供应耐高温光亮镍铬扁带 电阻带
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55.0～61.034.0～37.030.0～34.0Cr20.0～23.028.0～31.015.0～18.0 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:（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 85.750.01661.640.608830.01431.590.630260.01321.390.72033.0×35 102.90.01381.370.730590.01201.320.756320.01101.160.86443.5×35 120.10.01181.170.852710.01021.130.882740.00950.991.00881.0×40 39.200.03623.590.278320.03143.470.288120.02883.040.32931.2×40 47.040.03022.990.333980.02612.890.345740.02402.530.39511.5×40 58.800.02412.400.417480.02092.310.432180.01922.020.49392.0×40 78.400.01811.800.556640.01571.740.576240.01441.520.65862.5×40 98.000.01451.440.695800.01261.390.720300.01151.210.82323.0×40 117.60.01211.200.834960.01051.160.864360.00961.010.98783.5×40 137.20.01031.030.974120.00900.991.008420.00830.871.15254.0×40156.80.00910.8981.113280.00780.871.152480.00730.761.1371 产品规格冷拉合金线材直径φ1.0-φ10.0mm热轧合金盘元直径φ8.0-φ12.0mm冷轧合金带材厚度0.5-3.5mm冷轧合金带材宽度5.0-45.0mm热轧合金带材厚度3.0-6.0mm热轧合金带材宽度12.0-45.0mm绕轴光亮细丝直径φ0.1-φ1.0mm绕轴光亮扁丝厚度0.08-1.50mm绕轴光亮扁丝宽度0.5-5.0mm 交货状态 1、供货状态 线材和盘元以白亮或者氧化色软态供应。 带材除特殊要求外，一般以退火后的氧化色供应。 细丝和扁丝经保护气体退火后，以光亮软态供应。 2、产品包装 线材和带材以打包布包扎，成卷供应。 细丝和扁丝，绕轴塑封供应。 3、出口产品及用户有特殊要求者，协商解决。 注意事项 1、电炉丝在设计时应根据功率接线方法，合理的表面负荷，正确选用丝径； 2、电炉丝在安装前应对炉膛全面检查，清除铁素体，结碳，与电炉上接触的隐患，避免短路，以防造成炉丝击穿； 3、电炉丝在安装时应按设计的接线方法正确连接； 4、在使用电炉丝前应检查控温系统的灵敏度，以防温失灵，造成电炉丝烧毁。 |