Question 3 A specimen of steel 20 mm diameter with a gauge

Last updated: 6/10/2023

Question 3 A specimen of steel 20 mm diameter with a gauge length of 200 mm is tested to destruction It has an extension of 0 25 mm under a load of 80 kN and the load at elastic limit is 100 60 kN The maximum load is 130 mm and diameter at neck is 15 mm Find i The stress at elastic limit ii Young s modulus iii Percentage elongation iv Percentage reduction in area and v Ultimate tensile stress kN The total extension at fracture is