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Question
The minimum yield stress of a steel  to be used in the steel structure is 420 MPa. The permissible stress in axial tension for this steel will be:
A.
150 MPa
B.
210 MPa
C.
252 MPa
D.
420 MPa
Answer ( Option A)

150 MPa

Solution

The permissible stress in axial tension
= 0.60fy = 0.60 × 420 = 252 MPa

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