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What is TMT Bar?

TMT bars or Thermo-Mechanically Treated bars are high-strength reinforcement bars having a tough outer core and a soft inner core. The very first step of the manufacturing process involves passing the steel wires through a rolling mill stand. Thereafter, these rolled steel wires are again passed through the Tempcore water cooling system. While passing the wires through the water cooling system, the water pressure is optimised. The sudden quenching and drastic change in temperature toughen the outer layer of the steel bar, thus making it super tough and durable. Once this process is over, the TMT bars are subject to atmospheric cooling. This is done in order to equalise the temperature difference between the soft inner core and the tough exterior. Once the TMT bar cools down, it slowly turns into a ferrite-pearlite mass. The inner core remains soft giving the TMT bar great tensile strength and elongation point. This design is unique to the TMT bars and gives superior ductility to the bars. Also, this unique manufacturing technique and the absence of Cold stress make this bar corrosion-resistant and boost its weldability.

This same manufacturing process is used to manufacture high-quality SRMB TMT bars. This delivers greater tensile strength to the TMT bars. The most important features of SRMB TMT bar include higher elongation. This improves the bend/re-bend properties or the TMT bars, thus making it safe from natural calamities such as an earthquake. The Thermal stability of SRMB TMT bars is high which makes them safe from any fire accidents. The special ribbed design of the SRMB TMT bars form a stronger bond with the concrete or cement, thus, provides additional support and strength to the building structure and improves their longevity and durability. The high tensile strength and flexibility make SRMB TMT bars the ultimate choice for earthquake-prone zones. SRMB TMT bars have greater shock-absorbing capacity when compared to other TMT bars. This prevents the collapse of a building during an earthquake and ensures the longevity of the structure. Compared to ordinary steel bars, the same quantity of TMT bars can provide 20% additional strength to the structure. Other SRMB products include AZAR Bars (Zinga coated TMT bars), De-formed TMT bars, and De-formed corrosion resistant TMT bars.

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