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what is defenation the rolling margine ? .. what is % for
steel & what its effects if it is + or - ?
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Answer Posted / sandeep reddy
it means difference of actual weight and theoritical weight of steel.
for 8 and 10 mm =7+_
for 12 and 16 mm=5+_
for 20 and above =3+_
as per IS Code
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