Question: During a tensile test of a steel material, a flat specimen with an initial gage length 50 mm and a width of 12 mm

During a tensile test of a steel material, a flat specimen with

During a tensile test of a steel material, a flat specimen with an initial gage length 50 mm and a width of 12 mm is used. Yield strength and tensile strength are determined as 340 MPa and 420 MPa, respectively. Tensile strength is measured at a length of 60 mm. What is material constant K of that material according to the Hollomon equation? Select one: a. 589.54 MPa b. 687.38 MPa c. 623.82 MPa d. 721.12 MPa

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