1.

What is the force required for 90° bending of St50 steel of 2 mm thickness in a V-die, if the die opening is taken as 8 times the thickness and the length of the bent part is 1 m, ultimate tensile strength is 500 MPa and k = 1.33?

A. 166.25 kN
B. 155.45 kN
C. 154.65 kN
D. 143.85 kN
Answer» B. 155.45 kN


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