材质：Cr20Ni80,Cr15Ni60,GH140,Cr20Ni35
规格：φ0.03mm~φ8.0mm
用途：镍铬材料因其高温强度高，可塑性强。
广泛用于工业电炉、家用电器、远红外装置。 镍铬丝主要技术性能：牌号Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30性能     主要化学成分%Ni余量余量55.0～61.034.0～37.030.0～34.0Cr20.0～23.028.0～31.015.0～18.0
18.0～21.018.0～21.0Fe≤1.0
≤1.0
余量余量余量元件最高使用温度℃
12001250115011001100熔点℃
14001380139013901390密度g/cm3
8.408.108.207.907.90电阻率μΩ·m，20℃
1.09±0.05
1.18±0.05
1.11±0.05
1.04±0.05
1.04±0.05延伸率%
≥20
≥20
≥20
≥20
≥20比热J/g.℃
0.440
0.461
0.494
0.500
0.500导热系数KJ/m.h℃
60.345.245.243.843.8线胀系数a×10-6/℃（20～1000℃）
18.017.017.019.019.0显微组织
奥氏体奥氏体奥氏体奥氏体奥氏体磁性非磁性非磁性非磁性非磁性非磁性 镍铬丝设计参数: （点击查看详细参数）线 径
(mm)截面积
(mm2)每米
表面积
cm2/mCr20Ni80Cr30Ni70Cr15Ni60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
0.0078543.1420.00006597138.80.00006362150.2
0.00006440142.6
0.120.011313.7700.0000950096.380.00009161
104.3
0.00009274
99.03
0.150.017674.7120.000148461.680.0001431
66.77
0.0001449
63.38
0.170.022705.3410.000190748.020.0001839
51.99
0.0001861
49.34
0.190.028355.9690.000238238.440.0002297
41.62
0.0002325
39.50
0.210.034646.5970.000290931.470.0002806
34.07
0.0002840
32.34
0.250.049097.8540.000412322.210.0003976
24.04
0.0004025
22.82
0.270.057268.4820.000480919.040.0004638
20.61
0.0004695
19.56
0.290.066059.1110.000554816.500.0005350
17.86
0.0005416
16.96
0.310.075489.7390.000634014.440.0006114
15.63
0.0006189
14.84
0.350.0962111.000.000808211.330.0007793
12.26
0.0007889
11.64
0.400.125712.570.0010568.6740.001018
9.390
0.001030
8.913
0.450.159014.140.0013396.8350.001288
7.419
0.001304
7.042
0.500.196315.710.0014695.5510.001590
6.010
0.001610
5.704
0.600.282718.850.0023753.8550.002290
4.173
0.002318
3.961
0.700.384821.990.0032332.8320.003117
3.066
0.003156
2.910
0.800.502725.130.0042222.1680.004072
2.348
0.004122
2.228
0.900.636228.270.0053441.7130.005153
1.855
0.005217
1.761
1.000.785431.420.0065971.3880.006362
1.502
0.006440
1.426
1.201.13137.700.0095000.96380.009161
1.043
0.009274
0.9903
1.401.53943.980.012930.70810.01247
0.7665
0.01262
0.7276
1.602.01150.270.016890.54210.01629
0.5869
0.01649
0.5570
1.802.54556.550.021380.42830.02061
0.4637
0.02087
0.4401
2.003.14262.830.026390.34700.02545
0.3756
0.02576
0.3565
2.203.80169.120.031390.28670.03079
0.3104
0.03117
0.29462.503.97670.690.033400.27410.03221
0.2968
0.03260
0.2817
2.806.15887.960.051720.17700.049880.1916
0.05049
0.1819
3.007.06994.250.059380.15420.05726
0.1669
0.05796
0.1584
3.509.621110.00.080820.11330.07793
0.12260.078890.1164
4.0012.57125.70.10560.086740.1018
0.09390
0.1030
0.08913
4.5015.90141.40.13360.068530.1288
0.07419
0.1304
0.07042
5.0019.63157.10.16490.055510.1590
0.06010
0.1610
0.05704
5.5023.76172.80.19960.045880.1924
0.04967
0.1948
0.04714
6.0028.27188.50.23750.038550.2290
0.04173
0.2318
0.03961
6.5033.18204.20.27870.032850.2688
0.03556
0.2721
0.03375