本公司生产的高电阻电热合金产品纯洁度，低杂质电阻率稳定，（量度系数）表面抗氧化性好，共有较高的高温强度和良好的加工性能及可焊性，钢种品种规格齐全。广泛用于冶金工业炉业，家用电器，机械制造等行业做发热元件和电阻材料。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55.0～61.034.0～37.030.0～34.0Cr20.0～23.028.0～31.015.0～18.018.0～21.018.0～21.0Fe≤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/cm38.408.108.207.907.90电阻率μΩ·m，20℃1.09±0.051.18±0.051.11±0.051.04±0.051.04±0.05延伸率%≥20≥20≥20≥20≥20比热J/g.℃0.4400.4610.4940.5000.500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:（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)0.5×104.900.290028.740.034790.251027.760.036020.22224.300.041160.8×107.840.181117.940.055660.156917.350.057620.13915.180.065861.0×109.800.144914.370.069580.125513.880.072030.11512.150.082321.2×1011.760.120711.980.083500.104611.570.086440.096110.120.098781.5×1014.700.09669.580.104370.08379.260.108050.07698.100.12352.0×1019.600.07247.190.139200.06286.940.144060.05776.080.16460.8×1511.760.120711.980.083500.104611.570.086440.092710.120.098781.0×1514.700.09669.580.104370.08379.260.108050.07698.100.12351.2×1517.640.08057.980.125240.06977.710.12970.06416.750.14821.5×1522.050.06446.390.156560.05586.170.162070.05125.400.18522.0×1529.400.04834.790.208740.04184.630.216090.03844.050.24702.5×1536.750.03863.830.260930.03353.700.270110.03073.240.30870.8×2015.680.09068.980.111330.07848.680.115250.06957.590.13171.0×2019.600.07247.190.139160.06286.940.144060.05776.070.16461.2×2023.520.06045.990.166990.05235.780.172870.04805.060.19761.5×2029.400.04834.790.208740.04184.630.