各金属材料的热膨胀系数

Material

10-6 in./in.*/°F

10-5 in./in.*/°C

High

Low

High

Low

锌及其合金Zinc & its Alloysc

19.3

10.8

3.5

1.9

铅及其合金Lead & its Alloysc

16.3

14.4

2.9

2.6

镁合金Magnesium Alloysb

16

14

2.8

2.5

铝及其合金Aluminum & its Alloysc

13.7

11.7

2.5

2.1

锡及其合金Tin & its Alloysc

13

-

2.3

-

锡铝黄铜Tin & Aluminum Brassesc

11.8

10.3

2.1

1.8

黄铜或铅黄铜Plain & Leaded Brassesc

11.6

10

2.1

1.8

银Silverc

10.9

-

2

-

铬镍耐热钢Cr-Ni-Fe Superalloysd

10.5

9.2

1.9

1.7

Heat Resistant Alloys (cast)d

10.5

6.4

1.9

1.1

Nodular or Ductile Irons (cast)c

10.4

6.6

1.9

1.2

不锈钢Stainless Steels (cast)d

10.4

6.4

1.9

1.1

锡青铜Tin Bronzes (cast)c

10.3

10

1.8

1.8

奥氏体不锈钢Austenitic Stainless Steelsc

10.2

9

1.8

1.6

磷硅青铜Phosphor Silicon Bronzesc

10.2

9.6

1.8

1.7

铜Coppersc

9.8

-

1.8

-

Nickel-Base Superalloysd

9.8

7.7

1.8

1.4

铝青铜Aluminum Bronzes (cast)c

9.5

9

1.7

1.6

Cobalt-Base Superalloysd

9.4

6.8

1.7

1.2

铍（青）铜Beryllium Copperc

9.3

-

1.7

-

Cupro-Nickels & Nickel Silversc

9.5

9

1.7

1.6

镍及其合金Nickel & its Alloysd

9.2

6.8

1.7

1.2

铬镍钴耐热钢Cr-Ni-Co-Fe Superalloysd

9.1

8

1.6

1.4

合金钢Alloy Steelsd

8.6

6.3

1.5

1.1

Carbon Free-Cutting Steelsd

8.4

8.1

1.5

1.5

铸造合金钢Alloys Steels (cast)d

8.3

8

1.5

1.4

Age Hardenable Stainless Steelsd

8.2

5.5

1.5

1

金Goldc

7.9

-

1.4

-

High Temperature Steelsd

7.9

6.3

1.4

1.1

Ultra High Strength Steelsd

7.6

5.7

1.4

1

Malleable Ironsc

7.5

5.9

1.3

1.1

Titanium Carbide Cermetd

7.5

4.3

1.3

0.8

Wrought Ironsc

7.4

-

1.3

-

钛及其合金Titanium & its Alloysd

7.1

4.9

1.3

0.9

钴Cobaltd

6.8

-

1.2

-

马氏体不锈钢Martensitic Stainless Steelsc

6.5

5.5

1.2

1

渗氮钢Nitriding Steelsd

6.5

-

1.2

-

钯Palladiumc

6.5

-

1.2

-

铍Berylliumb

6.4

-

1.1

-

Chromium Carbide Cermetc

6.3

5.8

1.1

1

钍Thoriumb

6.2

-

1.1

-

铁素体不锈钢Ferritic Stainless Steelsc

6

5.8

1.1

1

Gray Irons (cast)c

6

-

1.1

-

Beryllium Carbided

5.8

-

1

-

Low Expansion Nickel Alloysc

5.5

1.5

1

0.3

Beryllia & Thoriae

5.3

-

0.9

-

Alumina Cermetsd

5.2

4.7

0.9

0.8

Molybdenum Disilicidec

5.1

-

0.9

-

Rutheniumb

5.1

-

0.9

-

Platinumc

4.9

-

0.9

-

Vanadiumb

4.8

-

0.9

-

Rhodiumb

4.6

-

0.8

-

Tantalum Carbided

4.6

-

0.8

-

Boron Nitrided

4.3

-

0.8

-

铌及其合金Columbium & its Alloys

4.1

3.8

0.7

0.68

Titanium Carbided

4.1

-

0.7

-

Steatitec

4

3.3

0.7

0.6

Tungsten Carbide Cermetc

3.9

2.5

0.7

0.4

铱Iridiumb

3.8

-

0.7

-

Alumina Ceramicsc

3.7

3.1

0.7

0.6

Zirconium Carbided

3.7

-

0.7

-

Osmium and Tantalumb

3.6

-

0.6

-

锆及其合金Zirconium & its Alloysb

3.6

3.1

0.6

0.55

Hafniumb

3.4

-

0.6

-

Zirconiae

3.1

-

0.6

-

钼及其合金Molybdenum & its Alloys

3.1

2.7

0.6

0.5

Silicon Carbidee

2.4

2.2

0.4

0.39

钨Tungstenb

2.2

-

0.4

-

Electrical Ceramicsc

2

-

0.4

-

Zirconc

1.8

1.3

0.3

0.2

Boron Carbidee

1.7

-

0.3

-

Carbon and Graphitec

1.5

1.3

0.3

0.2