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Cement & construction guides

Practical, engineer-checked guides on cement types and grades, quantity estimation, pricing and GST, site practice and building materials — for builders, contractors and homeowners.

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Building materials

TMT Bar Grades Explained: Fe 500 vs Fe 500D vs Fe 550D

The number is the yield strength; the "D" is about ductility. Here is what each TMT grade means and which one your building needs.

20 Oct 2026 · 2 min read

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