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资讯动态
牌号 | cr20ni80 | cr30ni70 | cr15ni60 | cr20ni35 | cr20ni30 | |
| 性能 | ||||||
| 主要化学成分% | ni | 余量 | 余量 | 55.0～61.0 | 34.0～37.0 | 30.0～34.0 |
| cr | 20.0～23.0 | 28.0～31.0 | 15.0～18.0 | 18.0～21.0 | 18.0～21.0 | |
| fe | ≤1.0 | ≤1.0 | 余量 | 余量 | 余量 | |
| 元件高使用温度℃ | 1200 | 1250 | 1150 | 1100 | 1100 | |
| 熔点℃ | 1400 | 1380 | 1390 | 1390 | 1390 | |
| 密度g/cm3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
| 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℃ | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| 线胀系数a×10-6/℃（20～1000℃） | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
| 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℃0.100.0078543.1420.00006597138.80.00006362150.20.00006440142.60.120.011313.7700.0000950096.380.00009161104.30.0000927499.030.150.017674.7120.000148461.680.000143166.770.000144963.380.170.022705.3410.000190748.020.000183951.990.000186149.340.190.028355.9690.000238238.440.000229741.620.000232539.500.210.034646.5970.000290931.470.000280634.070.000284032.340.250.049097.8540.000412322.210.000397624.040.000402522.820.270.057268.4820.000480919.040.000463820.610.000469519.560.290.066059.1110.000554816.500.000535017.860.000541616.960.310.075489.7390.000634014.440.000611415.630.000618914.840.350.0962111.000.000808211.330.000779312.260.000788911.640.400.125712.570.0010568.6740.0010189.3900.0010308.9130.450.159014.140.0013396.8350.0012887.4190.0013047.0420.500.196315.710.0014695.5510.0015906.0100.0016105.7040.600.282718.850.0023753.8550.0022904.1730.0023183.9610.700.384821.990.0032332.8320.0031173.0660.0031562.9100.800.502725.130.0042222.1680.0040722.3480.0041222.2280.900.636228.270.0053441.7130.0051531.8550.0052171.7611.000.785431.420.0065971.3880.0063621.5020.0064401.4261.201.13137.700.0095000.96380.0091611.0430.0092740.99031.401.53943.980.012930.70810.012470.76650.012620.72761.602.01150.270.016890.54210.016290.58690.016490.55701.802.54556.550.021380.42830.020610.46370.020870.44012.003.14262.830.026390.34700.025450.37560.025760.35652.203.80169.120.031390.28670.030790.31040.031170.29462.503.97670.690.033400.27410.032210.29680.032600.28172.806.15887.960.051720.17700.049880.19160.050490.18193.007.06994.250.059380.15420.057260.16690.057960.15843.509.621110.00.080820.11330.077930.12260.078890.11644.0012.57125.70.10560.086740.10180.093900.10300.089134.5015.90141.40.13360.068530.12880.074190.13040.070425.0019.63157.10.16490.055510.15900.060100.16100.057045.5023.76172.80.19960.045880.19240.049670.19480.047146.0028.27188.50.23750.038550.22900.041730.23180.039616.5033.18204.20.27870.032850.26880.035560.27210.033757.0038.48219.90.32330.028320.31170.030660.31560.02910 |
"供应电阻丝Cr20Ni80 Cr30Ni70"的类型为电热合金，品牌是FC，型号为Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30，材质是Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30，常温电阻为0.7854（Ω）
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