常用金属材料的热膨胀系数

常用金属材料的热膨胀系数

Material

锌及其合金Zinc & its Alloysc镁合金Magnesium Alloysb铝及其合金Aluminum & itsAlloysc

锡及其合金Tin & its Alloysc锡铝黄铜Tin & AluminumBrassesc

10-6 in./in.*/°F10-5 in./in.*/°CHigh19.31613.71311.8

Low10.814.41411.7-10.310-9.26.46.66.41099.6-High3.52.92.82.52.32.12.121.91.91.91.91.81.81.81.8

Low1.92.62.52.1-1.81.8-1.71.11.21.11.81.61.7-铅及其合金Lead & its Alloysc16.3

黄铜或铅黄铜Plain & Leaded

11.6

Brassesc银Silverc

铬镍耐热钢Cr-Ni-FeSuperalloysd

Nodular or Ductile Irons(cast)c

锡青铜Tin Bronzes (cast)c奥氏体不锈钢AusteniticStainless Steelsc磷硅青铜Phosphor SiliconBronzesc铜Coppersc

10.910.5

Heat Resistant Alloys (cast)d10.5

10.4

不锈钢Stainless Steels (cast)d10.4

10.310.210.29.8

Nickel-Base Superalloysd铝青铜Aluminum Bronzes(cast)c

Cobalt-Base SuperalloysdCupro-Nickels & NickelSilversc

铬镍钴耐热钢Cr-Ni-Co-FeSuperalloysd合金钢Alloy Steelsd铸造合金钢Alloys Steels(cast)d

Age Hardenable StainlessSteelsd金Goldc

High Temperature SteelsdUltra High Strength SteelsdMalleable Ironsc

Titanium Carbide CermetdWrought Ironsc

钛及其合金Titanium & itsAlloysd钴Cobaltd

马氏体不锈钢MartensiticStainless Steelsc

9..59.4

7.796.8-96.886.38.185.5-6.35.75.94.3-4.9-5.51.81.71.71.71.71.71.61.51.51.51.51.41.41.41.31.31.31.31.21.2

1.41.61.2-1.61.21.41.11.51.41-1.111.10.8-0.9-1铍（青）铜Beryllium Copperc9.3

9.5

镍及其合金Nickel & its Alloysd9.2

9.18.6

Carbon Free-Cutting Steelsd8.4

8.38.27.97.97.67.57.57.47.16.86.5

渗氮钢Nitriding Steelsd钯Palladiumc铍Berylliumb

Chromium Carbide Cermetc钍Thoriumb

6.56.56.46.36.2

---5.8-5.8--1.5-4.7-------3.8-3.32.5-3.11.21.21.11.11.11.11.1110.90.90.90.90.90.90.80.80.80.70.70.70.70.70.7

---1-1--0.3-0.8-------0.68-0.60.4-0.6铁素体不锈钢Ferritic Stainless

6

Steelsc

Gray Irons (cast)cBeryllium CarbidedBeryllia & ThoriaeAlumina CermetsdMolybdenum DisilicidecRutheniumbPlatinumcVanadiumbRhodiumbTantalum CarbidedBoron Nitrided

铌及其合金Columbium & itsAlloys

Titanium CarbidedSteatitec

Tungsten Carbide Cermetc铱Iridiumb

Alumina Ceramicsc

65.85.35.25.15.14.94.84...34.14.143.93.83.7

Low Expansion Nickel Alloysc5.5

Zirconium CarbidedOsmium and Tantalumb锆及其合金Zirconium & itsAlloysbHafniumbZirconiae

3.73.63.63.43.1

--3.1--2.72.2--1.3-1.30.70.60.60.60.60.60.40.40.40.30.30.3

--0.55--0.50.39--0.2-0.2钼及其合金Molybdenum & its

3.1

Alloys

Silicon Carbidee钨TungstenbElectrical CeramicscZirconcBoron CarbideeCarbon and Graphitec

2.42.221.81.71.5