When it comes to construction materials, quality is the utmost priority. TMT (Thermo-mechanically Treated) steel bars form the foundation of a building whether it is residential or commercial buildings. High-quality steel bars improve the durability and strength of the buildings.
How do you identify and pick the best TMT steel in India? Read the blog to know more.
What are the criteria for choosing the best TMT bar in India?
While cost is an important criterion, if you choose the lowest cost option, you may end up with substandard standard quality. The following are other factors you must check before choosing the TMT bar for house construction.
1. Check for certification from recognized bodies
The BIS (Bureau of Indian Standards) has set standards when it comes to the quality and safety of steel bars. It issues ISI certification for the manufacturers who pass these tests. While choosing steel manufacturers, prioritise the ones that have ISI certificates. If you choose a supplier who does not have ISI certification, the structural integrity is under question and you may be taking a huge risk.
So, to ensure that you are choosing high-quality steel bars, choose the ones with ISI certificates. Specifically, you must check for IS1786 standards as they check for the mechanical and thermal properties needed for steel bars.
You should also look for certifications from international bodies like the ISO. For instance, Suryadev TMT bars have ISO 4500, ISO 14001, ISO 9001, and so on. ISO 4500 recognises occupational safety while ISO 14001 certifies environmental management.
2. Understand the TMT grades
TMT bars usually come in different grades including TMT Fe 500, Fe 550D, Fe 550, and Fe 600. In India, Fe-500 is the most commonly used in construction. The higher the grade, the better is quality. For instance, Fe 550D has greater tensile strength and elongation when compared to lower grades like the Fe 500.
So, if you are exploring steel bars for the construction of high-rise buildings that are subject to heavy loads, stress, and pressure, choose the ones with higher grades. On the other hand, if you are exploring steel bars for small-scale residential buildings, you may choose lower grades like Fe-500.
3. Bend testing
Flexibility is an important criterion when it comes to choosing steel bars. They must be capable of withstanding high loads without bending or cracking. For instance, Suryadev TMT bars are flexible, and even if you bend them at 90 degrees, they do not break or crackdown. So, check for the flexibility of the TMT bars before you purchase them for your building.
4. Check for corrosion resistance
Corrosion can impact the strength and integrity of your building. High-quality TMT bars are usually treated for corrosion resistance. So, when you choose TMT bars, check for their corrosion resistance. This is particularly important if you are constructing a building in humid areas where the moisture concentration is high.
5. Validate the thermal stability
Whether you are constructing a high-rise building or one in an area that is exposed to fire hazards, you must check for the thermal resistance of the TMT steel bars. They must have the ability to withstand high temperatures without cracking or deformation. This is important to ensure the structural integrity and safety of your buildings. So, while choosing TMT steel bars for home construction, check for their thermal stability.
6. Check for the rib pattern
The ribs in TMT steel bars are not for aesthetics, but they determine the strength of the bonding with the concrete. High-quality TMT steel bars have uniform, clearly defined ribs that can bond well with the concrete. This helps improve the strength of the structure while ensuring that the load gets distributed equally.
7. Evaluate the reputation of the manufacturer
As the TMT steel bars determine the strength of the buildings, you must choose a reputed manufacturer. Popular brands in the market adhere to quality and safety standards. You must also check for the clients they serve, the portfolio, and look for reviews from customers and industry experts.
For instance, Suryadev TMT bars are subject to stringent quality and safety checks and we use high-quality raw materials for manufacturing. Over the years, we have catered to remarkable projects like Chennai Metro, Vijayawada Bangalore Expressway, Ennore port, CPCL refinery at Nagapattinam, and so on. This testifies to our reputation in the industry and the paramount importance we attach to the quality.
Suryadev TMT: Best TMT steel in India
The choice of TMT steel bars determines the strength and structural integrity of your building. It is important to choose the right TMT steel manufacturer for your residential and commercial projects.
If you are exploring the best TMT steel manufacturers in Chennai or India, then Suryadev TMT is your go-to place. Our TMT bars come in different grades: FE 550, FE 550D, and FE 550CRS. They are known for their superior strength, bonding strength, flexibility, and ductile strength. The perfect roundness of the ribs helps drive a strong bond with the concrete. The steel bars can be customised to the specific requirements of a building.
Book a free consultation with us at https://www.suryadev.in/contact-us
FAQs
1. How to check the quality of TMT bars?
The TMT bars can be assessed based on the following parameters:
- Certifications from reputed organisations like ISO and BIS
- Corrosion resistance
- Ductile strength and flexibility
- Reputation of the manufacturer
- TMT grade
- Thermal stability
- Evaluate the rib pattern
2. What is the lifespan of TMT bars?
The TMT bars have a greater life span, but they are dependent on the following:
- The quality of the raw materials used in TMT bar manufacturing determines the strength and longevity of the bars.
- Proper maintenance helps sort out issues before they become a potential threat to the building’s strength.
- Corrosion resistance as moisture leading to corrosion build-up may impact the life span of buildings.