铝合金导热系数

常用材料导热系数
晨怡热管/news/62/2006-10-2 2:06:06日期:2006-3-24 8:20:17 来源:来自网络查看:[大中小] 作者：不详热度：常用材料导热系数 --深圳智通电子有限公司提供
Metal
Conductivity（电导率）Density（密度）Material
W/m-C kg/m 3 Aluminum, 2024,
121 2.80E+03 Temper-T3
Aluminum, 2024,
143 2.80E+03 Temper-T351
Aluminum, 2024,
121 2.80E+03 Temper-T4
Aluminum, 5052,
138 2.68E+03 Temper-H32
Aluminum, 5052,
144 2.69E+03 Temper-O
Aluminum, 6061,
180 2.71E+03 Temper-O
Aluminum, 6061,
154 2.71E+03 Temper-T4
Aluminum, 6061,
167 2.71E+03 Temper-T6
Aluminum, 7075,
130 2.80E+03 Temper-O
Aluminum, 7075,
130 2.80E+03 Temper-T6
Aluminum, A356,
128 2.76E+03 Temper-T6
Aluminum, Al-Cu,
164 2.79E+03 Duralumin, 95%Al-5%Cu
Aluminum, Al-Mg-Si,
177 2.71E+03 97%Al-1%Mg-1%Si-1%Mn
Aluminum, Al-Si,
161 2.63E+03 Alusil, 80%Al-20%Si
Aluminum, Al-Si,
137 2.66E+03 Silumim, 86.5%Al-1%Cu
Aluminum, Pure 220 2.71E+03
Beryllium, Pure 175 1.85E+03
151 8.80E+03 Brass, Red, 85%Cu-15%Zn
Brass, Yellow,
119 8.80E+03 65%Cu-35%Zn
Copper, Alloy, 11000 388 8.93E+03
Copper, Aluminum
83 8.67E+03 bronze, 95%Cu-5%Al
Copper, Brass,
111 8.52E+03 70%Cu-30%Zn
Copper, Bronze,
26 8.67E+03 75%Cu-25%Sn
Copper, Constantan,
22.7 8.92E+03 60%Cu-40%Ni
Copper, Drawn Wire 287 8.80E+03
Copper, German silver,
24.9 8.62E+03 62%Cu-15%Ni-22%Zn
Copper, Pure 386 8.95E+03 Copper, Red brass,
61 8.71E+03 85%Cu-9%Sn-6%Zn
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,
16.3 8.36E+03 54%Fe-29%Ni-17%Co
Lead, Pure 35 1.14E+04 Magnesium, Mg-Al,
66 1.81E+03 Electrolytic,
8%Al-2%Zn
Magnesium, Pure 171 1.75E+03 Molybdenum 130 1.02E+04 Nichrome, 80%Ni-20%Cr 12 8.40E+03 Nickel, Ni-Cr,
12.6 8.31E+03 80%Ni-20%Cr
Nickel, Ni-Cr,
17 8.67E+03 90%Ni-10%Cr
Nickel, Pure 99 8.91E+03 Silver, Pure 418 1.05E+04
Solder, Hard,
57 1.50E+04 80%Au-20%Sn
Solder, Hard,
88 1.50E+04 88%Au-12%Ge
Solder, Hard,
94 1.57E+04 95%Au-3%Si
Solder, Soft, 50 9.29E+03
60%Sn-40%Pb
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 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
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% 21 3.80E+03 Alumina, Pure 37 3.90E+03 Asbestos,
0.166 No Data Asbestos-sheets
Asbestos, Cement 2.08 No Data
Asbestos,
0.74 No Data Cement-boards
Asbestos, Corregated,
0.087 No Data 4plies/in
Asbestos, Felt, 20
0.078 No Data lam/in
Asbestos, Felt, 40
0.057 No Data lam/in
Asbestos,
0.154 520 Loosely-packed
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
18.5 No Data brick
Brick, Chrome brick 2.32 3.00E+03 Brick, Diatomaceous
0.24 No Data earth
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
1.37
2.10E+03 mix
Cork,
0.043 160 Corkboard,10lb/ft 3
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 0.052 330
Fiber insulating board 0.048 240
FR4 Epoxy Glass, 1oz
9.11 No Data Copper
FR4 Epoxy Glass, 2 oz
17.71 No Data Copper
FR4 Epoxy Glass, 4oz
35.15 No Data Copper
FR4 Epoxy Glass, no
0.294 1.90E+03 Copper
Glass, Borosilicate 1.09 2.20E+03
Glass, Pyrex 1.02 2.23E+03
Glass, Window 0.78 2.70E+03
0.038 24 Glass, Wool, 1.5lb/ft 3
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
0.5 950 density
Polyethylene, Low
0.35 920 density
Polyethylene, Medium
0.4 930 density
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
0.067 64
packed
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
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,
0.055 140
Balsa, 8.8lb/ft 3
Wood, Cross Grain,
0.097 460
Cypress
Wood, Cross Grain, Fir 0.11 420
0.166 540
Wood, Cross Grain, Maple
Wood, Cross Grain, Oak 0.166 540
Wood, Cross Grain, White
0.112 430
pine
Wood, Cross Grain,
0.147 640
Yellow pine
Aluminum-Oxide, Al 2 O
32 No Data
3 , 99.5%
Aluminum-Oxide, Al 2 O
21.5 No Data
3 , 96%
Aluminum-Oxide, Al 2 O
12 No Data
3 , 90%
ADC12导热系数：96.2(W/m.K) 。

ADC12与ADC10比较，含硅量多，所以适合于压铸复杂的铸件。

它的强度高，耐压性特别好，热脆性小。

纯铝热导率:237 W/(m·K)
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但是如果是其它铝合金，则热导率远小于该值，一般在几十到一百多（W/(m·K)），以部分铸铝为例：
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ZL101 151
ZL101A 150
ZL102 155
ZL104 147
ZL105 159
ZL106 100.5
ZL108 117.2
ZL109 117.2
ZL111 —
ZL201 113
ZL201A 105
Zl202 134
ZL203。