##### m20 what is m what is 20 for concrete work

m20 concrete proportion and weight - ugcnetnic. 2017-7-11 M20 is a grade of concrete and M stands for Mix while 20 is compressive strength (in N/sq mm) of standard cube (of size 15*15*15 cm) of that mix concrete after 28 days of curing. This is a nominal mix and 1:1.5:3 is the proportion used for preparing M20 grade concrete.

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