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产品图 1 镍铬、镍铬铁系列直径及其特性表 2 镍铬、镍铬铁电热合金主要性能表 畅销品
镍铬合金丝
镍铬合金丝
  • 镍铬合金丝
  • 镍铬合金丝

    镍铬、镍铬铁系列直径及其特性表

    直径
    mm
    截面积
    mm2
    每米表
    面积
    cm2/m
    Cr20Ni80,Cr30Ni70,Cr15Ni60Cr20Ni35,Cr20Ni30
    电阻率 μΩ.m,20℃1.09~1.20±0.05电阻率μΩ.m,20℃1.04~1.06±0.05
    每米电阻
    Ω/m,
    20℃
    每千克长度m/kg每米重量
    kg/m
    每米电阻
    Ω/m,
    20℃
    每千克长度m/kg每米重量
    kg/m
    0.10.00783.14143.9155780.0000641132.4162280.0000616
    0.120.01133.7799.90107530.000092991.96112020.0000892
    0.150.01774.7163.9468650.000145658.857151.50.000140
    0.170.02275.3449.7853530.000186845.825576.30.000179
    0.190.02845.9739.8542780.000233736.864457.10.000224
    0.220.03806.7129.7231980.000312627.363331.10.000300
    0.250.04917.8522.8624750.00040421.192578.10.000388
    0.280.06168.8018.3519730.000506816.892054.90.000487
    0.300.07079.4215.9817180.00058214.711790.70.000558
    0.320.080410.0514.0515110.000661812.931574.40.000635
    0.350.096211.0011.7412630.000791710.811315.80.000760
    0.400.125712.578.992966.60.0010358.2761007.00.000993
    0.450.159014.147.105764.20.0013096.539796.10.00126
    0.500.196315.715.755619.00.0016165.297644.80.00155
    0.600.28318.854.103429.40.0023293.749447.30.00224
    0.700.38522.03.014315.60.0031692.754328.80.00304
    0.800.50325.12.308241.60.0041392.109251.70.00397
    0.900.63628.31.823191.00.0052361.666199.00.00503
    1.000.78531.41.477154.80.0064601.350161.30.00620
    1.201.13137.70.999107.40.0093110.9196111.90.00894
    1.401.53944.00.73478.950.012670.675682.250.01216
    1.602.0150.30.56260.450.061540.517362.980.01588
    1.802.5456.50.44447.840.020900.408749.840.02006
    2.003.1462.80.36038.700.025840.331040.310.02408
    2.203.8069.10.29731.980.031270.273633.310.03002
    2.605.30981.680.205322.980.043690.210923.840.04195
    2.806.1688.00.18419.730.050680.168920.550.04866
    3.007.0794.20.16017.190.058170.147117.900.05587
    3.509.62110.00.11712.630.079180.108113.160.07599
    4.0012.57125.70.0909.6670.10340.0827610.070.09930
    4.5015.90141.40.0717.6420.13090.065397.9610.1256
    5.0019.63157.10.0566.1900.16160.052976.4480.1551
    5.5023.80172.80.0495.1050.19590.044625.3190.1880
    6.0028.30188.50.0414.2940.23290.037494.4730.2236
    6.5033.202040.0353.6600.27320.031943.8130.2623
    7.0038.502200.0303.1560.31690.027543.2880.3041

    镍铬、镍铬铁电热合金主要性能表

    性能\品种Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
    主要
    化学
    成份
    Ni余量余量55.0~61.034.0~37.030.0~34.0
    Cr20.0~23.028.0~31.015.0~18.018.0~21.018.0~21.0
    Fe≤1.0≤1.0余量余量余量
    元件最高使用温度
    12001250115011001100
    熔点约值
    14001380139013901390
    密度
    g/cm3
    8.408.108.207.907.90
    电阻率
    μΩ.m,20℃
    1.091.181.121.01.04
    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
    α×10-6/℃
    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弱磁性弱磁性

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