材料导热系数总表比较齐全

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、、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(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(m·K)的材料称为保温材料），而把导热系数在瓦/米摄氏度以下的材料称为高效保温材料。

常用材料的导热系数表

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203

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

双层中空玻璃5×9×5

5×12×5

一层中空玻璃5×9×5×9×5

←-- 5×12×5×12×5

Lhw-E中空玻璃5×12×5

常用材料导热系数 --深圳智通电子有限公司提供Metal

Material Conductivity Density W/m-C kg/m 3

Aluminum, 2024, Temper-T3 121 +03 Aluminum, 2024, Temper-T351 143 +03 Aluminum, 2024, Temper-T4 121 +03 Aluminum, 5052, Temper-H32 138 +03 Aluminum, 5052, Temper-O 144 +03 Aluminum, 6061, Temper-O 180 +03 Aluminum, 6061, Temper-T4 154 +03 Aluminum, 6061, Temper-T6 167 +03 Aluminum, 7075, Temper-O 130 +03 Aluminum, 7075, Temper-T6 130 +03 Aluminum, A356, Temper-T6 128 +03 Aluminum, Al-Cu, Duralumin, 95%Al-5%Cu 164 +03 Aluminum, Al-Mg-Si, 97%Al-1%Mg-1%Si-1%Mn 177 +03 Aluminum, Al-Si, Alusil, 80%Al-20%Si 161 +03 Aluminum, Al-Si, Silumim, %Al-1%Cu 137 +03 Aluminum, Pure 220 +03 Beryllium, Pure 175 +03 Brass, Red, 85%Cu-15%Zn 151 +03 Brass, Yellow, 65%Cu-35%Zn 119 +03 Copper, Alloy, 11000 388 +03 Copper, Aluminum bronze, 95%Cu-5%Al 83 +03 Copper, Brass, 70%Cu-30%Zn 111 +03 Copper, Bronze, 75%Cu-25%Sn 26 +03 Copper, Constantan, 60%Cu-40%Ni +03 Copper, Drawn Wire 287 +03 Copper, German silver, 62%Cu-15%Ni-22%Zn +03 Copper, Pure 386 +03

Copper, Red brass, 85%Cu-9%Sn-6%Zn 61 +03 Gold, Pure 318 +04 Invar, 64%Fe-35%Ni +03 Iron, Cast 55 +03 Iron, Pure +03 Iron, Wrought, %C 59 +03 Kovar, 54%Fe-29%Ni-17%Co +03 Lead, Pure 35 +04 Magnesium, Mg-Al, Electrolytic, 8%Al-2%Zn 66 +03 Magnesium, Pure 171 +03 Molybdenum 130 +04 Nichrome, 80%Ni-20%Cr 12 +03 Nickel, Ni-Cr, 80%Ni-20%Cr +03 Nickel, Ni-Cr, 90%Ni-10%Cr 17 +03 Nickel, Pure 99 +03 Silver, Pure 418 +04 Solder, Hard, 80%Au-20%Sn 57 +04 Solder, Hard, 88%Au-12%Ge 88 +04 Solder, Hard, 95%Au-3%Si 94 +04 Solder, Soft, 60%Sn-40%Pb 50 +03 Solder, Soft, 63%Sn-37%Pb 51 +03 Solder, Soft, %%Ag-5%In 39 +04 Solder, Soft, 95%Pb-5%Sn +04 Steel, Carbon, %C 54 +03 Steel, Carbon, %C 43 +03 Steel, Carbon, %C 36 +03 Steel, Chrome, Cr0% 73 +03 Steel, Chrome, Cr1% 61 +03 Steel, Chrome, Cr20% 22 +03 Steel, Chrome, Cr5% 40 +03 Steel, Chrome-Nickel, 15%Cr-10%Ni 19 +03 Steel, Chrome-Nickel, 18%Cr-8%Ni +03 Steel, Chrome-Nickel, 20%Cr-15%Ni +03 Steel, Chrome-Nickel, 25%Cr-20%Ni +03 Steel, Invar, 36%Ni +03 Steel, Nickel, Ni0% 73 +03 Steel, Nickel, Ni20% 19 +03 Steel, Nickel, Ni40% 10 +03 Steel, Nickel, Ni80% 35 +03 Steel, SAE 1010 59 +03 Steel, SAE 1010, Sheet +03 Steel, Stainless, 316 +03 Steel, Tungsten, W0% 73 +03 Steel, Tungsten, W1% 66 +03