A tensile test specimen of 1045 hot-rolled steel having a diameter of 0.505 in. and a gage length of 2.00 in. was tested to fracture. Stress and strain data obtained during the test are shown. Determine the ultimate strength.

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A tensile test specimen of 1045 hot-rolled steel having a diameter of 0.505 in. and a gage length of 2.00 in. was tested to fracture.
Stress and strain data obtained during the test are shown. Determine the ultimate strength.
Stress (ksi)
60
50-
40-
30-
20
10-
0
0
0
Upper scale
O 66 ksi
28 ksi
O 72 ksi
O 53 ksi
O 62 ksi
Lower scale.
0.025 0.050 0.075 0.100 0.125 0.150 0.175
0.002 0.004 0.006 0.008 0.010 0.012 0.014
Strain (in./in.)
Transcribed Image Text:A tensile test specimen of 1045 hot-rolled steel having a diameter of 0.505 in. and a gage length of 2.00 in. was tested to fracture. Stress and strain data obtained during the test are shown. Determine the ultimate strength. Stress (ksi) 60 50- 40- 30- 20 10- 0 0 0 Upper scale O 66 ksi 28 ksi O 72 ksi O 53 ksi O 62 ksi Lower scale. 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.002 0.004 0.006 0.008 0.010 0.012 0.014 Strain (in./in.)
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