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Rajeev Kumar
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Join Date: Aug 2007
Posts: 11

Cement Grades

08/16/2007 12:43 PM

Dear Sir/ Madam,

Cement grades available in India are of 33, 43 and 53.These number designate compressive strength of mortar of 1:3 (Cement:Sand) ratio in N/mm2 after 7 days of curing.Why cement grades are not in round off numbers like 30,40,50,55 etc?

Rajeev Kumar
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bakerjohn
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#1

Re: Cement Grades

08/17/2007 7:43 AM

Over here in the US we us AAA, AA, A, B, and C according to ACI and ASHTO requirement.

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MUKULMAHANT
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#2

Re: Cement Grades

08/17/2007 10:37 PM

One-up-man-ship
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Anonymous Poster
#3

Re: Cement Grades

08/22/2007 11:40 AM

Rounded off. English grades 32.5, 42.5, etc..
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