镍铬丝(原丝)
镍铬、镍铬铁电阻电热合金具有较高的电阻率，表面抗氧化性好，并且在高温下有较高的强度，有良好的加工性能及可焊性，可广泛用于治金、家用电器、机械制造业等做发热元件和电器行业做电阻材料。
|
线 径
(mm) |
截面积
(mm2) |
每米表面积
cm2/m |
Cr20Ni80 |
Cr30Ni70 |
Cr15Ni60 |
|
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℃ |
|
0.10 |
0.007854 |
3.142 |
0.00006597 |
138.8 |
0.00006362 |
150.2 |
0.00006440 |
142.6 |
|
0.12 |
0.01131 |
3.770 |
0.00009500 |
96.38 |
0.00009161 |
104.3 |
0.00009274 |
99.03 |
|
0.15 |
0.01767 |
4.712 |
0.0001484 |
61.68 |
0.0001431 |
66.77 |
0.0001449 |
63.38 |
|
0.17 |
0.02270 |
5.341 |
0.0001907 |
48.02 |
0.0001839 |
51.99 |
0.0001861 |
49.34 |
|
0.19 |
0.02835 |
5.969 |
0.0002382 |
38.44 |
0.0002297 |
41.62 |
0.0002325 |
39.50 |
|
0.21 |
0.03464 |
6.597 |
0.0002909 |
31.47 |
0.0002806 |
34.07 |
0.0002840 |
32.34 |
|
0.25 |
0.04909 |
7.854 |
0.0004123 |
22.21 |
0.0003976 |
24.04 |
0.0004025 |
22.82 |
|
0.27 |
0.05726 |
8.482 |
0.0004809 |
19.04 |
0.0004638 |
20.61 |
0.0004695 |
19.56 |
|
0.29 |
0.06605 |
9.111 |
0.0005548 |
16.50 |
0.0005350 |
17.86 |
0.0005416 |
16.96 |
|
0.31 |
0.07548 |
9.739 |
0.0006340 |
14.44 |
0.0006114 |
15.63 |
0.0006189 |
14.84 |
|
0.35 |
0.09621 |
11.00 |
0.0008082 |
11.33 |
0.0007793 |
12.26 |
0.0007889 |
11.64 |
|
0.40 |
0.1257 |
12.57 |
0.001056 |
8.674 |
0.001018 |
9.390 |
0.001030 |
8.913 |
|
0.45 |
0.1590 |
14.14 |
0.001339 |
6.835 |
0.001288 |
7.419 |
0.001304 |
7.042 |
|
0.50 |
0.1963 |
15.71 |
0.001469 |
5.551 |
0.001590 |
6.010 |
0.001610 |
5.704 |
|
0.60 |
0.2827 |
18.85 |
0.002375 |
3.855 |
0.002290 |
4.173 |
0.002318 |
3.961 |
|
0.70 |
0.3848 |
21.99 |
0.003233 |
2.832 |
0.003117 |
3.066 |
0.003156 |
2.910 |
|
0.80 |
0.5027 |
25.13 |
0.004222 |
2.168 |
0.004072 |
2.348 |
0.004122 |
2.228 |
|
0.90 |
0.6362 |
28.27 |
0.005344 |
1.713 |
0.005153 |
1.855 |
0.005217 |
1.761 |
|
1.00 |
0.7854 |
31.42 |
0.006597 |
1.388 |
0.006362 |
1.502 |
0.006440 |
1.426 |
|
1.20 |
1.131 |
37.70 |
0.009500 |
0.9638 |
0.009161 |
1.043 |
0.009274 |
0.9903 |
|
1.40 |
1.539 |
43.98 |
0.01293 |
0.7081 |
0.01247 |
0.7665 |
0.01262 |
0.7276 |
|
1.60 |
2.011 |
50.27 |
0.01689 |
0.5421 |
0.01629 |
0.5869 |
0.01649 |
0.5570 |
|
1.80 |
2.545 |
56.55 |
0.02138 |
0.4283 |
0.02061 |
0.4637 |
0.02087 |
0.4401 |
|
2.00 |
3.142 |
62.83 |
0.02639 |
0.3470 |
0.02545 |
0.3756 |
0.02576 |
0.3565 |
|
2.20 |
3.801 |
69.12 |
0.03139 |
0.2867 |
0.03079 |
0.3104 |
0.03117 |
0.2946 |
|
2.50 |
3.976 |
70.69 |
0.03340 |
0.2741 |
0.03221 |
0.2968 |
0.03260 |
0.2817 |
|
2.80 |
6.158 |
87.96 |
0.05172 |
0.1770 |
0.04988 |
0.1916 |
0.05049 |
0.1819 |
|
3.00 |
7.069 |
94.25 |
0.05938 |
0.1542 |
0.05726 |
0.1669 |
0.05796 |
0.1584 |
|
3.50 |
9.621 |
110.0 |
0.08082 |
0.1133 |
0.07793 |
0.1226 |
0.07889 |
0.1164 |
|
4.00 |
12.57 |
125.7 |
0.1056 |
0.08674 |
0.1018 |
0.09390 |
0.1030 |
0.08913 |
|
4.50 |
15.90 |
141.4 |
0.1336 |
0.06853 |
0.1288 |
0.07419 |
0.1304 |
0.07042 |
|
5.00 |
19.63 |
157.1 |
0.1649 |
0.05551 |
0.1590 |
0.06010 |
0.1610 |
0.05704 |
|
5.50 |
23.76 |
172.8 |
0.1996 |
0.04588 |
0.1924 |
0.04967 |
0.1948 |
0.04714 |
|
6.00 |
28.27 |
188.5 |
0.2375 |
0.03855 |
0.2290 |
0.04173 |
0.2318 |
0.03961 |
|
6.50 |
33.18 |
204.2 |
0.2787 |
0.03285 |
0.2688 |
0.03556 |
0.2721 |
0.03375 |
|
7.00 |
38.48 |
219.9 |
0.3233 |
0.02832 |
0.3117 |
0.03066 |
0.3156 |
0.02910 |
|
