热膨胀系数表

Material

c

-610 in./in.*/ °F

High Low 19.3 10.8

10 -5 in./in.*/ High 3.5 2.9 2.8 2.5 2.3 2.1 2.1 2 1.9 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.5 1.5 1.5 1.5 1.4 1.4 1.4 1.3 1.3 1.3 1.3 1.2 1.2 1.2 1.2 1.1 1.1 1.1

Low

°C

Zinc & its Alloys Lead & its Alloys

c

1.9 2.6 2.5 2.1 - 1.8 1.8 - 1.7 1.1 1.2 1.1 1.8 1.6 1.7 - 1.4 1.6 1.2 - 1.6 1.2 1.4 1.1 1.5 1.4 1 - 1.1 1 1.1 0.8 - 0.9 - 1 - - - 1 -

c

16.3 16 13.7 13

c

14.4 14 11.7 - 10.3 10 - 9.2 6.4 6.6 6.4 10 9 9.6 - 7.7 9 6.8 - 9 6.8 8 6.3 8.1 8 5.5 - 6.3 5.7 5.9 4.3 - 4.9 - 5.5 - - - 5.8 -

Magnesium Alloys

b

Aluminum & its Alloys Tin & its Alloys

c

Tin & Aluminum Brasses

c

Plain & Leaded Brasses

c

Silver

d

Cr-Ni-Fe Superalloys

11.8 11.6 10.9 10.5

d

c

Heat Resistant Alloys (cast)

10.5 10.4 10.4 10.3

Nodular or Ductile Irons (cast)

d

Stainless Steels (cast)

c

Tin Bronzes (cast)

Austenitic Stainless Steels Phosphor Silicon Bronzes Coppers c

c

10.2 10.2 9.8 9.8

c

Nickel-Base Superalloys

d

Aluminum Bronzes (cast) Cobalt-Base Superalloys Beryllium Copper

c

c d

9.5 9.4

9.3

c

Cupro-Nickels & Nickel Silvers

d

Nickel & its Alloys Cr-Ni-Co-Fe Superalloys Alloy Steels

d

d

9.5 9.2 9.1 8.6

Carbon Free-Cutting Steels

d

Alloys Steels (cast)

d

8.4 8.3

d

Age Hardenable Stainless Steels

Gold c

d

High Temperature Steels

8.2 7.9 7.9

Ultra High Strength Steels Malleable Irons

c

d

7.6 7.5 7.5 7.4 7.1 6.8

Titanium Carbide Cermet Wrought Irons

c

d

Titanium & its Alloys Cobalt d

d

Martensitic Stainless Steels Nitriding Steels Palladium Beryllium

c b

d

c

6.5 6.5 6.5 6.4 6.3 6.2

Chromium Carbide Cermet Thorium

b

c

Ferritic Stainless Steels Gray Irons (cast) Beryllium Carbide

c

c

6 6 5.8 5.5 5.3 5.2 5.1 5.1 4.9 4.8 4.6

5.8 - - 1.5 - 4.7 - - - - - - - 3.8 - 3.3 2.5 - 3.1 - - 3.1 - - 2.7 2.2 - - 1.3 - 1.3

1.1 1.1 1 1 0.9 0.9 0.9 0.9 0.9 0.9 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.4 0.4 0.4 0.3 0.3 0.3

1 - - 0.3 - 0.8 - - - - - - - 0.68 - 0.6 0.4 - 0.6 - - 0.55 - - 0.5 0.39 - - 0.2 - 0.2

d

Low Expansion Nickel Alloys Beryllia & Thoria Alumina Cermets

e

c

d

Molybdenum Disilicide

c

Ruthenium

b

Platinum c Vanadium b Rhodium

b

Tantalum Carbide Boron Nitride

d

4.6 4.3 4.1 4.1 4 3.9 3.8 3.7 3.7 3.6 3.6 3.4 3.1 3.1 2.4 2.2 2 1.8

d

Columbium & its Alloys Titanium Carbide Steatite

c

d

Tungsten Carbide Cermet Iridium

b

c

Alumina Ceramics

Zirconium Carbide

c d

Osmium and Tantalum

Zirconium & its Alloys

b

Hafnium Zirconia

e

b

b

Molybdenum & its Alloys e Silicon Carbide

b

Tungsten Electrical Ceramics Zircon c Boron Carbide

c

e

1.7 1.5

Carbon and Graphite

c