Difference between Fe 500 TMT Bar and Fe 500D TMT Bar

What are the major differences between Fe 500 TMT Bar and Fe 500D TMT Bar?

TMT bars are used in construction to make buildings strong. There are different types of TMT bars and today we will learn about the difference between Fe 500 TMT Bar and Fe 500D TMT Bar.

The main difference is that Fe 500D TMT Bar has higher strength and ductility compared to Fe 500 TMT Bar.

Before we move to the differences, let’s understand what are Fe 500 TMT Bar and Fe 500D TMT Bar:

  • Fe 500 TMT Bar: Fe 500 TMT Bar is a type of steel bar that is made by heating it to a very high temperature and then cooling it quickly.
  • Fe 500D TMT Bar: Fe 500D TMT Bar is also made in the same way, but with an extra step called “quenching and self-tempering” added to the process.

Fe 500 TMT Bar vs Fe 500D TMT Bar

Now, let’s move to Fe 500 TMT Bar vs Fe 500D TMT Bar:

Major differences between Fe 500 TMT Bar and Fe 500D TMT Bar

Fe 500 TMT Bar Fe 500D TMT Bar
Fe 500 TMT Bar has a minimum yield strength of 500 MPa. Fe 500D TMT Bar has a higher yield strength of 500 MPa.
Fe 500 TMT Bar is less ductile. Fe 500D TMT Bar has higher ductility.
Fe 500 TMT Bar is suitable for RCC work. Fe 500D TMT Bar is suitable for both RCC and steel work.
Fe 500 TMT Bar is less resistant to seismic forces. Fe 500D TMT Bar is more resistant to seismic forces.
Fe 500 TMT Bar has lower elongation. Fe 500D TMT Bar has higher elongation.

That’s it.

Note that sometimes, the question might also be asked as “distinguish between Fe 500 TMT Bar and Fe 500D TMT Bar”.

Also see:

Final words

Fe 500 TMT Bar and Fe 500D TMT Bar are different types of TMT bars that are used in construction.

Fe 500D TMT Bar has higher strength and ductility compared to Fe 500 TMT Bar. These differences make Fe 500D TMT Bar more suitable for certain types of construction work. It’s important to choose the right TMT bar for the specific project to ensure the building’s safety and strength.

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