53 Grade cement is used for fast paced construction were initial strength is to be achieved quickly.
This cement has fast setting compared to 43 Grade cement.
53 Grade attains 27 MPa in 7 days compared to 23 MPa by 43 Grade cement.
53 Grade OPC cement is employed in RCC and pre-stressed concrete of higher grades, cement grouts, instant plugging mortars etc.
wherever initial higher strength is that the criteria.