1.5-6 The data shown in the table were obtained from a tensile test of a metal specimen with a diameter of 0.500 inch and a gage length (the length over which the elongation is measured) of 2.00 inches. The specimen was not loaded to failure. d. Estimate the value of the proportional limit. e. Use the 0.2% offset method to determine the yield strength. Load (kips) Elongation (in.) 55 072236OIN 1 2.5 3.5 5 8 9 10 11.5 12 0 0.0010 0.0014 0.0020 0.0024 0.0036 0.0044 0.0050 0.0060 0.0070 0.0080 0.0120 0.0180

1.5-6 The data shown in the table were obtained from a tensile test of a metal specimen with a diameter of 0.500 inch and a gage length (the length over which the elongation is measured) of 2.00 inches. The specimen was not loaded to failure. d. Estimate the value of the proportional limit. e. Use the 0.2% offset method to determine the yield strength. Load (kips) Elongation (in.) 55 072236OIN 1 2.5 3.5 5 8 9 10 11.5 12 0 0.0010 0.0014 0.0020 0.0024 0.0036 0.0044 0.0050 0.0060 0.0070 0.0080 0.0120 0.0180

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.4P: A tensile test was performed on a metal specimen with a diameter of 1 2 inch and a gage length (the...

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Question

1.5-6
The data shown in the table were obtained from a tensile test of a metal specimen with
a diameter of 0.500 inch and a gage length (the length over which the elongation is
measured) of 2.00 inches. The specimen was not loaded to failure.
d. Estimate the value of the proportional limit.
e. Use the 0.2% offset method to determine the yield strength.
Elongation (in.)
Load (kips)
872236 DIN
2.5
3.5
5
7
8
9
10
11.5
12
0
0.0010
0.0014
0.0020
0.0024
0.0036
0.0044
0.0050
0.0060
0.0070
0.0080
0.0120
0.0180

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Step 1: Given:

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Step 2: Calculation of stress and strain

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Step 3: Stress and Strain values:

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Step 4: Plot the stres strain curve:

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Step 5: Estimate the modulus of elasticity. 

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Step 6: Calculation of proportional limit

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Step 7: Stress corresponding to 0.002 strain

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