Differences between Fe-500 & Fe-500d TMT Bars

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Differences Between Fe-500 & Fe-500d TMT Bars

A Thermo-Mechanically Treated Bar (commonly called a TMT Bar) is a high-quality fortification bar. It has an extreme external center & a delicate inward center.

In today's times, TMT bars have become synonymous with quality construction all over the world. They can be of different grades like Fe-450, Fee-450d, Fe-500, Fe-500d, Fe-550, Fe-550d, and Fe-600. A higher grade automatically means lesser utilization of iron & discerning of the rebar quality.

Fe-500 & Fe-500d are two of the best-known grades of these rebars. They have the same rigidity. However, when it comes to flexibility, there is a great deal of difference. 

  • The elongation capacity of fe500 is increased by around 12%. On the contrary, the same for Fe-500d is 18%.
  • Fe 500 and Fe 500d rebars have the equivalent 0.2% stress/yield stress whereas the tensile strength is increased by 2%.
  • The base elasticity is another major point of comparison. In the case of Fe-500 the base elasticity is 545 mph & for Fe-500d the corresponding figure is 565 mpa.
  • Fe-500 TMT Bar has an Integrated least rate elongation of 12% where as the same for Fe-500d TMT Bar is 18%
  • Next comes chemical composition. Fe-500d has 0.25% carbon composition whereas in the case of Fe-500 composition of carbon is 0.30% (maximum).
  • The most extreme forms of sulphur & phosphorus are higher in Fe-500 rebars than their Fe-500D counterparts.  500d rebars with low quantities of carbon, sulphur and phosphorus aids in the preservation of steel.
  • Sulphur Composition of Fe-500 Rebars is 0.055% (at maximum). Phosphorus component is 0.055% (at maximum).
  • For Fe-500d the corresponding figures (for sulphur & phosphorus) is 0.040%.

Fe-500 & Fe-500 rebars both play a critical role in construction-related works. The former is usually preferred for house construction thanks to its adaptability. On the other hand, Fe-500d is utilized for high rises. 

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