三、设计参数
|
线径
mm
|
截面积
mm2
|
每米表面积cm2/m
|
Cr20Ni80
|
Cr15Ni60
|
Cr25Ni20Si2
|
|
每米重量
kg/m
|
每米电阻
Ω/m,20℃
|
每米重量
kg/m
|
每米电阻
Ω/m,20℃
|
每米重量
kg/m
|
每米电阻
Ω/m,20℃
|
|
8
|
50.3
|
251
|
417
|
0.0217
|
412
|
0.0221
|
410
|
0.0195
|
|
7.5
|
44.2
|
236
|
367
|
0.0247
|
362
|
0.0251
|
360
|
0.0222
|
|
7
|
38.5
|
220
|
319
|
0.0283
|
316
|
0.0288
|
310
|
0.0255
|
|
6.5
|
33.2
|
204
|
275
|
0.0328
|
272
|
0.0335
|
270
|
0.0295
|
|
6
|
28.3
|
188
|
235
|
0.0386
|
232
|
0.0393
|
229
|
0.0347
|
|
5.5
|
23.8
|
173
|
197
|
0.0459
|
195
|
0.0467
|
190
|
0.0412
|
|
5
|
19.6
|
157
|
163
|
0.0555
|
161
|
0.0565
|
158
|
0.0499
|
|
4.5
|
15.9
|
141
|
132
|
0.0685
|
130
|
0.0698
|
125
|
0.0616
|
|
4
|
12.6
|
126
|
104
|
0.0867
|
103
|
0.0883
|
98
|
0.0780
|
|
3.5
|
9.62
|
110
|
79.9
|
0.113
|
78.9
|
0.115
|
75
|
0.1019
|
|
3
|
7.07
|
94.2
|
58.7
|
0.154
|
58
|
0.157
|
51
|
0.1386
|
|
2.5
|
4.91
|
78.5
|
40.7
|
0.222
|
40.3
|
0.226
|
36.5
|
0.1996
|
|
2
|
3.14
|
62.8
|
26.1
|
0.347
|
25.8
|
0.353
|
20
|
0.3119
|
|
1.5
|
1.77
|
47.1
|
21.1
|
0.428
|
14.5
|
0.628
|
11.5
|
0.5546
|
|
