GRADES OF READY-MIX CONCRETE
- ORDINARY GRADE CONCRETE
This nominal grade concrete includes M5, M10, M15, M20 grades which are used for low-weight bearing pathways and simple foundations. M20 is used in slabs, columns and beams in small residential buildings.
- STANDARD GRADE CONCRETE
This medium grade concrete includes M25 used in medium-sized multi-storied structures,M30-M35 grades used in medium-heavy load-bearing buildings. M40,M45,M50,M55 grades are used for high durability structures.
- HIGH-STRENGTH CONCRETE
High-strength concrete grades denoted by grades M60 and above are utilised in heavy-duty structures like skyscrapers,bridges, dams and high-load-bearing structures and buildings.