Answer / mehul mulchand dedhiya

500 D is a high strength ribbed TMT reinforcement bar. For reference, the strength of the rebar is 500 MPa and 'D' represents the ductility of the rebar. By keeping the level of impurities like Sulphur and Phosphorous to below 0.075%, the consistency in strength across the rebar is maintained.

Answer / shashi roy

500 is yield strength n d means deformed
deformed steel elongation could be upto 16%

Answer / n.murugan

"D" indicates the categories with same specified
minimum 0.2 percent proof stress/yield stress but with enhanced and additional requirements.

Answer / guest

tensile strength 500N/mm2

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