金属电阻率及其温度系数

1、全系列金属电阻率及其温度系数物质温度t/C电阻率X10-6Q.cm电阻温度系数ar/C-1银201.5860.0038(20C)铜201.6780.00393(20C)金202.400.00324(20C)铝202.65480.00429(20C)钙03.910.00416(0C)皱204.00.025(20C)镁204.450.0165(20C)旬05.2钺205.30.003925(0C100C)鸨275.65锌205.1960.00419(0C100C)钻206.640.00604(0C100C)银206.840.0069(0C100C)镉06.830.0042(0C100C)锢208.

2、37铁209.710.00651(20C)钳2010.60.00374(0C60C)锡011.00.0047(0C100C)锄2012.5貉012.90.003(0C100C)钱2017.4铭018.0葩2020铅2020.684(0.0037620C40C)睇039.0钛2042.0汞5098.4镒23100185.0常用金属导体在20C时的电阻率材料电阻率(Qm)(1)银1.65X10-8(2)铜1.75X10-8(3)铝2.83X10-8(4)鸨5.48X10-8(5)铁9.78X10-8(6)伯2.22X10-7(7)镒铜4.4X10-7(8)汞9.6X10-7(9)康铜5.0X10-

3、7(10)镶铭合金1.0X10-6(11)铁铭铝合金1.4X10-6(12)铝镶铁合金1.6X10-6(13)石墨(813)X10-6金属温度(0C)Pao,100锌20X10-3X10-35.94.2铝(软)202.754.2铝(软)781.64阿露美尔合金20331.2锦038.75.4钺206.53.9锢08.25.1殷钢0752钺209.54.2镉207.44.2钾206.95.1钙204.63.3银201,624.1铭（软）2017镶铭合金（克露美尔）一70110.11.54钻a06.376.58康铜一50,041.01错30494.0黄铜-571.42水银094.080.99水银2

4、095.8锡2011.44.5锢030.33.5青铜-13180.5葩20214.8锦201204.5给20195鸨205.55.3鸨100035钨3000123鸨783.2铝20153.5金属温度（0C）Pao,100杜拉铝（软）一3.4铁（纯）209.86.6铁（纯）784.9铁（钢）一10201.55铁（铸）57114铜（软）201.724.3铜（软）1002.28铜（软）781.03铜（软）1830.30社20182.4钠204.65.5铅20214.2镶铭合金（不含铁）20109.10镶铭合金（含铁）2095104.3.5镇铭林合金一2745.2.34镶（软）207.246.7镶（软）783.9粕2010.63.9粕100043粕786.7粕错合金20221.4铝2010.83.7镶铜锌电阻线3441.25.32镀（软）206.4镁204.54.0镒铜20424803+.02铝205.64.4洋银一1741.4.38锂209.44.6磷青铜一2一6锄