TMT Bars: 5 Interesting Facts You Must Know

TMT bars or Thermo-Mechanically treated bars are preferred for all major constructions projects. This is because TMT bars bond extremely well with concrete and are high strength bars. 

Let’s explore some unique facts about TMT bars that you didn’t know before:

5 facts of tmt bars

1.    These are high strength bar

This is because TMT bars are manufactured using a unique Tempcore technology. In this process, the bars undergo intense quenching after they are taken out from the rolling mill. 

During the quenching process, the bars are passed through numerous water jets which quickly cool down their outer layer and make it hard while leaving the inner core soft. As a result, the TMT bars turn extremely ductile.

2.    It has Corrosion Resistant properties

TMT bars are extremely corrosion resistant. This is due to their unique manufacturing process. 

Like traditional bars, the TMT bars are not twisted and as a result, the TMT bars do not have any residual stress. Also, during the quenching process, the water-cooling is extremely controlled, thus, prohibiting formation coarse carbides. These coarse carbides are mainly responsible for the corrosion of steel bars. During the construction process, the TMT bars are exposed to water for an extensive period but rust never forms on its surface. 

That’s the reason why using conventional steel bars over TMT bars can affect the quality of your construction and endanger the safety of the concrete structure.

3.    TMT bars are highly ductile

TMT bars have high ductility. TMT bars are available in a number of grades including Fe- 415/500/550. Higher the grade better the strength. And also, these are much stronger than ordinary steel bars. This is the reason why TMT bars are highly preferred in all the major construction projects.

4.    TMT bars are extremely flexible and have greater bending ability

TMT bars can be moulded and given any shape for meeting unique demand of construction and design of the building. Due to their softer core, TMT bars are extremely flexible to work with. And that’s the reason most of the construction projects use TMT bars for construction.

5.    TMT bars are resistant to earthquake

TMT bars have a soft core and a tough outer layer. Also, these bars have superior elongation that makes it extremely flexible. And that is what makes the TMT bars resistant to earthquake. 

Due to their softer core, these bars deliver flexibility to the concrete structure. Also, they have fatigue resistance property which enables them to bear seismic pressure. This is the reason why TMT bars are highly preferred for construction in earthquake-prone areas.

Apart from all these reasons, TMT bars also have thermal resistant properties. As such, these are safe from fire hazards. We hope that these points will give you a fair idea about the properties and features of TMT bars. Before buying TMT bars, ensure that you are buying from best TMT bar manufacturer in Kolkata. 

You can check the products by SRMB. Their TMT bars are the best in Kolkata. Check their products at https://www.srmbsteel.com/tmt-bars
Location: West Bengal, India

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