High resistance thermoelectric alloy resistance temperature correction factor
Alloy grade
|
20
℃
|
100
℃
|
200
℃
|
300
℃
|
400
℃
|
500
℃
|
600
℃
|
700
℃
|
800
℃
|
900
℃
|
1000
℃
|
1100
℃
|
1200
℃
|
1300
℃
|
1Cr13A14
|
1.000
|
1.005
|
1.014
|
1.028
|
1.044
|
1.064
|
1.090
|
1.120
|
1.132
|
1.142
|
1.150
|
|
|
|
0Cr25A15
|
1.000
|
1.002
|
1.005
|
1.008
|
1.013
|
1.021
|
1.030
|
1.038
|
1.040
|
1.042
|
1.044
|
1.046
|
1.047
|
|
0Cr21A16
|
1.000
|
1.000
|
1.002
|
1.006
|
1.011
|
1.020
|
1.037
|
1.043
|
1.046
|
1.049
|
1.052
|
1.055
|
1.058
|
|
0Cr21A14
|
1.000
|
1.011
|
1.025
|
1.042
|
1.061
|
1.085
|
1.120
|
1.142
|
1.154
|
1.172
|
1.180
|
1.186
|
|
|
0Cr21A16Nb
|
1.000
|
0.997
|
0.996
|
0.994
|
0.991
|
0.990
|
0.99
|
0.99
|
0.99
|
0.99
|
0.99
|
0.99
|
0.99
|
|
0Cr27A17Mo2
|
1.000
|
0.992
|
0.986
|
0.981
|
0.978
|
0.976
|
0.974
|
0.972
|
0.970
|
0.969
|
0.968
|
0.968
|
0.967
|
0.967
|
Cr20Ni80
|
1.000
|
1.006
|
1.012
|
1.018
|
1.025
|
1.026
|
1.018
|
1.010
|
1.008
|
1.010
|
1.014
|
1.021
|
1.025
|
|
Cr30Ni70
|
1.000
|
1.007
|
1.016
|
1.028
|
1.038
|
1.044
|
1.036
|
1.030
|
1.028
|
1.029
|
1.033
|
1.037
|
1.043
|
|
Cr15Ni60
|
1.000
|
1.011
|
1.024
|
1.038
|
1.052
|
1.064
|
1.069
|
1.073
|
1.078
|
1.088
|
1.095
|
1.109
|
|
|
Cr20Ni35
|
1.000
|
1.029
|
1.061
|
1.090
|
1.115
|
1.139
|
1.157
|
1.173
|
1.188
|
1.208
|
1.219
|
1.228
|
|
|
Cr20Ni30
|
1.000
|
1.023
|
1.052
|
1.079
|
1.103
|
1.125
|
1.141
|
1.158
|
1.173
|
1.187
|
1.201
|
1.214
|
1.226
|
|
(1). Uses: Nickel-chromium material because of its high temperature strength, plasticity,
Widely used in industrial furnaces, household appliances, far-infrared devices.
Grade
|
Cr20Ni80
|
Cr30Ni70
|
Cr15Ni60
|
Cr20Ni35
|
Cr20Ni30
|
Performance
|
|
|
|
|
|
The main chemical composition%
|
Ni
|
Margin
|
Margin
|
55.0~61.0
|
34.0~37.0
|
30.0~34.0
|
Cr
|
20.0~23.0
|
28.0~31.0
|
15.0~18.0
|
18.0~21.0
|
18.0~21.0
|
Fe
|
≤1.0
|
≤1.0
|
Margin
|
Margin
|
Margin
|
Components maximum operating temperature℃
|
1200
|
1250
|
1150
|
1100
|
1100
|
Melting point℃
|
1400
|
1380
|
1390
|
1390
|
1390
|
Densityg/cm3
|
8.40
|
8.10
|
8.20
|
7.90
|
7.90
|
ResistivityμΩ·m,20℃
|
1.09±0.05
|
1.18±0.05
|
1.11±0.05
|
1.04±0.05
|
1.04±0.05
|
Elongation%
|
≥20
|
≥20
|
≥20
|
≥20
|
≥20
|
Specific heatJ/g.℃
|
0.440
|
0.461
|
0.494
|
0.500
|
0.500
|
Thermal ConductivityKJ/m.h℃
|
60.3
|
45.2
|
45.2
|
43.8
|
43.8
|
Linear expansion coefficienta×10-6/℃(20~1000℃)
|
18.0
|
17.0
|
17.0
|
19.0
|
19.0
|
Microstructure
|
Austenitic
|
Austenitic
|
Austenitic
|
Austenitic
|
Austenitic
|
Magnetic
|
Non-magnetic
|
Non-magnetic
|
Non-magnetic
|
Non-magnetic
|
Non-magnetic
|
(2). Product Specifications:
Cold-drawn alloy wire
|
Diameter
|
φ1.0-φ10.0mm
|
Hot rolled alloy disk
|
Diameter
|
φ8.0-φ12.0mm
|
Cold-rolled alloy strip
|
Thickness
|
0.5-3.5mm
|
Cold-rolled alloy strip
|
Width
|
5.0-45.0mm
|
Hot rolled alloy strip
|
Thickness
|
3.0-6.0mm
|
Hot rolled alloy strip
|
Width
|
12.0-45.0mm
|
Bright filament around the shaft
|
Diameter
|
φ0.1-φ1.0mm
|
Shaft round bright flat wire
|
Thickness
|
0.08-1.50mm
|
Shaft round bright flat wire
|
Width
|
0.5-5.0mm
|
(3) Nickel chrome wire parameters:
Wire diameter(mm)
|
Cross-sectional area(mm2)
|
Per meter
Surface area
cm2/m
|
Cr20Ni80
|
Cr30Ni70
|
Cr15Ni60
|
Weight per meter
kg/m
|
Resistance per meter
Ω/m,20℃
|
Weight per meter
kg/m
|
Resistance per meter
Ω/m,20℃
|
Weight per meter
kg/m
|
Resistance per meter
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&, lt;, /P>
|
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
|
0.0, 7419
|
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
|
(4) delivery status
1, the supply status
Wires and plates are supplied in white or oxidized colors.
Strip except for special requirements, the general oxidation of the color after the supply.
Filament and flat wire after the protective gas annealing, the supply of bright soft state.
2, product packaging
Wire and tape wrapped in cloth, roll supply.
Filament and flat yarn, plastic supply around the shaft.
3, export products and users have special requirements, negotiated settlement.
|