Material

10-6 in./in.*/°F

10-5 in./in.*/°C

High

Low

High

Low

鋅及其合金Zinc & its Alloysc

19.3

10.8

3.5

1.9

鉛及其合金Lead & its Alloysc

16.3

14.4

2.9

2.6

鎂合金Magnesium Alloysb

16

14

2.8

2.5

鋁及其合金Aluminum & its Alloysc

13.7

11.7

2.5

2.1

錫及其合金Tin & its Alloysc

13

-

2.3

-

錫鋁黃銅Tin & Aluminum Brassesc

11.8

10.3

2.1

1.8

黃銅或鉛黃銅Plain & Leaded Brassesc

11.6

10

2.1

1.8

銀Silverc

10.9

-

2

-

鉻鎳耐熱鋼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

不鏽鋼Stainless Steels (cast)d

10.4

6.4

1.9

1.1

錫青銅Tin Bronzes (cast)c

10.3

10

1.8

1.8

奧氏體不鏽鋼Austenitic Stainless Steelsc

10.2

9

1.8

1.6

磷矽青銅Phosphor Silicon Bronzesc

10.2

9.6

1.8

1.7

銅Coppersc

9.8

-

1.8

-

Nickel-Base Superalloysd

9.8

7.7

1.8

1.4

鋁青銅Aluminum Bronzes (cast)c

9.5

9

1.7

1.6

Cobalt-Base Superalloysd

9.4

6.8

1.7

1.2

鈹（青）銅Beryllium Copperc

9.3

-

1.7

-

Cupro-Nickels & Nickel Silversc

9.5

9

1.7

1.6

鎳及其合金Nickel & its Alloysd

9.2

6.8

1.7

1.2

鉻鎳鈷耐熱鋼Cr-Ni-Co-Fe Superalloysd

9.1

8

1.6

1.4

合金鋼Alloy Steelsd

8.6

6.3

1.5

1.1

Carbon Free-Cutting Steelsd

8.4

8.1

1.5

1.5

鑄造合金鋼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

-

鈦及其合金Titanium & its Alloysd

7.1

4.9

1.3

0.9

鈷Cobaltd

6.8

-

1.2

-

馬氏體不鏽鋼Martensitic Stainless Steelsc

6.5

5.5

1.2

1

滲氮鋼Nitriding Steelsd

6.5

-

1.2

-

鈀Palladiumc

6.5

-

1.2

-

鈹Berylliumb

6.4

-

1.1

-

Chromium Carbide Cermetc

6.3

5.8

1.1

1

釷Thoriumb

6.2

-

1.1

-

鐵素體不鏽鋼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

-

鈮及其合金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

銥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

-

鋯及其合金Zirconium & its Alloysb

3.6

3.1

0.6

0.55

Hafniumb

3.4

-

0.6

-

Zirconiae

3.1

-

0.6

-

鉬及其合金Molybdenum & its Alloys

3.1

2.7

0.6

0.5

Silicon Carbidee

2.4

2.2

0.4

0.39

鎢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