常用材料的线膨胀系数一览表(共2页).doc

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（Cr5MoCr9Mo）8.468.909.369.7710.1610.5210.9111.1511.3911.6611.9012