电阻丝设计公式.xls

单位计算公式单位圈径D40 mm电阻R8.8 丝径d2.5 mm电流I25 A加热长度S1100 mm丝长L（功率算）30.44982699 M圈距l（计划）4.5 mm表面积2390.311419 cm2功率P5500 w表面热负荷2.300955414 w/cm2每米表面积78.5 cm2/m丝长L（绕丝算）30.70222222 M电压U220 V圈距（计算）4.5373 mm每米电阻率0.289重量0.283518339 kg每米重量0.009311 kg/m计算78.5电阻丝传真[phone]单位计算公式单位圈径D40 mm电阻R4.84 丝径d3.5 mm电流I45.45454545 A加热长度S2400 mm丝长L（功率算）41.36752137 M圈距l（计划）7.5 mm表面积4550.42735 cm2功率P10000 w表面热负荷2.197595793 w/cm2每米表面积110 cm2/m丝长L（绕丝算）40.192 M电压U220 V圈距（计算）7.286876033 mm每米电阻率0.117重量2.945367521 kg每米重量0.0712 kg/m计算109.9单位计算公式单位圈径D38 mm电阻R3.226666667 丝径d4.5 mm电流I68.18181818 A加热长度S4000 mm丝长L（功率算）45.44600939 M圈距l（计划）10.5 mm表面积6407.887324 cm2功率P15000 w表面热负荷2.340865131 w/cm2每米表面积141 cm2/m丝长L（绕丝算）45.4552381 M电压U220 V圈距（计算）10.50213223 mm每米电阻率0.071重量3.598415023 kg每米重量0.07918 kg/m计算141.3单位计算公式单位圈径D35 mm电阻R4.84 丝径d4 mm电流I45.45454545 A加热长度S6400 mm丝长L（功率算）53.77777778 M圈距l（计划）13 mm表面积6754.488889 cm2功率P10000 w表面热负荷1.480496921 w/cm2每米表面积125.6 cm2/m丝长L（绕丝算）54.10461538 M电压U220 V圈距（计算）13.07900826 mm每米电阻率0.09重量5.560622222 kg每米重量0.1034 kg/m计算125.6单位计算公式单位圈径D33 mm电阻R22 丝径d1.4 mm电流I10 A加热长度S750 mm丝长L（功率算）23.86117137 M圈距l（计划）3.3 mm表面积1049.89154 cm2功率P2200 w表面热负荷2.095454545 w/cm2每米表面积44 cm2/m丝长L（绕丝算）23.55 M电压U220 V圈距（计算）3.256965 mm每米电阻率0.922重量0.260802603 kg每米重量0.01093 kg/m计算43.9615X0.8单位计算公式单位圈径D38 mm电阻R7.22 丝径d5 mm电流I52.63157895 A加热长度S4400 mm丝长L（功率算）56.62745098 M圈距l（计划）12 mm表面积17894.27451 cm2功率P20000 w表面热负荷1.117675935 w/cm2每米表面积316 cm2/m丝长L（绕丝算）43.75066667 M电压U380 V圈距（计算）9.271263158 mm每米电阻率0.1275重量4.824658824 kg每米重量0.0852 kg/m计算15715X1.5单位计算公式单位圈径D38 mm电阻R4.813333333 丝径d5 mm电流I78.94736842 A加热长度S4400 mm丝长L（功率算）70.78431373 M圈距l（计划）12 mm表面积23358.82353 cm2功率P30000 w表面热负荷1.284311257 w/cm2每米表面积330 cm2/m丝长L（绕丝算）43.75066667 M电压U380 V圈距（计算）7.417010526 mm每米电阻率0.068重量11.30779412 kg每米重量0.15975 kg/m计算15715X2单位计算公式单位圈径D38 mm电阻R3.61 丝径d5 mm电流I105.2631579 A加热长度S4400 mm丝长L（功率算）70.78431373 M圈距l（计划）12 mm表面积24066.66667 cm2功率P40000 w表面热负荷1.662049861 w/cm2每米表面积340 cm2/m丝长L（绕丝算）43.75066667 M电压U380 V圈距（计算）7.417010526 mm每米电阻率0.051重量15.07705882 kg每米重量0.213 kg/m计算157抚顺10X2单位计算公式单位圈径D40 mm电阻R4.84 丝径d4 mm电流I45.45454545 A加热长度S6400 mm丝长L（功率算）53.77777778 M圈距l（计划）15 mm表面积6722.222222 cm2功率P10000 w表面热负荷1.487603306 w/cm2每米表面积125 cm2/m丝长L（绕丝算）53.58933333 M电压U220 V圈距（计算）14.94743802 mm每米电阻率0.09重量5.560622222 kg每米重量0.1034 kg/m计算125.6兰州10X2单位计算公式单位圈径D40 mm电阻R6.05 丝径d3.5 mm电流I36.36363636 A加热长度S4000 mm丝长L（功率算）51.70940171 M圈距l（计划）9.5 mm表面积5688.034188 cm2功率P8000 w表面热负荷1.406461307 w/cm2每米表面积110 cm2/m丝长L（绕丝算）52.88421053 M电压U220 V圈距（计算）9.715834711 mm每米电阻率0.117重量5.346752137 kg每米重量0.1034 kg/m计算109.9兰州10X2单位计算公式单位圈径D40 mm电阻R4.84 丝径d4 mm电流I45.45454545 A加热长度S4000 mm丝长L（功率算）53.77777778 M圈距l（计划）9.5 mm表面积6722.222222 cm2功率P10000 w表面热负荷1.487603306 w/cm2每米表面积125 cm2/m丝长L（绕丝算）52.88421053 M电压U220 V圈距（计算）9.34214876 mm每米电阻率0.09重量5.560622222 kg每米重量0.1034 kg/m计算125.6镍镍铬铬、镍镍铬铬铁铁系系列列-换换算算表表直径截面积每米Cr20Ni80,Cr30Ni70,Cr15Ni60Cr20Ni30,Cr20Ni35(mm)(mm2)表面积电阻率电阻率(cm2/m)m1.091.200.05 m1.04-1.060.0520C每千克长度(m/kg)每米重量(kg/m)20C每米电阻(/m)每米电阻(/m)0.10.00783.14143.9155780.0000641132.40.123.7799.9107530.000092991.960.150.01774.7163.9468650.000145658.850.170.02275.349.7853530.000186845.820.190.02845.9739.8542780.000233736.860.210.03466.629.7231980.000312627.360.250.04917.8522.8624750.00040421.190.270.05738.4818.3519730.000506816.890.290.06619.1115.9817180.00058214.710.310.07559.7414.0515110.000661812.930.350.09621111.7412630.000791710.810.40.125712.578.992966.60.0010358.2760.450.15914.147.105764.20.0013096.5390.50.196315.715.7556190.0016165.2970.60.28318.854.103429.40.0023293.7490.70.385223.014315.60.0031692.7540.80.50325.12.308241.60.0041392.1090.90.63628.31.8231910.0052361.66610.78531.41.477154.80.006461.351.21.13137.70.999107.40.0093110.91961.41.539440.73478.950.012670.67561.63.0150.30.56260.450.016540.51731.82.5456.50.44447.840.02090.408723.1462.80.3638.70.025840.3312.23.869.10.29731.980.031270.27362.54.9178.50.205322.890.043690.21092.86.16880.18419.730.050680.168937.0794.20.1617.190.058170.14713.59.621100.11712.630.079180.1081412.57125.70.099.6670.10340.082764.515.9141.40.0717.6420.13090.06539519.63157.10.0566.190.16160.052975.523.8172.80.0495.1050.19590.04462628.3188.50.0414.2940.23290.037496.533.22040.0353.660.27320.03194738.52200.033.1560.31690.02754单位计算公式单位圈径D36 mm电阻R2.42 丝径d6 mm电流I90.90909091 A加热长度S5500 mm丝长L（功率算）48.20717131 M圈距l（计划）13 mm表面积9082.231076 cm2功率P20000 w表面热负荷2.202102086 w/cm2每米表面积188.4 cm2/m丝长L（绕丝算）47.82461538 M电压U220 V圈距（计算）12.89683636 mm每米电阻率 0.0502重量0.448326693 kg每米重量0.0093 kg/m计算188.4单位计算公式单位圈径D38 mm电阻R3.226666667 丝径d5 mm电流I68.18181818 A加热长度S4400 mm丝长L（功率算）44.62886123 M圈距l（计划）12 mm表面积7006.731213 cm2功率P15000 w表面热负荷2.140798547 w/cm2每米表面积157 cm2/m丝长L（绕丝算）43.75066667 M电压U220 V圈距（计算）11.76386727 mm每米电阻率 0.0723重量0.415048409 kg每米重量0.0093 kg/m计算15715X0.8单位计算公式单位圈径D38 mm电阻R7.22 丝径d5 mm电流I52.63157895 A加热长度S4400 mm丝长L（功率算）70.78431373 M圈距l（计划）12 mm表面积22367.84314 cm2功率P20000 w表面热负荷0.894140748 w/cm2每米表面积316 cm2/m丝长L（绕丝算）43.75066667 M电压U380 V圈距（计算）7.417010526 mm每米电阻率0.102重量6.030823529 kg每米重量0.0852 kg/m计算157每千克长度(m/kg)每米重量(kg/m)162280.0000616112020.00008927151.50.000145576.30.0001794457.10.0002243331.10.00032578.10.0003882054.90.0004871790.70.0005581574.40.0006351315.80.0007610070.000993796.10.00126644.80.00155447.30.00224328.80.00304251.70.003971990.00503161.30.0062111.90.0089482.250.0121662.980.0158849.840.0200640.310.0240833.310.0300223.840.0419520.550.0486617.90.0558713.160.0759910.070.09937.9610.12566.4480.15515.3190.1884.4730.22363.8130.26233.2880.3041Cr20Ni30,Cr20Ni35电阻率 m1.04-1.060.05镍镍铬铬、镍镍铬铬铁铁系系列列-换换算算表表直径截面积每米Cr20Ni80,Cr30Ni70,Cr15Ni60Cr20Ni30,Cr20Ni35(mm)(mm2)表面积电阻率电阻率(cm2/m)m1.091.200.05 m1.04-1.060.0520C每千克长度(m/kg)每米重量(kg/m)20C每千克长度(m/kg)每米重量(kg/m)每米电阻(/m)每米电阻(/m)0.10.00783.14143.9155780.0000641132.4162280.00006160.120.01133.7799.9107530.000092991.96112020.00008920.150.01774.7163.9468650.000145658.857151.50.000140.170.02275.349.7853530.000186845.825576.30.0001790.190.02845.9739.8542780.000233736.864457.10.0002240.210.03466.629.7231980.000312627.363331.10.00030.250.04917.8522.8624750.00040421.192578.10.0003880.270.05738.4818.3519730.000506816.892054.90.0004870.290.06619.1115.9817180.00058214.711790.70.0005580.310.07559.7414.0515110.000661812.931574.40.0006350.350.09621111.7412630.000791710.811315.80.000760.40.125712.578.992966.60.0010358.27610070.0009930.450.15914.147.105764.20.0013096.539796.10.001260.50.196315.715.7556190.0016165.297644.80.001550.60.28318.854.103429.40.0023293.749447.30.002240.70.385223.014315.60.0031692.754328.80.003040.80.50325.12.308241.60.0041392.109251.70.003970.90.63628.31.8231910.0052361.6661990.0050310.78531.41.477154.80.006461.35161.30.00621.21.13137.70.999107.40.0093110.9196111.90.008941.41.539440.73478.950.012670.675682.250.012161.63.0150.30.56260.450.016540.517362.980.015881.82.5456.50.44447.840.02090.408749.840.0200623.1462.80.3638.70.025840.33140.310.024082.23.869.10.29731.980.031270.273633.310.030022.54.9178.50.205322.890.043690.210923.840.041952.86.16880.18419.730.050680.168920.550.0486637.0794.20.1617.190.058170.147117.90.055873.59.621100.11712.630.079180.108113.160.07599412.57125.70.099.6670.10340.0827610.070.09934.515.9141.40.0717.6420.13090.065397.9610.1256519.63157.10.0566.190.16160.052976.4480.15515.523.8172.80.0495.1050.19590.044625.3190.188628.3188.50.0414.2940.23290.037494.4730.22366.533.22040.0353.660.27320.031943.8130.2623738.52200.033.1560.31690.027543.2880.3041镍镍铬铬系系列列-参参数数表表牌号/性能Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30主要化学成分NiRestRest55.0-61.034.0-37.030.0-34.0Cr20.0-23.028.0-31.015.0-18.018.0-21.018.0-21.0Fe1.01.0RestRestRest元件最高使用温度(C)12001250115011001100电阻率20C(m)1.091.181.1211.04密度(g/cm3)8.48.18.27.97.9导热系数(KJ/mhC)60.345.245.243.843.8线胀系数(10-6/C)1817171919熔点约值(C)14001380139013901390延伸率(%)2020202020显微组织austeniteausteniteausteniteausteniteaustenite磁性nonmagneticnonmagneticnonmagneticWeakmagneticWeakmagnetic铁铁铬铬铝铝系系列列直直径径及及其其特特性性（换换算算表表1）直径截面积每米0Cr23Al50Cr21Al4(mm)(mm2)表面积电阻率电阻率(cm2/m)m1.350.06 m1.230.0620C每千克长度(m/kg)每米重量(kg/m)20C每千克长度(m/kg)每米重量(kg/m)每米电阻(/m)每米电阻(/m)0.10.00783.14173.1176830.0000566156.6174520.00005730.120.01133.77119.5122060.0000819108.8120330.00008310.150.01774.7176.477930.00012869.676920.000130.170.02275.3459.560760.00016554.259880.0001670.190.02845.9747.548540.0020643.447850.0002090.210.03466.635.539860.00027635.539370.0002540.250.04917.8527.528090.00035625.127700.0003610.270.05738.4821.924070.00044721.523750.0004210.290.06619.1119.120870.00051318.620580.0004860.310.07559.7416.818270.00058316.318020.0005550.350.0962111414340.00069712.814140.0007070.40.125712.5710.710970.0009119.7910820.0009240.450.15914.148.498670.001157.738550.001170.50.196315.716.887030.001426.266940.001440.60.28318.854.774960.002054.354800.002080.70.385223.513580.002793.23530.002830.80.50325.12.692740.003652.452700.0036970.90.63628.32.122170.004611.932130.00467510.78531.41.721760.005691.571730.005771.21.13137.71.1941220.00821.091200.0083131.41.539440.87789.60.011160.79988.40.011311.63.0150.30.67268.60.014570.61267.70.014771.82.5456.50.53254.30.018420.48353.560.0186723.1462.80.4343.90.022770.39243.330.023082.23.869.10.35536.30.027550.32435.80.027932.54.9178.50.27528.10.038490.25127.710.036092.86.16880.21922.40.044660.222.080.0452837.0794.20.19119.50.051260.17419.250.051963.59.621100.1414.30.069750.127814.140.07071412.57125.70.107110.091130.097910.820.092394.515.9141.40.08498.670.11530.07738.550.1169519.63157.10.06887.030.14230.06266.930.14435.523.8172.80.05685.80.17260.05185.720.1749628.3188.50.04774.880.20520.04354.810.2086.533.22040.04074.150.24070.03714.090.244738.52200.03513.580.27910.0323.530.283铁铁铬铬铝铝系系列列直直径径及及其其特特性性（换换算算表表2）直径截面积每米1Cr13Al40Cr25Al5(mm)(mm2)表面积电阻率电阻率(cm2/m)m1.250.08 m1.420.0720C每千克长度(m/kg)每米重量(kg/m)20C每千克长度(m/kg)每米重量(kg/m)每米电阻(/m)每米电阻(/m)0.10.00783.14159.2172060.0000581180.6179330.00005580.120.01133.77110.5119490.0000836125.6124530.00008030.150.01774.7170.776470.00013180.479700.0001250.170.02275.3455.159540.00016862.662050.0001610.190.02845.9744.147660.0002150.149590.0002010.210.03466.636.139010.0002564140660.0002460.250.04917.8525.527530.00036328.928700.0003460.270.05738.4821.823600.00042424.824600.0004070.290.06619.1118.920460.00048921.521320.0004690.310.07559.7416.617900.00055918.818660.0005360.350.0962111314050.00071214.814640.0006830.40.125712.579.9510750.0009311.311210.0008920.450.15914.147.868500.0011778.938860.0011290.50.196315.716.376880.0014537.237170.0013940.60.28318.854.424800.0020925.024980.002010.70.385223.253510.0028483.693660.002730.80.50325.12.492690.003722.832800.003570.90.63628.31.962120.0047082.232210.0045210.78531.41.591720.0058121.808179.50.005571.21.13137.71.111190.0083691.256124.50.008031.41.539440.81287.80.0011390.92291.50.010931.63.0150.30.62267.20.014880.70670.10.014271.82.5456.50.49153.10.018830.55855.50.0180323.1462.80.398430.023250.45244.80.02232.23.869.10.32935.50.028130.374370.0272.54.9178.50.25527.50.036320.28928.70.03492.86.16880.20321.90.045570.23122.90.043737.0794.20.176819.10.052310.20119.920.05023.59.621100.1299140.07120.147614.640.0683412.57125.70.099510.750.092990.11311.210.08924.515.9141.40.07868.50.11770.08938.860.1129519.63157.10.06376.880.14530.07237.170.13945.523.8172.80.05265.690.17580.05985.920.169628.3188.50.04424.780.20920.05024.980.2016.533.22040.03774.070.24560.04284.240.236738.52200.03253.510.28480.03693.660.273铁铁铬铬系系列列-参参数数表表牌号/性能1Cr13Al40Cr25Al50Cr21Al60Cr23Al50Cr21Al40Cr21Al6Nb0Cr27Al7Mo2主要化学成分Cr12.0-15.023.0-26.019.0-22.022.5-24.518.0-21.021.0-23.026.5-27.8Al4.0-6.04.5-6.55.0-7.04.2-5.03.0-4.25.0-7.06.0-7.0ReopportuneopportuneopportuneopportuneopportuneopportuneopportuneFeRestRestRestRestRestRestRestNb0.5Mo1.8-2.2元件最高使用温度(C)650125012501250110013501400电阻率20C(m)1.251.421.421.351.231.451.53密度(g/cm3)7.47.17.167.257.357.17.1导热系数(KJ/mhC)52.746.163.260.246.946.145.2线胀系数(10-6/C)15.41614.71513.51616熔点约值(C)1450150015001500150015101520抗张系数(N/mm2)580-680630-780630-780630-780600-700650-800680-830延伸率(%)16121212121210断面收缩率(%)65-7560-7565-7565-7565-7565-7565-75反复弯曲数(F/R)5555555硬度(H.B.)200-260200-260200-260200-260200-260200-260200-260显微组织FerriteFerriteFerriteFerriteFerriteFerriteFerrite磁性MagneticMagneticMagneticMagneticMagneticMagneticMagnetic铁铁铬铬铝铝、镍镍铬铬、镍镍铬铬铁铁扁扁带带规规格格及及其其特特性性（换换算算表表1）宽厚截面积(mm2)0Cr25Al50Cr21Al4Cr20Ni80(mm)电阻率,电阻率,电阻率,1.420.06m1.230.06m1.091.140.05m20C每千克长度(m/kg)每米重量(kg/m)20C每千克长度(m/kg)每米重量(kg/m)20C每米电阻(/m)每米电阻(/m)每米电阻(/m)100.54.90.2928.740.034790.25127.760.036020.2220.87.840.181117.970.055660.156917.350.057620.13919.80.144914.370.069580.125513.880.072030.1151.211.760.120711.980.08350.104611.570.086440.09611.514.70.09669.580.104370.08379.260.108050.0769219.60.07247.190.13920.06286.940.144060.0577150.811.760.120711.980.08350.104611.570.086440.0927114.70.09669.580.104370.08379.260.108050.07691.217.640.08057.980.125240.06977.710.12970.06411.522.050.06446.390.156560.05586.170.162070.0512229.40.04834.790.208740.04184.630.216090.03842.536.750.03863.830.260930.03353.70.270110.0307200.815.680.09068.980.111330.07848.680.115250.0695119.60.07247.190.139160.06286.940.144060.05771.223.520.06045.990.166990.05235.780.172870.0481.529.40.04834.790.208740.04184.630.216090.0384239.20.03623.590.278320.03143.470.288120.02882.5490.0292.870.34790.02512.780.360150.0231358.80.02412.40.417480.02092.310.432180.0192251.024.50.0585.750.173950.05025.550.180080.04611.229.40.04834.790.208740.04184.630.216090.03841.536.750.03863.830.260930.03353.70.270110.03072490.0292.870.34790.02512.780.360150.02312.561.250.02322.30.434880.02012.220.450190.0184373.50.01931.920.521850.01671.850.540230.0154301.029.40.04834.790.208740.04184.630.216090.03841.235.280.04023.990.250490.03493.680.259310.0321.544.10.03223.190.313110.02793.090.324140.0256258.80.02412.40.417480.02092.310.432180.01922.573.50.01931.920.521850.01671.850.540230.0154388.20.01611.60.626220.01391.540.648270.01283.5102.90.01381.370.730590.0121.320.756320.0111351.034.30.04144.110.243530.03593.970.252110.03291.241.160.03453.420.292440.02993.310.302530.02751.551.450.02762.740.36530.02392.640.378160.022268.60.02072.050.487060.01791.980.504210.01652.585.750.01661.640.608830.01431.590.630260.01323102.90.01381.370.730590.0121.320.756320.0113.5120.10.01181.170.852710.01021.130.882740.0095401.039.20.03623.590.278320.03143.470.288120.02881.247.040.03022.990.333980.02612.890.345740.0241.558.80.02412.40.417480.02092.310.432180.0192278.40.01811.80.556640.01571.740.576240.01442.5980.01451.440.69580.01261.390.72030.01153117.60.01211.20.834960.01051.160.864360.00963.5137.20.01031.030.974120.0090.991.008420.00834156.80.00910.8981.113280.00780.871.152480.0073铁铁铬铬铝铝、镍镍铬铬、镍镍铬铬铁铁扁扁带带规规格格及及其其特特性性（换换算算表表2）宽厚截面积(mm2)0Cr25Al50Cr21Al4Cr20Ni80(mm)电阻率,电阻率,电阻率,1.420.06m1.230.06m1.091.140.05m20C每千克长度(m/kg)每米重量(kg/m)20C每千克长度(m/kg)每米重量(kg/m)20C每米电阻(/m)每米电阻(/m)每米电阻(/m)0.080.20.015293.4292660.00010880.9289510.00011271.710.40.030446.7146330.00021640.4644750.00022335.860.60.045631.143.890.00032426.9729840.00033523.90.80.060823.3623170.00043220.2322380.00044717.9310.07618.6815840.0005416.1817900.00055914.871.20.091215.5715440.00064813.4914920.0006712.391.50.11412.4612350.00080910.7911930.0008389.91220.1529.3429270.00108