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1、材料导热系数总表优质资料(可以直接使用，可编辑 优质资料，欢迎下载）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/mK,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/(mK)的材料称为保温材料），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
2、h )卡 / 厘米秒 cal/(cms )瓦 / 米 KW/(mK)焦耳 / 厘米秒 J/(cms )英热单位 / 英尺时 Btu/(fth )12.7810 -31.161.1610 -20.6723601418.74.1872420.85982.3910 -3110 -20.57885.980.239100157.81.494.1310 -31.731.7310 -21材料名称导热系数 W/mK分类描述A356159A360113A38096ABSADC1296Ag银429Ag 99.9%411Air空气Al纯铝237硬铝1774.5%Cu铸铝1634.5%CuAl2O3蓝宝石45AlN1
3、50Au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80FR40.2GaAs46GaP77LTCC2HDPE0.33H2SO4（5-25）90%硫酸0.354HTCGI450-600HTCGII350-450ICE冰2.22Kovar17.3LDPE0.33Mg镁1480.6%MuNi纯镍90PA0.25Pb纯铅35PC0.2PMMAPP0.25PP+25玻纤PVC0.14软质PVC0.17硬质PS0.08PU0.25Rubber橡胶Si150Silica纯硅胶0.35中密度硅胶0.17低密度硅胶0
4、.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0.78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水重水0.559水蒸汽0.0235-0.025重水蒸汽0.072Wood木材横向木材0.38纵向落叶松木0.13温度0普通松木温度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20Zi112ZL1
5、02168ZL1041551070型铝合金2261050型铝合金209AL60636063型铝合金201AL60616061型铝合金155-160AL7075130泡沫塑料0.045环氧树脂普通粘土砖耐火砖1.06水泥沙0.91.28拌石水泥1.5瓷砖1.99石棉温度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硫化橡胶温度5
6、0镍铝锰合金32.7温度0镍铬合金12.3-171温度30纸温度12纸板0.14皮棉0.03温度4.1皮革矿渣棉温度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聚苯板0.04胶合板0.125温度0木工板
7、纤维素0.46温度0丝温度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LD9200.33固体聚丙烯9100.2225%玻纤聚丙烯12000.25
8、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 铝合金 PVC PA 松木导热系数 58.2 203 0.16 0.23 0
9、.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 595 3.265125 3.11一层中空玻璃 59595 2.22- 5125125 2.08Lhw-E中空玻璃 5125 1.71常用材料导热系数 -深圳智通电子提供Metal Material Conductivity Density 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
10、 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, 6061, Temper-T6 167 2.71E+03 Aluminum, 7075, Temper-O 130 2.80E+03 Aluminum, 7075, Temper-T6 130 2.80E+03 Aluminum, A356, Tem
11、per-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 Aluminum, Al-Si, Silumim, 86.5%Al-1%Cu 137 2.66E+03Aluminum, Pure 220 2.71E+03 Beryllium, Pure 175 1.85E+03 Brass, Red, 85%C
12、u-15%Zn 151 8.80E+03 Brass, Yellow, 65%Cu-35%Zn 119 8.80E+03Copper, Alloy, 11000 388 8.93E+03 Copper, Aluminum bronze, 95%Cu-5%Al 83 8.67E+03 Copper, Brass, 70%Cu-30%Zn 111 8.52E+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
13、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 13.8 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 8.36
14、E+03 Lead, Pure 35 1.14E+04 Magnesium, Mg-Al, Electrolytic, 8%Al-2%Zn 66 1.81E+03 Magnesium, Pure 171 1.75E+03Molybdenum 130 1.02E+04Nichrome, 80%Ni-20%Cr 12 8.40E+03 Nickel, 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 So
15、lder, 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%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 7.83
16、E+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 Steel, Chrome, Cr5% 40 7.83E+03Steel, Chrome-Nickel, 15%Cr-10%Ni 19 7.87E+03 Steel, Chrome-Nickel, 18%Cr-8%Ni 16.3 7.82E+03 Steel, C
17、hrome-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, Ni20% 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, Sh
18、eet 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, 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+04Zinc, Pure 1
19、12.2 7.14E+03Non-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% 21 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
20、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 0.154 520 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
21、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, Fireclay 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
22、 Data Cement, Mortar 1.16 No Data Cement, Portland0.29 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 0.043 160 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
23、 1.30E+03 No Data Diatomaceous earth 0.061 320 E-Glass Fiber 0.89 2.54E+03 Epoxy, High Fill 2.163 No DataEpoxy, No Fill 0.207 No DataFelt, Hair 0.036 265 Felt, Wool 0.052 330 Fiber insulating board 0.048 240FR4 Epoxy Glass, 1oz Copper 9.11 No Data FR4 Epoxy Glass, 2 oz Copper 17.71 No Data FR4 Epoxy
24、 Glass, 4oz Copper 35.15 No DataFR4 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 Glass, 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
25、 Data Mylar 0.19 No Data Nylon 0.242 1.10E+03 Phenolic, Paper based 0.277 No DataPhenolic, 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 Polyeth
26、ylene, 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 No Data Rock wool, 10lb/ft 3 0.04 160 Rock wool, Loosely packed 0.067 64 Rubber, Butyl 0.26 No Data Rubber, Hard 0.19 No Data Rubber, Silicone 0.19 No DataRubber, Sof
27、t 0.14 No Data Sawdust 0.059 No Data S-Glass Fiber 0.9 2.49E+03 Silica aerogel 0.024 140 Silicon, 99.9% 150 2.33E+03 Silicone grease 0.21 No DataStone, Granite 2.8 2.64E+03 Stone, Limestone 1.3 2.50E+03 Stone, Marble 2.5 2.60E+03 Stone, Sandstone 1.83 2.20E+03 Styrofoam 0.035 No Data Teflon 0.22 No
28、DataWood Shavings 0.059 No Data Wood, Cross Grain, Balsa, 8.8lb/ft 3 0.055 140 Wood, Cross Grain, Cypress0.097 460 Wood, Cross Grain, Fir 0.11 420 Wood, Cross Grain, Maple 0.166 540 Wood, Cross Grain, Oak 0.166 540 Wood, Cross Grain, White pine 0.112 430 Wood, Cross Grain, Yellow pine 0.147 640 Alum
29、inum-Oxide, Al 2 O 3 , 99.5% 32 No Data Aluminum-Oxide, Al 2 O 3 , 96% 21.5 No Data Aluminum-Oxide, Al 2 O 3 , 90% 12 No Data 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/mK,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
30、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/(mK)的材料称为保温材料），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/(mh )卡 / 厘米秒 cal/(cms )瓦 / 米 KW/(mK)焦耳 / 厘米秒 J/(cms )英热单位 / 英尺时 Btu/(fth )12.7810 -31.161.1610 -20.6723601418.74.1872420.85982.3910 -3110 -20.57885.980.239100157.81.494.1310 -31.731.7310 -21材料名称导热系数 W/mK分类描述A35
31、6159A360113A38096ABSADC1296Ag银429Ag 99.9%411Air空气Al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80FR40.2GaAs46GaP77LTCC2HDPE0.33H2SO4（5-25）90%硫酸0.354HTCGI450-600HTCGII350-450ICE冰2.22Kovar17.3LDPE0.33Mg镁1480.6%MuNi纯镍90PA0.25Pb纯铅35P
32、C0.2PMMAPP0.25PP+25玻纤PVC0.14软质PVC0.17硬质PS0.08PU0.25Rubber橡胶Si150Silica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0.78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水重水0.559水蒸汽0.0235-0.025重水蒸汽0.072W
33、ood木材横向木材0.38纵向落叶松木0.13温度0普通松木温度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209AL60636063型铝合金201AL60616061型铝合金155-160AL7075130泡沫塑料0.045环氧树脂普通粘土砖耐火砖1.06水泥沙0.91.28拌石水泥1.5瓷砖1.99石棉温度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1
34、7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硫化橡胶温度50镍铝锰合金32.7温度0镍铬合金12.3-171温度30纸温度12纸板0.14皮棉0.03温度4.1皮革矿渣棉温度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