镍铬合金扁带主要技术性能：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合金扁带设计参数:（点击查看详细参数）
（厚×宽）（mm）截面积
(mm2)0Cr25A150Cr21A14Cr20Ni80电阻率1.42±0.06μΩ·m电阻率1.23±0.06μΩ·m电阻率1.091.14±0.05μΩ·m20℃每米
电阻(Ω/m)每千克
长度(m/kg)每米重量
(kg/m)20℃每米
电阻(Ω/m)每千克
长度(m/kg)每米重量
(kg/m)20℃每米
电阻(Ω/m)每千克
长度(m/kg)每米重量
(kg/m)0.5×10
4.900.290028.740.034790.251027.760.036020.22224.300.041160.8×10
7.840.181117.940.055660.156917.350.057620.13915.180.065861.0×10
9.800.144914.370.069580.125513.880.072030.11512.150.082321.2×10
11.760.120711.980.083500.104611.570.086440.096110.120.098781.5×10
14.700.09669.580.104370.08379.260.108050.07698.100.12352.0×10
19.600.07247.190.139200.06286.940.144060.05776.080.16460.8×1511.760.120711.980.083500.104611.570.086440.092710.120.098781.0×15
14.700.09669.580.104370.08379.260.108050.07698.100.12351.2×15
17.640.08057.980.125240.06977.710.12970.06416.750.14821.5×15
22.050.06446.390.156560.05586.170.162070.05125.400.18522.0×15
29.400.04834.790.208740.04184.630.216090.03844.050.24702.5×15
36.750.03863.830.260930.03353.700.270110.03073.240.30870.8×20
15.680.09068.980.111330.07848.680.115250.06957.590.13171.0×20
19.600.07247.190.139160.06286.940.144060.05776.070.16461.2×20
23.520.06045.990.166990.05235.780.172870.04805.060.19761.5×20
29.400.04834.790.208740.04184.630.216090.03844.050.24702.0×20
39.200.03623.590.278320.03143.470.288120.02883.040.32932.5×20
49.000.02902.870.347900.02512.780.360150.02312.430.41163.0×25
58.800.02412.400.417480.02092.310.432180.01922.020.49361.0×25
24.500.05805.750.173950.05025.550.180080.04614.860.20581.2×2529.400.04834.790.208740.04184.630.216090.03844.050.24701.5×25
36.750.03863.830.260930.03353.700.270110.03073.240.30872.0×25
49.000.02902.870.347900.02512.780.360150.02312.430.41162.5×25
61.250.02322.300.434880.02012.220.450190.01841.940.51453.0×25
73.500.01931.920.521850.01671.850.540230.01541.620.61741.0×30
29.400.04834.790.208740.04184.630.216090.03844.050.24701.2×30
35.280.04023.990.250490.03493.680.259310.03203.370.29641.5×30
44.100.03223.190.313110.02793.090.324140.02562.700.37042.0×30
58.800.02412.400.417480.02092.310.432180.01922.020.49392.5×30
73.500.01931.920.521850.01671.850.540230.01541.620.61743.0×30
88.200.01611.600.626220.1391.540.648270.01281.350.74093.5×30
102.90.01381.370.730590.01201.320.756320.01111.160.86441.0×35
34.300.04144.110.243530.03593.970.252110.03293.470.28811.2×35
41.160.03453.420.292440.02993.310.302530.02752.890.34571.5×35
51.450.02762.740.365300.02392.640.378160.02202.310.43222.0×35
68.600.02072.050.487060.01791.980.504210.01651.740.57622.5×35
85.750.01661.640.608830.01431.590.630260.01321.390.72033.0×35