Concrete Grades (IS 456)

RCC Design ESE GATE SSC JE

Reference summary — verify against the current edition of the code before you rely on it in practice. Free tier available — start free.

Concrete Grades (IS 456)

Grade\(f_{ck}\) (\(\mathrm{N/mm^2}\))Typical use
M1515PCC, levelling course
M2020RCC (mild exposure)
M2525RCC (moderate exposure)
M3030RCC (severe exposure)
M4040Prestressed, high-strength

Typical values for exam use. Actual values vary with grade, source and test condition — use the figure given in the question when one is stated.