What are the ratios of M20 , M25 , M30 ,M35 , M40 , M45 and M50 grade

[Sumit Civil]

What are the ratios of M20 , M25 , M30 ,M35 , M40 , M45 and M50 grade

 

[Harikiran N]

M20 1:1.5:3
M25 1:1.2:2.4 / 1:1:2
M30 and above are design mix based on requirement.

 

[Dnyan Deshmukh]

Below section will help you to get mix designs for various grades of concrete with different binders combinations

Engineered Concrete