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grades of cement

Cement is one of the oldest binding materials used for construction. Be it buildings, bridges, skyscrapers, subways, or pipelines, good quality cement is paramount for world-class infrastructure. But how do you measure the quality of cement? Are there set parameters that distinguish high quality cement from low quality cement? Well, the answer is yes. You may have heard of terms like 33 grade cement or 53 grade cement. These are terms used for describing different grades of cement. A grade of cement indicates the strength of cement that is measured in Mega pascal (Mpa) or N/mm2. Cement is usually measured after 28 days of curing for a standard cube.

There are Three Main Grades of Cement.

33 Grade Ordinary Portland Cement

33 grade cement refers to cement that has a compressive strength of 33 N/mm2 at the end of 28 days of curing. As per the Cement Association of Canada, all cement used in concrete construction in Canada is manufactured to meet the requirements of the CSA A3000 compendium of cement standards. This type of cement is used for general construction work under normal environmental condition.

43 Grade Ordinary Portland Cement

43 grade cement refers to cement that has a comprehensive strength of 43 N/mm2 at the end of 28 days of curing. It gets this grade only after it meets the requirements of the Cement Association of Canada. This type of cement is used for plain concrete work and plastering works.

53 Grade Ordinary Portland Cement

53 grade cement refers to cement that has a compressive strength of 53 N/mm2 at the end of 28 days of curing. As per the Cement Association of Canada, all cement used in concrete construction in Canada is manufactured to meet the requirements of the CSA A3000 compendium of cement standards. Unlike other grades of cement, 53 grade ordinary portland cement is used for structural purposes as in reinforced cement concrete.

Every grade of cement is suitable for different set of tasks as each of them have varying levels of strength. Using the wrong strength levels for a particular job can affect your overall structural design. In the world of construction, most professionals opt for 53 grade cement.

Even at Eilers construction, we use superior grade cement for all our projects. If you are looking out for professionals in the field of concrete construction, reach out to us and we’ll help you build whatever you have in mind.

 

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