What is the ratio of Grades M10,M15,M20,M25,M30,M35,M40.
Answer Posted / spl manivannan
M 5 - 1:5:10
M7.5 - 1:4:8
M 10 - 1:3:6
M 15 - 1:2:4
M 20 - 1:1.5:3
M 25 - 1:1:2
M30, M35, M40 as per design
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