TABLE 17.4 Coefficients of Thermal Expansion for Selected Materials*
Coefficient of Thermal Coefficient of Thermal
Material Expansion (1/C) 106 Expansion (1/F) 106Aluminum alloys 23 13
Brass 19.1– 21.2 10.6 –11.8
Bronze 18 – 21 9.9 –11.6
Cast iron 9.9 –12 5.5 – 6.6
Concrete 7–14 4 – 8
Copper alloys 16.6 –17.6 9.2 – 9.8
Glass 5 –11 3 – 6
Magnesium alloys 26.1– 28.8 14.5 –16.0
Nickel 13 7.2
Plastics
Nylon 70 –140 40 – 80
Polyethylene 140 – 290 80 –160
Rock 5 – 9 3 –5
Rubber 130 – 200 70 –110
Steel 10 –18 5.5 – 9.9
High-strength 14 8.0
Stainless 17 9.6
Structural 12 6.5
Titanium alloys 8.1–11 4.5 – 6.0
Tungsten 4.3 2.4* Note that you must multiply the coefficients given in this table by 10^6 to obtain the actual values of
coefficients of thermal expansion.
Source:From Gere. Mechanics of Materials, 5E. © 2001 Cengage Learning, a part of Cengage
Learning, Inc. Reproduced by permission. http://www.cengage.com/permissions.TABLE 17.3 The Strength of Selected Materials (continued)
Material Yield Strength (MPa) Ultimate Strength (MPa)
Steel
High-strength 340 –1000 550 –1200
Machine 340 –700 550 – 860
Spring 400 –1600 700 –1900
Stainless 280 –700 400 –1000
Tool 520 900
Steel wire 280 –1000 550 –1400
Structural steel 200 –700 340 – 830
Titanium alloys 760 –1000 900 –1200
Tungsten 1400 – 4000
Wood (bending)
Douglas fir 30 –50 50 – 80
Oak 40 – 60 50 –100
Southern pine 40 – 60 50 –100
Wood (compression parallel to grain)
Douglas fir 30 –50 40 –70
Oak 30 – 40 30 –50
Southern pine 30 –50 40 –70Source:From Gere. Mechanics of Materials, 5E. © 2001 Cengage Learning, a part of Cengage Learning, Inc.
Reproduced by permission. http://www.cengage.com/permissions.560
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