常用材料的线膨胀系数一览表(共2页).doc

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1、精选优质文档-倾情为你奉上常用材料的线膨胀系数一览表不同温度下钢材的平均线膨胀系数值如表1所示。非金属材料的线膨胀系数如表2所示表1 不同温度下钢材的平均线膨胀系数值材料在下列温度与20之间的平均线膨胀系数，“”， 10-6-1-196-150-100-50050100150200250300350400450500550600650700750800碳素钢、碳钼钢、低铬钼钢（至Cr3Mo）9.19.449.8910.3910.7611.1211.5311.8812.2512.5612.9013.2413.5813.9314.2214.4214.6214.7414.9015.02铬钼钢（Cr5

2、MoCr9Mo）8.468.909.369.7710.1610.5210.9111.1511.3911.6611.9012.1512.3812.6312.8613.0513.1813.3513.4813.58奥氏体不锈钢（Cr18-Ni9）14.6715.0815.4515.9716.2816.5416.8417.0617.2517.4217.6117.7917.9918.1918.3418.5818.7118.8718.9719.0719.29高铬钢（Cr13、 Cr17）7.748.108.448.959.299.599.9410.2010.4510.6710.9611.1911.4111

3、.6111.8111.9712.1112.2112.3212.41Cr25-Ni2015.8415.9816.0516.0616.0716.1116.1316.1716.3316.5616.6616.9117.1417.20蒙 纳 尔（Mone1）Ni67-Cu309.9911.0612.1312.8313.2613.6914.1614.4514.7415.0615.3615.6715.9816.2816.6016.9017.1517.4717.7718.07铝17.8218.7319.5820.7921.7322.5223.3823.9424.4424.9425.42灰铸铁10.3910.6

4、810.9711.2611.5511.8512.1412.4212.71青铜15.1215.4415.7616.3516.9717.5118.0718.2318.4018.5518.7318.8819.0419.2019.3419.4919.7119.85黄铜14.7615.0315.3415.9216.5617.1117.6218.1918.3818.7719.1419.5019.8920.2720.6621.0521.3421.77Cu70-Ni3011.9712.6513.4313.9914.4814.9415.4115.6915.99表2 非金属材料的线膨胀系数材料名称线膨胀系数a，1

5、/材料名称线膨胀系数a，1/砖（20）水泥、混凝土（20）胶木、硬橡皮（20）赛璐珞（20100）有机玻璃（20100）辉绿岩板耐酸陶砖、陶板不透性石墨板（浸渍型）硬聚氯乙烯（1060）玻璃管道（0500）玻璃（2O100）9.510-6（1014）10-6（6477）10-610010-613010-6110-6（4.56）10-65.510-65910-6510-6411.510-6粘土质耐火制品（201300）硅质耐火制品（201670）高品质耐火制品（201200）刚玉制品陶瓷、工业瓷（管）石英玻璃花岗石聚酰胺（尼龙6）聚酰胺（尼龙1O10）聚四氟乙烯（纯）5.21067.410661068.110-6（36）1O-65.11O-781O-6（1114）10-5（1.41.6）10-5（1.12.56）10-4专心-专注-专业