Can we design a flexural member with steel bars of fy more than 420 MPa?

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Mohannad H. Al-Sherrawi

ASTM A615/A615M-16 grades are 280, 420, 520, 550, and 690 MPa.

Abbas AbdulMajeed Allawi

What about ACI limitaions Dr Mohannad?

Amjad Albayati

according to ACI max fy should not exceed 420 mpa to avoid excessive deflection and crack width

Dear Dr. Amjad... this is the limitations of ACI 318-14