Grades of Concrete - M10 to M80 Explained in Detail
2020/07/25· Concrete Grade Mix Ratio (cement: sand: aggregates) Compressive Strength MPa (N/mm2) psi Normal Grades of Concrete M5 1: 5: 10 5 MPa 725 psi M7.5 1: 4: 8 7.5 MPa 1087 psi M10 1 : 3: 6 10 MPa 1450 psi M15 1