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电热丝、发热丝
产品编号：电热丝、发热丝产品名称：镍铬合金规 格：φ0.03mm~φ8.0mm...
| 镍铬合金丝主要技术性能： |
| 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合金丝设计参数: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 7.0038.48219.90.32330.028320.31170.030660.31560.02910 |
