Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete in tension.

REBAR CHART. * Bar numbers are based on the number of 1/8 inches included in the nominal diameter of the bar. The nominal diameter of a deformed bar is equivalent to the diameter of a plain bar having the same weight per foot as the deformed bar.

Both Fe500 and Fe500 D tmt bars are supposed to offer a minimum of 500 MPa of Yield Strength (YS), where they differ however is the ductility parameter. Fe500 D grade of tmt rebar offers higher ductility (measured as UTS/YS ratio & % elongation) than Fe500 rebar.

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