Design | Mix Ratio | Compressive Strength | ||
MPa (N/mm2) | psi | |||
M5 | Nominal Mix | 1:5:10 | 5 MPa | 725 psi |
M7.5 | Nominal Mix | 1:4:8 | 7.5 MPa | 1087 psi |
M10 | Nominal Mix | 1:3:6 | 10 MPa | 1450 psi |
M15 | Nominal Mix | 1:2:4 | 15 MPa | 2175 psi |
M20 | Nominal Mix | 1:1.5:3 | 20 MPa | 2900 psi |
M25 | Nominal Mix | 1:1:2 | 25 MPa | 3625 psi |
M30 | Design Mix | NA | 30 MPa | 4350 psi |
M35 | Design Mix | NA | 35 MPa | 5075 psi |
M40 | Design Mix | NA | 40 MPa | 5800 psi |
M45 | Design Mix | NA | 45 MPa | 6525 psi |
M50 | Design Mix | NA | 50 MPa | 7250 psi |
M55 | Design Mix | NA | 55 MPa | 7975 psi |
M60 | Design Mix | NA | 60 MPa | 8700 psi |
M65 | Design Mix | NA | 65 MPa | 9425 psi |
M70 | Design Mix | NA | 70 MPa | 10150 psi |
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