常用材料导热系数 （对大家选择材料有帮助）
常用材料导热系数金属
材料 热导率(W/m-C) 密度(kg/m 3)
Aluminum, 2024, Temper-T3 121 2.80E+03 典型的铝合金
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, 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, 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
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 铜合金
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
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 纯金也不错
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 8.36E+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
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 纯银很强....
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%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
Steel, Chrome, Cr5% 40 7.83E+03
Steel, Chrome-Nickel, 15%Cr-10%Ni 19 7.87E+03 好像是不锈钢,导热性不理想
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, 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, 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, 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
非金属
材料 热导率(W/m-C) 密度(kg/m 3)
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 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 铍....太稀有了......
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, 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 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 0.043 160
Cork, Ground 0.043 150
Cork, Regranulated 0.045 80
Diamond, Film 700 3.50E+03 钻石啊!!!!!谁做一个钻石手电!!!!
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 0.052 330
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
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 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 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 Data
Rubber, Soft 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 硅,硅脂散热还是有根据的
Silicone grease 0.21 No Data
Stone, 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 Data
Wood Shavings 0.059 No Data
Wood, Cross Grain, Balsa, 8.8lb/ft 3 0.055 140
Wood, Cross Grain, Cypress 0.097 460
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
Aluminum-Oxide, Al 2 O 3 , 99.5% 32 No Data 氧化铝.....铝质手电氧化了导热性也不好
Aluminum-Oxide, Al 2 O 3 , 96% 21.5 No Data
Aluminum-Oxide, Al 2 O 3 , 90% 12 No Data 学习:lol 再解释一下E文太多啦！顶一个。 俺们用的含银硅脂！！导热性能一流啊！！ 看来要想法作个银的.呵呵. 和铝、铜相比，不锈钢和钛简直是热的绝缘体。
纯硅的导热性还行，硅脂嘛，只有纯硅千分一的导热率。
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