Clase C

Bc3.5 B50 2.8/3.5Bc5 B75 4/5

Bc7.5 B100 6/7.5Bc10 B150 8/10Bc15 B200 12/15Bc20 B250 16/20

Bc22.5 18/22.5Bc25 B300 20/25Bc30 B400 25/30Bc35 B450 28/35Bc40 B500 32/40Bc50 B600 40/50Bc60 B700 50/60

Clasa betonului

Marca betonului