Alloy wire for electricity
(Nickel Chrome,Fe-Chrome)
Electric resistance wire
(Copper Nickel,Manganese Nickel)
Pure Nickel Wire
(Wire･Ribbon･Plate･Coil･Foil)
Nickel Alloy
(Wire･Ribbon)
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NCH1　Nickel Chrome Heating Wire Type 1

Code：NCH1（Nickel Chrome Heating Wire Type 1）

Properties and Applications

It has good heat resistance, good oxidation resistance, high strength at high temperatures, and is non-magnetic. Its workability does not become embrittled even after heating at high temperatures, and it has good cold workability. It is suitable for high-

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Product Details

JIS JIS Code Electrical
Resistivity
[μΩm]		 Average TCR
［×10-6/℃］
NCH1 C 2520 1.08±0.05 ＊80
GNC108 C 2532
(＊)Reference value
Cuprous
Electromotive
Force
Μv/K
(0~100℃)		 Thermal
Expansion
Coefficient
×10-6/		 Specific Heat
J/g・K
(20℃)		 Thermal
Conductivity
w/m・K		 Density
g/cm3
(20℃		 Melting Point
℃		 Max
Operating
Temperature
℃
＋0.4 ～ ＋0.7 17.0 0.42 15 8.41 1400 1100
Chemical
Composition		 C Si Mn Ni Cr Fe
(％) ≦0.15 0.75～1.6 ≦2.5 ≧77 19～21 ≦1

Resistance increase by temperature

℃ 20 100 200 300 400 500 600 700 800 900 1000 1100
Coefficient 1.000 1.009 1.024 1.039 1.056 1.070 1.068 1.062 1.060 1.063 1.070 1.080
Alloys Type Diameter (mm）
NCHW1 Wire φ6.00～0.020
NCHR1 Ribbon t=2.90~0.05 w=40~0.2 (Depends on thickness)
NCH1P Plate Please consult
NCH1 Foil Please consult

NCHW1【Resistance・Length・Weight】

〔Wire〕
Alloys Electrical
Resistivity
(23℃μΩｍ)
NCHW1 1.08±0.05
Diameter
(mm)		 Tolerance
(mm)		 Cross section
(mm2)		 Resistance Tolerance
(%)		 Resistance Tolerance
(Ω/ｍ)		 Length
(ｍ/Kg)		 Weight
(ｇ/ｍ)
6.00 ±0.080 28.27 ±5 0.0382 4.21 238
5.50 ±0.063 23.76 ±5 0.0455 5.00 200
5.00 ±0.063 19.64 ±5 0.0550 6.06 165
4.50 ±0.063 15.90 ±5 0.0679 7.48 134
4.00 ±0.063 12.57 ±5 0.0859 9.46 106
3.50 ±0.050 9.621 ±5 0.112 12.4 80.9
3.20 ±0.050 8.042 ±5 0.134 14.8 67.6
2.90 ±0.050 6.605 ±5 0.164 18.0 55.5
2.60 ±0.040 5.309 ±5 0.203 22.4 44.7
2.30 ±0.040 4.155 ±5 0.260 28.6 34.9
2.00 ±0.040 3.142 ±5 0.344 37.8 26.4
1.80 ±0.040 2.545 ±5 0.424 46.7 21.4
1.60 ±0.032 2.011 ±5 0.537 59.1 16.9
1.50 ±0.032 1.767 ±5 0.611 67.3 14.9
1.40 ±0.032 1.539 ±5 0.702 77.2 12.9
1.30 ±0.032 1.327 ±5 0.814 89.6 11.2
1.20 ±0.025 1.131 ±5 0.955 105 9.51
1.10 ±0.025 0.9503 ±6 1.14 125 7.99
1.00 ±0.025 0.7854 ±6 1.38 151 6.61
0.90 ±0.025 0.6362 ±6 1.70 187 5.35
0.85 ±0.025 0.5675 ±6 1.90 210 4.77
0.80 ±0.020 0.5027 ±6 2.15 237 4.23
0.75 ±0.020 0.4418 ±6 2.44 269 3.72
0.70 ±0.020 0.3848 ±6 2.81 309 3.24
0.65 ±0.020 0.3318 ±6 3.25 358 2.79
0.60 ±0.020 0.2827 ±6 3.82 421 2.38
0.55 ±0.016 0.2376 ±7 4.55 500 2.00
0.50 ±0.016 0.1964 ±7 5.50 606 1.65
0.45 ±0.016 0.1590 ±7 6.79 748 1.34
0.40 ±0.016 0.1257 ±7 8.59 946 1.06
0.35 ±0.013 0.09621 ±7 11.2 1236 0.809
0.32 ±0.013 0.08042 ±7 13.4 1478 0.676
0.29 ±0.013 0.06605 ±7 16.4 1800 0.555
0.26 ±0.010 0.05309 ±8 20.3 2240 0.447
0.23 ±0.010 0.04155 ±8 26.0 2862 0.349
0.20 ±0.010 0.03142 ±8 34.4 3785 0.264
0.18 ±0.008 0.02545 ±8 42.4 4673 0.214
0.16 ±0.008 0.02011 ±8 53.7 5914 0.169
0.15 ±0.008 0.01767 ±8 61.1 6729 0.149
0.14 ±0.008 0.01539 ±8 70.2 7724 0.129
0.13 ±0.006 0.01327 ±9 81.4 8958 0.112
0.12 ±0.006 0.01131 ±9 95.5 10514 0.0951
0.11 ±0.006 0.009503 ±9 114 12512 0.0799
0.10 ±0.006 0.007854 ±9 138 15140 0.0661
0.09 ±0.006 0.006362 ±10 170 18691 0.0535
0.08 ±0.005 0.005027 ±10 215 23656 0.0423
0.07 ±0.005 0.003848 ±10 281 30897 0.0324
0.06 ±0.004 0.002827 ±11 382 42054 0.0238
0.05 ±0.004 0.001964 ±11 550 60558 0.0165
0.04 ±0.003 0.001257 ±12 859 94622 0.0106
0.03 ±0.003 0.0007069 ±12 1528 168217 0.00594
0.025 ±0.0025 0.0004909 ±13 2200 242233 0.00413
0.020 ±0.0025 0.0003142 ±13 3438 378489 0.00264

NCHW1【Temperature Current Characteristics・Diameter・Temperature・Current】

[Unit：Ampere]
Diameter
(mm)		 200
(℃)		 300
(℃)		 400
(℃)		 500
(℃)		 600
(℃)		 700
(℃)		 800
(℃)		 900
(℃)		 1000
(℃)		 1100
(℃)
6.00 56.0 78.0 98.0 119 147 175 210 250 290 325
5.50 49.0 69.0 97.0 105 130 155 190 220 255 290
5.00 43.0 59.0 75.0 90.0 112 135 164 190 220 250
4.50 36.0 50.0 64.0 77.0 94.0 115 140 160 190 215
4.00 31.0 42.0 54.0 65.0 80.0 94.0 113 133 159 180
3.50 25.0 34.0 44.0 53.0 66.0 78.0 96.0 113 130 150
3.20 22.0 30.0 39.0 46.0 57.0 68.0 83.0 98.0 114 130
2.90 18.8 26.0 34.0 40.0 49.0 59.0 72.0 84.0 98.0 111
2.60 15.5 22.0 28.0 34.0 42.0 50.0 62.0 72.0 83.0 93.0
2.30 13.2 18.1 24.0 29.0 35.0 42.0 52.0 60.0 69.0 79.0
2.00 11.0 15.0 20.0 24.0 29.0 35.0 41.0 49.0 56.0 64.0
1.80 9.70 13.2 17.3 21.0 25.0 30.0 33.0 42.0 48.0 55.0
1.60 8.20 11.3 15.0 17.5 21.0 26.0 31.0 35.0 41.0 46.0
1.50 7.60 10.4 13.6 16.0 19.5 23.0 28.0 32.0 37.0 42.0
1.40 7.00 9.50 12.5 14.6 18.0 21.0 26.0 29.0 34.0 39.0
1.30 6.40 8.70 11.3 13.3 16.2 19.0 23.0 26.0 30.0 35.0
1.20 5.90 7.80 10.5 11.8 14.0 16.1 20.0 23.0 27.0 31.0
1.10 5.20 7.00 9.00 10.8 13.0 15.4 18.2 21.0 24.0 27.0
1.00 4.70 6.10 8.00 9.40 11.5 13.5 15.5 17.5 20.0 23.0
0.90 4.10 5.50 7.10 8.20 10.0 11.8 14.0 16.0 18.2 21.0
0.85 3.90 5.10 6.60 7.70 9.30 10.8 12.8 14.8 17.0 19.3
0.80 3.50 4.70 6.10 7.00 8.50 10.0 11.8 13.5 15.5 17.5
0.75 3.30 4.30 5.60 6.50 7.80 9.00 10.7 12.4 14.0 16.0
0.70 3.00 3.90 5.10 5.90 7.10 8.30 9.70 11.0 12.9 14.7
0.65 2.80 3.60 4.70 5.40 6.50 7.50 8.70 10.0 11.6 13.2
0.60 2.50 3.20 4.20 4.80 5.80 6.80 7.80 9.00 10.3 12.0
0.55 2.30 2.90 3.80 4.30 5.20 6.00 7.00 8.00 9.20 10.5
0.50 2.00 2.60 3.40 3.80 4.60 5.30 6.30 7.10 8.20 9.20
0.45 1.80 2.30 2.90 3.30 4.00 4.60 5.20 5.90 6.70 7.60
0.40 1.50 1.90 2.50 2.90 3.40 3.90 4.50 5.20 5.90 6.70
0.35 1.26 1.60 2.10 2.50 2.90 3.30 3.70 4.30 4.80 5.50
0.32 1.13 1.45 1.86 2.20 2.60 2.90 3.40 3.90 4.40 4.90
0.29 1.00 1.30 1.65 1.90 2.30 2.60 3.00 3.40 3.80 4.30
0.26 0.88 1.13 1.45 1.70 2.00 2.30 2.60 2.90 3.30 3.70
0.23 0.76 1.00 1.25 1.45 1.70 1.90 2.20 2.50 2.80 3.20
0.20 0.64 0.84 1.05 1.21 1.42 1.63 1.85 2.10 2.40 2.60
0.18 0.56 0.74 0.92 1.06 1.25 1.42 1.62 1.85 2.00 2.30
0.16 0.49 0.64 0.79 0.91 1.06 1.23 1.40 1.60 1.79 1.98
0.15 0.45 0.59 0.73 0.84 0.98 1.12 1.30 1.46 1.63 1.80
0.14 0.42 0.55 0.67 0.78 0.90 1.05 1.20 1.34 1.50 1.65
0.13 0.38 0.50 0.61 0.71 0.82 0.95 1.09 1.22 1.38 1.50
0.12 0.35 0.46 0.56 0.64 0.74 0.86 1.00 1.10 1.23 1.35
0.11 0.31 0.42 0.50 0.58 0.67 0.77 0.88 1.00 1.10 1.20
0.10 0.28 0.37 0.45 0.52 0.59 0.68 0.78 0.88 0.98 1.07
0.09 0.23 0.31 0.37 0.44 0.51 0.57 0.64 0.77 0.78 0.86
0.08 0.20 0.27 0.32 0.38 0.44 0.49 0.55 0.61 0.67 0.73
0.07 0.17 0.22 0.27 0.32 0.37 0.41 0.46 0.51 0.56 0.61
0.06 0.14 0.19 0.23 0.26 0.30 0.40 0.38 0.42 0.46 0.50
0.05 0.11 0.15 0.18 0.21 0.24 0.27 0.30 0.33 0.36 0.39
0.04 0.08 0.11 0.13 0.15 0.18 0.20 0.22 0.24 0.26 0.29
0.03 0.06 0.07 0.09 0.10 0.12 0.13 0.15 0.16 0.18 0.19
(*)Reference value

NCHR1【Conductor resistance】

[Ribbon]
Alloys Electrical
Resistivity
(23℃μΩｍ)
NCHR1 1.08±0.05
［Unit：Ω/m］
Thickness
(mm)		 Width (mm)
40.0 32.0 25.0 20.0 16.0 13.0 10.0 6.5 5.0 3.2 2.4 1.6 0.8 0.4 0.2
2.90 0.0095 0.0119 0.0152 0.0190 0.0238 0.0292 0.0380
2.60 0.0106 0.0132 0.0170 0.0212 0.0265 0.0326 0.0424 0.0666
2.30 0.0120 0.0150 0.0192 0.0240 0.0299 0.0369 0.0479 0.0753 0.10
2.00 0.0138 0.0172 0.0220 0.0276 0.0344 0.0424 0.0551 0.0865 0.11
1.80 0.0153 0.0191 0.0245 0.0306 0.0383 0.0471 0.0612 0.0962 0.13
1.60 0.0172 0.0215 0.0276 0.0344 0.0430 0.0530 0.0689 0.108 0.14
1.40 0.0197 0.0246 0.0315 0.0394 0.0492 0.0606 0.0787 0.124 0.16
1.20 0.0230 0.0287 0.0367 0.0459 0.0574 0.0706 0.0918 0.144 0.19
1.00 0.0276 0.0344 0.0441 0.0551 0.0689 0.0848 0.110 0.173 0.23
0.90 0.0383 0.0490 0.0612 0.0765 0.0942 0.122 0.192 0.25 0.391 0.521
0.80 0.0430 0.0551 0.0689 0.0861 0.106 0.138 0.216 0.28 0.439 0.586
0.70 0.0630 0.0787 0.0984 0.121 0.157 0.247 0.32 0.502 0.670
0.60 0.0735 0.0918 0.115 0.141 0.184 0.288 0.38 0.586 0.781
0.50 0.0882 0.110 0.138 0.170 0.220 0.346 0.45 0.703 0.938
0.45 0.0980 0.122 0.153 0.188 0.245 0.385 0.50 0.781 1.04 1.56
0.40 0.172 0.212 0.276 0.433 0.56 0.879 1.17 1.76
0.35 0.242 0.315 0.495 0.64 1.00 1.34 2.01
0.32 0.265 0.344 0.541 0.70 1.10 1.46 2.20
0.29 0.380 0.597 0.78 1.21 1.62 2.42 4.85
0.26 0.424 0.666 0.87 1.35 1.80 2.70 5.41 10.8
0.23 0.753 0.98 1.53 2.04 3.06 6.11 12.2
0.20 0.865 1.13 1.76 2.34 3.52 7.03 14.1
0.18 0.962 1.25 1.95 2.60 3.91 7.81 15.6
0.16 2.20 2.93 4.39 8.79 17.6
0.14 2.51 3.35 5.02 10.0 20.1
0.12 3.91 5.86 11.7 23.4
0.10 7.03 14.1 28.1
0.08 8.79 17.6 35.2 70.3
0.07 20.1 40.2 80.4
0.06 46.9 93.8
0.05 56.3
*Allowable tolerance of conductor resistance : Width 10mm or more ±7% , Width 10mm or less ±8%

Conductor Resistance Tolerance of Ribbon

Thickness
[mm]		 Width
[mm]		 Resitance Tolerance
[%]
0.08above　3.15below 10below ±8
10above ±7
*We can manufacture products other than the standard (size and tolerance), so please contact us.