Engineering Fundamentals: An Introduction to Engineering, 4th ed.c

TABLE 17.3 The Strength of Selected Materials

Material Yield Strength (MPa) Ultimate Strength (MPa)

Aluminum alloys 35 –500 100 –550

Brass 70 –550 200 – 620

Bronze 82 – 690 200 – 830

Cast iron (tension) 120 – 290 69 – 480

Cast iron (compression) 340 –1400

Concrete (compression) 10 –70

Copper alloys 55 –760 230 – 830

Glass 30 –1000

Plate glass 70

Glass fibers 7000 – 20,000

Magnesium alloys 80 – 280 140 – 340

Nickel 100 – 620 310 –760

Plastics

Nylon 40 – 80

Polyethylene 7– 28

Rock (compression)

Granite, marble, quartz 50 – 280

Limestone, sandstone 20 – 200

Rubber 1–7 7– 20

TABLE 17.2 Densities of Selected Materials (continued)

Mass Density Specific Weight

Material (kg/m

3

)(kN/m

3

)

Nickel 8800 86.3

Plastics

Nylon 880 –1100 8.6 –10.8

Polyethylene 960 –1400 9.4 –13.7

Rock

Granite, marble, quartz 2600 – 2900 25.5 – 28.4

Limestone, sandstone 2000 – 2900 19.6 – 28.4

Rubber 960 –1300 9.4 –12.7

Steel 7850 77.0

Titanium alloys 4500 44.1

Tungsten 1900 18.6

Wood (air dry)

Douglas fir 480 –560 4.7–5.5

Oak 640 –720 6.3 –7.1

Southern pine 560 – 640 5.5 – 6.3

Source:From Gere. Mechanics of Materials, 5E. © 2001 Cengage Learning, a part of Cengage

Learning, Inc. Reproduced by permission. http://www.cengage.com/permissions.

Continued

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