常用金属材料的热膨胀系数

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1、常用金属材料的热膨胀系数Material10-6in./in.*/°F10-5in./in.*/°CHighLowHighLow锌及其合金Zinc&itsAlloysc19.310.83.51.9铅及其合金Lead&itsAlloysc16.314.42.92.6镁合金MagnesiumAlloysb16142.82.5铝及其合金Aluminum&itsAlloysc13.711.72.52.1锡及其合金Tin&itsAlloysc13-2.3-锡铝黄铜Tin&AluminumBrassesc11.810.32.11.8黄铜或铅黄铜Plain&LeadedBrassesc11.6

2、102.11.8银Silverc10.9-2-铬镍耐热钢Cr-Ni-FeSuperalloysd10.59.21.91.7HeatResistantAlloys(cast)d10.56.41.91.1NodularorDuctileIrons(cast)c10.46.61.91.2不锈钢StainlessSteels(cast)d10.46.41.91.1锡青铜TinBronzes(cast)c10.3101.81.8奥氏体不锈钢AusteniticStainlessSteelsc10.291.81.6磷硅青铜PhosphorSiliconBronzesc10.29.61.81.

3、7铜Coppersc9.8-1.8-Nickel-BaseSuperalloysd9.87.71.81.4铝青铜AluminumBronzes(cast)c9.591.71.6Cobalt-BaseSuperalloysd9.46.81.71.2铍（青）铜BerylliumCopperc9.3-1.7-Cupro-Nickels&NickelSilversc9.591.71.6镍及其合金Nickel&itsAlloysd9.26.81.71.2铬镍钴耐热钢Cr-Ni-Co-FeSuperalloysd9.181.61.4合金钢AlloySteelsd8.66.31.51.1Car

4、bonFree-CuttingSteelsd8.48.11.51.5铸造合金钢AlloysSteels(cast)d8.381.51.4AgeHardenableStainlessSteelsd8.25.51.51金Goldc7.9-1.4-HighTemperatureSteelsd7.96.31.41.1UltraHighStrengthSteelsd7.65.71.41MalleableIronsc7.55.91.31.1TitaniumCarbideCermetd7.54.31.30.8WroughtIronsc7.4-1.3-钛及其合金Titanium&itsAlloy

5、sd7.14.91.30.9钴Cobaltd6.8-1.2-马氏体不锈钢MartensiticStainlessSteelsc6.55.51.21渗氮钢NitridingSteelsd6.5-1.2-钯Palladiumc6.5-1.2-铍Berylliumb6.4-1.1-ChromiumCarbideCermetc6.35.81.11钍Thoriumb6.2-1.1-铁素体不锈钢FerriticStainlessSteelsc65.81.11GrayIrons(cast)c6-1.1-BerylliumCarbided5.8-1-LowExpansionNickelAlloy

6、sc5.51.510.3Beryllia&Thoriae5.3-0.9-AluminaCermetsd5.24.70.90.8MolybdenumDisilicidec5.1-0.9-Rutheniumb5.1-0.9-Platinumc4.9-0.9-Vanadiumb4.8-0.9-Rhodiumb4.6-0.8-TantalumCarbided4.6-0.8-BoronNitrided4.3-0.8-铌及其合金Columbium&itsAlloys4.13.80.70.68TitaniumCarbided4.1-0.7-Steatitec43.30.70.6Tungsten

7、CarbideCermetc3.92.50.70.4铱Iridiumb3.8-0.7-AluminaCeramicsc3.73.10.70.6ZirconiumCarbided3.7-0.7-OsmiumandTantalumb3.6-0.6-锆及其合金Zirconium&itsAlloysb3.63.10.60.55Hafniumb3.4-0.6-Zirconiae3.1-0.6-钼及其合金Molybdenum&itsAlloys3.12.70.60.5SiliconCarbi