What Is the Grade of Cement?
Cement is one of the most used and essential building construction materials. Without the use of cement building construction can not be completed. Cement is used for various purposes like concrete making, cement mortar, cement block, and repair work in construction.
The grade of cement indicates the compressive strength of cement. Higher the grade of cement superior will be the quality and strength of cement used in construction work.
Cement grade directly affects the compressive strength of the concrete mix. In concrete, cement is an essential ingredient that play important role in binding all other ingredients together and making the solid and hard concrete product.
You buy cement we buy known about different grades of cement which are available in the market. The strength of cement is denoted by the grade of cement. There are mainly 3 types of cement grades available in the market which you can use for your house construction.
Different grades of cement are as follows,
- OPC 53 Grade
- OPC 43 Grade
- OPC 33 Grade
- PPC Grade Cement
- PSC Grade Cement
- Super Grade Cement
OPC 33 Grade
OPC 33-grade cement means ordinary portland 33-grade cement. In these, the number 33 represents the compressive strength of cement at end of 28 days of curing and tested as per Indian standard code recommendation.
It means, that if cement mortar cubes are tested for compressive strength after 28 days, it should be more than 28 N/mm for OPC 33 grade cement.
This cement grade was popularly used in plain cement concrete work and other unimportant work. OPC 33 grade cement is not recommended to be used for making a concrete mix of higher grade (More than M20). It can be used in a place where the strength of cement is not a big factor or lower strength can be accepted for work.
The OPC 33 grade is not used for important work as there is a higher grade of cement available in the market.
In fact, Most cement manufacturing companies have already stopped their production for many years.
So, keep these recommendations in mind while going to purchase the cement for house construction. Do not buy the lower grade of cement for quality construction work.
Read More: How to Check Cement Quality on Construction Site | How to Check Cement Grade
OPC 43 Grade Cement
The OPC 43 Grade cement gives compressive strength at end of 28 days of curing is 43 N/mm. These cement grades are used for making a concrete mix of higher grades up to M 30 grade of concrete.
The 43 grade of cement is manufactured by many companies like Ultratect, Ambuja, and ACC cement. It can be used for making precast concrete members, sewer pipes and fence posts, etc.
But, it is popularly used in plain cement concrete work and plastering work. It is recommended for work where strength and lower setting time can be accepted during construction.
Due to the higher 53 grade of cement available for construction, its use is limited in some areas.
So, you always go for a higher grade if you are constructing your own home.
OPC 53 Grade
The OPC 53 grade cement is the most popular grade of cement used in construction. In fact, all the construction work where it is a bridge, road, dam, building, water tank, tunnel are used OPC 53-grade cement.
OPC 53 means, It gives compressive strength of 53 N/mm when it is tested for compressive strength as per Indian standard guidelines.
OPC 53 grade cement has better quality, strength, and less setting time compared to 33 and 43 grades of cement. Due to its high strength, is used for making concrete of higher grade (Above M20).
It is the best choice for all houses, buildings, apartments, and high-rise building construction work. It is also being used for pressing concrete work in bridges and other precast concrete works.
So, OPC 53 will be your final choice while purchasing cement for your dream home. But Just selecting OPC 53 is sufficient, the cement brand also has equal importance.
Be sure about which brand 53-grade cement is best and give you assurance about the quality of cement.
PPC Grade of Cement
PPC’s full form is Portland Pozzolana cement is made of gypsum and pozzolanic material and fly ash which is the waste material of power plants. These types of cement are used where low heat of hydration is required during concreting work. It is mostly suitable for mass concrete work like bridge and dam construction work. It offers a good finished surface of the concrete.
PSC Grade of Cement
PSC means Portland Slag Cement is produced by internal grinding of Portland cement clinker. This cement is manufactured using partial slag and partial ordinary portland cement. As the slag is a waste product of power plants is eco-friendly construction material.
Super Grade of Cement
Super grade cement is possessed high compressive strength. This is one of the advanced and latest high-strength cement types manufactured by limited companies like Ultratech, and Ramco cement.
Best Cement In India For House Construction 2023
The following are the best cement in India for house construction. These are the top 10 cement in India nowadays.
- UltraTech Cement
- ACC Cement
- Ambuja Cement
- Shree Cement
- Ramco Cement
- The India Cements Limited
- Binani Cement
- Wonder Cement
- JSW Cement
Read More: 10 Best Steel for House Construction | TMT vs TMX | Best Steel Brand for House Construction In India | Best TMT bar In India | Best Steel In India
Price Of Various Cement In India
|Cement Grade –||Grade 33 Cement||Grade 43 Cement||Grade 53 Cement|
|Cement Brand Name||Price (in Rs.)/ Bag||Price (in Rs.)/ Bag||Price (in Rs.)/ Bag|
1. IS Codes For 53 Grades Of Cement
- For Grade 33 Cement IS 269 is recommended
- Grade 43 Cement follows IS 8112 for construction
- For 53 grade IS 12269 is recommended
2. Compressive Strength
Compressive Strength is calculated using the following procedure,
- Water is added to the cement along with sand in proportion.
- After proper mixing is ensured to obtain uniform concrete.
- Which is later poured into formwork and cured till hardening.
- Cubes obtained are tested in the lab for 3 days, 7, and 28 days of intervals.
- Testing shows the strength obtained by cement in that time interval.
3. Initial Strength
The initial setting time of OPC 53 grade cement is less than OPC 33 and OPC 43 grade cement.
OPC 53 cement gains faster strength as water is added to cement and achieves 30% strength in 3 days, 70% in 7 days, and 100 % strength at end of 28 days.
Therefore, OPC 53 is the grade of cement that is most used in construction where faster concrete is required.
4. Heat Of Hydration
As the water is added to cement it reacts with chemicals available in cement and which produce heat. This process is called heat of hydration.
OPC 53 grade cement produces more heat of hydration compared to OPC 33 and OPC 43 grade cement. The high heat of hydration can cause small cracks in concrete during the initial stage of curing.
Therefore, The OPC 53 grade cement is neglected in mass concrete work, or ice is added to the concrete mix to keep the heat of hydration under control.
5. Price Comparison
There is no big difference between the price of these 3 grades of cement, but quality matters.
The following is the price of cement per bag
|OPC 53 Grade||OPC 43 Grade||OPC 33 Grade|
|Rs. 300-380 per bag||Rs. 280-320 per bag||Rs. 265-300 per bag|
|Cement Types||OPC 53 Grade||OPC 43 Grade||33 Grade|
|Setting Time (Min)||Initial – 30 min,Final – 600 min||Initial – 30 min,Final – 600 min||Initial – 30 min,Final – 600 min|
What do 33 43 and 53 grades of cement mean?
As per The Bureau of Indian Standard, the three grades of cement 33, 43, and 55 indicate compressive strengths of cement measured after 28 days and are expressed in Mega Pascal (Mpa), i.e. N/mm2.
What is the difference between 43 and 53-grade cement?
1. Price of Grade 53 Cement is higher than Grade 43.
2. Setting of Grade 53 Cement occurs earlier than that of Grade 43 Cement.
3. Grade 43 Cement is an older form of cement as compared to Grade 53 Cement.
4. Compressive Strength obtained by Grade 53 Cement is higher as compared to grade 43 after 28 days.
What are the 5 types of cement?
Types of Cement:
Portland Cement (OPC)
2. Portland Pozzolana Cement (PPC)
3. Low Heat Cement
4. Blast Furnace Slag Cement.
5. Rapid Hardening Cement
6. Sulfates Resisting Cement
7. Quick Setting Cement
8. High Alumina Cement
Which cement is better 33 grade or 53 grade and why?
53 Grade Cement is better than 33 Grade Cement.
The Ultimate Strength Reached by both types of cement is the same however Grade 53 Cement acquires considerable strength within 28 days itself. This property fulfills the requirement of quick hardening for modern days huge structures. Also, 53 Grade Cement is the most widely used cement nowadays and the popularity of 33 Grade Cement is fading away.
What is Type 2 cement used for?
Type 2 Cement is used for the following purposes,
1. For Structures to be built in water
2. For Soil containing moderate amounts of sulfate in it
3. When heat build-up is of concern in concrete.
53 Grade Cement
Grade 53 OPC (Ordinary Portland cement) is widely used when comes to Construction Industry for projects that require high tensile strength. The strength gained by Grade 53 Cement is quite earlier than Grade 33 and grade 43.
OPC 43 grade cement
In many constructions works, Grade 33 is replaced by Grade 43 cement, because of its higher strength and durability. Grade 43 cement is suitable for the construction of reinforced concrete (also called R.C.C), RMC (also called Pre Mixed Concrete or Ready Mix Concrete), and Pre Cast Concrete for Construction purposes.
33 Grade Cement
Grade 33 OPC (Ordinary Portland Cement) is very rarely used nowadays for the construction of buildings. Higher Strength Cement is becoming popular nowadays because of its strength-providing capability.
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