Grade of Concrete and Unit Weight of Materials

Grade of Concrete

Mx – Cement:Sand:Aggregates

M5 – 1:4:8

M10 – 1:3:6

M15 – 1:2:4

M20 – 1:1.5:3

M25 – 1:1:2

Unit Weight of Materials

Unit Weight of water     – 1000kg/m3

Unit Weight of cement   – 1440kg/m3

Unit Weight of steel       – 7850kg/m3

Unit Weight of wood     – 1200kg/m3

Unit Weight of sand       – 1840kg/m3

Unit Weight of P.C.C     – 2400kg/m3

Unit Weight of R.C.C    – 2500kg/m3

Unit Weight of brick      – 1920kg/m3