-2%Zn 66 1.81E+03 Magnesium, Pure 171 1.75E+03 Molybdenum 130 1.02E+04 Nichrome, 80%Ni-20%Cr 12 8.40E+03 Nicke

16、l, Ni-Cr, 80%Ni-20%Cr 12.6 8.31E+03 Nickel, Ni-Cr, 90%Ni-10%Cr 17 8.67E+03 Nickel, Pure 99 8.91E+03 Silver, Pure 418 1.05E+04 Solder, Hard, 80%Au-20%Sn 57 1.50E+04 Solder, Hard, 88%Au-12%Ge 88 1.50E+04 Solder, Hard, 95%Au-3%Si 94 1.57E+04 Solder, Soft, 60%Sn-40%Pb 50 9.29E+03 Solder, Soft, 63%Sn-37%

17、Pb 51 9.25E+03 Solder, Soft, 92.5%Pb-2.5%Ag-5%In 39 1.20E+04 Solder, Soft, 95%Pb-5%Sn 32.3 1.10E+04 Steel, Carbon, 0.5%C 54 7.83E+03 Steel, Carbon, 1.0%C 43 7.80E+03 Steel, Carbon, 1.5%C 36 7.75E+03 Steel, Chrome, Cr0% 73 7.90E+03 Steel, Chrome, Cr1% 61 7.87E+03 Steel, Chrome, Cr20% 22 7.69E+03 Stee

18、l, Chrome, Cr5% 40 7.83E+03 Steel, Chrome-Nickel, 15%Cr-10%Ni 19 7.87E+03 Steel, Chrome-Nickel, 18%Cr-8%Ni 16.3 7.82E+03 Steel, Chrome-Nickel, 20%Cr-15%Ni 15.1 7.83E+03 Steel, Chrome-Nickel, 25%Cr-20%Ni 12.8 7.87E+03 Steel, Invar, 36%Ni 10.7 8.14E+03 Steel, Nickel, Ni0% 73 7.90E+03 Steel, Nickel, Ni

19、20% 19 7.93E+03 Steel, Nickel, Ni40% 10 8.17E+03 Steel, Nickel, Ni80% 35 8.62E+03 Steel, SAE 1010 59 7.83E+03 Steel, SAE 1010, Sheet 63.9 7.83E+03 Steel, Stainless, 316 16.26 8.03E+03 Steel, Tungsten, W0% 73 7.90E+03 Steel, Tungsten, W1% 66 7.91E+03 Steel, Tungsten, W10% 48 8.31E+03 Steel, Tungsten,

20、 W5% 54 8.07E+03 Tin, Cast, Hammered 62.5 7.35E+03 Tin, Pure 64 7.30E+03 Titanium 15.6 4.51E+03 Tungsten 180 1.94E+04 Zinc, Pure 112.2 7.14E+03 Non-Metal Material Conductivity Density W/m-C kg/m3 ABS-Plastic 0.25 1.01E+03 Acetals 0.3 1.42E+03 Acrylic 0.06 1.19E+03 Alkyds 0.85 2.00E+03 Alumina, 96% 2

21、1 3.80E+03 Alumina, Pure 37 3.90E+03 Asbestos, Asbestos-sheets 0.166 No Data Asbestos, Cement 2.08 No Data Asbestos, Cement-boards 0.74 No Data Asbestos, Corregated, 4plies/in 0.087 No Data Asbestos, Felt, 20 lam/in 0.078 No Data Asbestos, Felt, 40 lam/in 0.057 No Data Asbestos, Loosely-packed 0.154

22、 520 Asphalt 0.75 No Data Bakelite 0.19 No Data Balsam wool 2.2lb/ft 3 0.04 35 Beryllia, 99.5% 197.3 No Data Brick, Building brick 0.69 1.60E+03 Brick, Carborundum brick 18.5 No Data Brick, Chrome brick 2.32 3.00E+03 Brick, Diatomaceous earth 0.24 No Data Brick, Face brick 1.32 2.00E+03 Brick, Firec

23、lay 1.04 2.00E+03 Brick, Magnesite 3.81 No Data Carbon 6.92 No Data Cardboard, Celotex 0.048 No Data Cardboard, Corrugated 0.064 No Data Cement, Mortar 1.16 No Data Cement, Portland 0.29 1.50E+03 Concrete, Cinder 0.76 No Data Concrete, Stone 1-2-4 mix 1.37 2.10E+03 Cork, Corkboard,10lb/ft 3 0.043 16

24、0 Cork, Ground 0.043 150 Cork, Regranulated 0.045 80 Diamond, Film 700 3.50E+03 Diamond, Type IIA 2.00E+03 No Data Diamond, Type IIB 1.30E+03 No Data Diatomaceous earth 0.061 320 E-Glass Fiber 0.89 2.54E+03 Epoxy, High Fill 2.163 No Data Epoxy, No Fill 0.207 No Data Felt, Hair 0.036 265 Felt, Wool 0

25、.052 330 Fiber insulating board 0.048 240 FR4 Epoxy Glass, 1oz Copper 9.11 No Data FR4 Epoxy Glass, 2 oz Copper 17.71 No Data FR4 Epoxy Glass, 4oz Copper 35.15 No Data FR4 Epoxy Glass, no Copper 0.294 1.90E+03 Glass, Borosilicate 1.09 2.20E+03 Glass, Pyrex 1.02 2.23E+03 Glass, Window 0.78 2.70E+03 G

26、lass, Wool, 1.5lb/ft 3 0.038 24 Insulex, dry 0.064 No Data Kapok 0.035 No Data Kapton 0.156 No Data Magnesia, 85% 0.067 270 Mica 0.71 No Data Mylar 0.19 No Data Nylon 0.242 1.10E+03 Phenolic, Paper based 0.277 No Data Phenolic, Plain 0.519 No Data Plaster, Gypsum 0.48 1.44E+03 Plaster, Metal lath 0.47 No Data Plaster, Wood lath 0.28 No Data Plexiglass 0.19 No Data Polycarbonate 0.19 1.20E+03 Polyethylene, High density 0.5 950 Polyethylene, Low density 0.35 920 Polyethylene, Medium density 0.4 930 Polystyrene 0.106 No Data Polyvinyl chloride 0.16 No Data Pyrex 1.26