Posts tagged resistance wire

Nicrome wire resistance chart

Mar05
2013

Written by admin

Below are a selection of resistance tables for various common compositions of Nichrome.

Nicrome wire resistance chart (Ni80% CR20%)

Dia (mm)	Sectional Area (mm²)	Ω/m,20℃
0.10	0.007854	138.8
0.12	0.01131	96.38
0.15	0.01767	61.68
0.17	0.02270	48.02
0.19	0.02835	38.44
0.21	0.03464	31.47
0.25	0.04909	22.21
0.27	0.05726	19.04
0.29	0.06605	16.50
0.31	0.07548	14.44
0.35	0.09621	11.33
0.40	0.1257	8.674
0.45	0.1590	6.835
0.50	0.1963	5.551
0.60	0.2827	3.855
0.70	0.3848	2.832
0.80	0.5027	2.168
0.90	0.6362	1.713
1.00	0.7854	1.388
1.20	1.131	0.9638
1.40	1.539	0.7081
1.60	2.011	0.5421
1.80	2.545	0.4283
2.00	3.142	0.3470
2.20	3.801	0.2867
2.50	3.976	0.2741
2.80	6.158	0.1770
3.00	7.069	0.1542
3.50	9.621	0.1133
4.00	12.57	0.08674
4.50	15.90	0.06853
5.00	19.63	0.05551
5.50	23.76	0.04588
6.00	28.27	0.03855
6.50	33.18	0.03285
7.00	38.48	0.02832

Nicrome wire resistance chart (Ni70% CR30%)

Dia (mm)	Sectional Area (mm²)	Ω/m,20℃
0.10	0.007854	150.2
0.12	0.01131	104.3
0.15	0.01767	66.77
0.17	0.02270	51.99
0.19	0.02835	41.62
0.21	0.03464	34.07
0.25	0.04909	24.04
0.27	0.05726	20.61
0.29	0.06605	17.86
0.31	0.07548	15.63
0.35	0.09621	12.26
0.40	0.1257	9.390
0.45	0.1590	7.419
0.50	0.1963	6.010
0.60	0.2827	4.173
0.70	0.3848	3.066
0.80	0.5027	2.348
0.90	0.6362	1.855
1.00	0.7854	1.502
1.20	1.131	1.043
1.40	1.539	0.7665
1.60	2.011	0.5869
1.80	2.545	0.4637
2.00	3.142	0.3756
2.20	3.801	0.3104
2.50	3.976	0.2968
2.80	6.158	0.1916
3.00	7.069	0.1669
3.50	9.621	0.1226
4.00	12.57	0.09390
4.50	15.90	0.07419
5.00	19.63	0.06010
5.50	23.76	0.04967
6.00	28.27	0.04173
6.50	33.18	0.03556
7.00	38.48	0.03066

Nicrome wire resistance chart (Ni60% CR15%)

Dia (mm)	Sectional Area (mm²)	Ω/m,20℃
0.10	0.007854	142.6
0.12	0.01131	99.03
0.15	0.01767	63.38
0.17	0.02270	49.34
0.19	0.02835	39.50
0.21	0.03464	32.34
0.25	0.04909	22.82
0.27	0.05726	19.56
0.29	0.06605	16.96
0.31	0.07548	14.84
0.35	0.09621	11.64
0.40	0.1257	8.913
0.45	0.1590	7.042
0.50	0.1963	5.704
0.60	0.2827	3.961
0.70	0.3848	2.910
0.80	0.5027	2.228
0.90	0.6362	1.761
1.00	0.7854	1.426
1.20	1.131	0.9903
1.40	1.539	0.7276
1.60	2.011	0.5570
1.80	2.545	0.4401
2.00	3.142	0.3565
2.20	3.801	0.2946
2.50	3.976	0.2817
2.80	6.158	0.1819
3.00	7.069	0.1584
3.50	9.621	0.1164
4.00	12.57	0.08913
4.50	15.90	0.07042
5.00	19.63	0.05704
5.50	23.76	0.04714
6.00	28.27	0.03961
6.50	33.18	0.03375
7.00	38.48	0.02910

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