尺寸对照表
我司线材规格参数主要采用国际单位制,规格一般使用的单位为:毫米(mm),下表为美国线规(AWG) 及英国线规(SWG)对照表,可供参考。
线号 Wire Gauge |
标称直径 Nominal Dia. |
截面积 Conductor Sectional Area |
线号 Wire Gauge |
标称直径 Nominal Dia. |
截面积 Conductor Sectional Area |
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AWG | SWG | mm | mil | sq.mm | sq.mil | AWG | SWG | mm | mil | sq.mm | sq.mil |
20 | 21 | 0.813 | 32 | 0.5189 | 804.2 | 35 | - | 0.142 | 5.6 | 0.01589 | 24.63 |
21 | 0.724 | 28.5 | 0.4116 | 637.9 | 39 | 0.132 | 5.2 | 0.0137 | 21.24 | ||
- | 22 | 0.711 | 28 | 0.3973 | 615.8 | 36 | - | 0.127 | 5 | 0.01267 | 19.64 |
22 | - | 0.643 | 25.3 | 0.3243 | 520.7 | - | 40 | 0.122 | 4.8 | 0.01168 | 18.1 |
- | 23 | 0.61 | 24 | 0.2919 | 452.4 | 37 | - | 0.114 | 4.5 | 0.01026 | 15.9 |
23 | - | 0.574 | 22.6 | 0.2589 | 401.2 | - | 41 | 0.112 | 4.4 | 0.00981 | 15.21 |
- | 24 | 0.559 | 22 | 0.2452 | 380.1 | 38 | 42 | 0.102 | 4 | 0.00811 | 12.57 |
24 | - | 0.511 | 20.1 | 0.2047 | 317.3 | - | 43 | 0.0914 | 3.6 | 0.006567 | 10.18 |
- | 25 | 0.508 | 20 | 0.2027 | 314.2 | 39 | - | 0.0889 | 3.5 | 0.006207 | 9.621 |
- | 26 | 0.457 | 18 | 0.1642 | 254.5 | - | 44 | 0.0813 | 3.2 | 0.005189 | 8.042 |
25 | - | 0.455 | 17.9 | 0.1624 | 251.7 | 40 | - | 0.0787 | 3.1 | 0.004869 | 7.548 |
27 | 0.417 | 16.4 | 0.1363 | 211.2 | 41 | 45 | 0.0711 | 2.8 | 0.003973 | 6.158 | |
26 | - | 0.404 | 15.9 | 0.1281 | 198.6 | 42 | - | 0.0635 | 2.5 | 0.003167 | 4.909 |
- | 28 | 0.376 | 14.8 | 0.111 | 172 | - | 46 | 0.061 | 2.4 | 0.002919 | 4.524 |
27 | - | 0.361 | 14.2 | 0.1022 | 158.4 | 43 | - | 0.0599 | 2.2 | 0.002452 | 3.801 |
- | 29 | 0.345 | 13.6 | 0.09375 | 145.3 | 44 | 47 | 0.0508 | 2 | 0.002027 | 3.142 |
28 | - | 0.32 | 12.6 | 0.08046 | 124.7 | 45 | - | 0.0447 | 1.76 | 0.001569 | 2.427 |
- | 30 | 0.315 | 12.4 | 0.07794 | 120.8 | - | 48 | 0.0406 | 1.6 | 0.001297 | 2.011 |
- | 31 | 0.295 | 11.6 | 0.0682 | 105.7 | 46 | - | 0.0399 | 1.57 | 0.001249 | 1.932 |
29 | * | 0.287 | 11.3 | 0.06471 | 100.3 | 47 | - | 0.0356 | 1.4 | 0.0009931 | 1.539 |
- | 32 | 0.274 | 10.8 | 0.05911 | 91.61 | 48 | - | 0.0315 | 1.24 | 0.0007791 | 1.207 |
30 | 33 | 0.254 | 10 | 0.05067 | 78.54 | - | 49 | 0.0305 | 1.2 | 0.0007296 | 1.131 |
- | 34 | 0.234 | 9.2 | 0.04289 | 66.48 | 49 | - | 0.0282 | 1.11 | 0.0006241 | 0.966 |
31 | 0.226 | 8.9 | 0.04014 | 62.21 | - | 50 | 0.0254 | 1 | 0.0005067 | 0.7854 | |
- | 35 | 0.213 | 8.4 | 0.03576 | 55.42 | 50 | - | 0.0252 | 0.99 | 0.0004968 | 0.7697 |
32 | - | 0.203 | 8 | 0.03243 | 50.27 | 51 | - | 0.0224 | 0.88 | 0.0003941 | 0.6082 |
- | 36 | 0.193 | 7.6 | 0.02927 | 45.36 | 52 | 0.0198 | 0.78 | 0.0003079 | 0.4778 | |
33 | - | 0.18 | 7.1 | 0.02554 | 39.59 | 53 | 0.0178 | 0.70 | 0.0002488 | 0.3848 | |
- | 37 | 0.173 | 6.8 | 0.02343 | 36.32 | 54 | 0.0157 | 0.62 | 0.0001936 | 0.3019 | |
34 | 0.16 | 6.3 | 0.02011 | 31.17 | 55 | 0.0140 | 0.55 | 0.0001539 | 0.2376 | ||
- | 38 | 0.152 | 6 | 0.01824 | 28.27 | 56 | 0.0124 | 0.49 | 0.0001208 | 0.1886 |