Knowledge centre

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.

3 articles for “TMT” · Clear search

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

Building materials

How to Check TMT Bar Quality on Site: 8 Practical Checks

Steel is the most expensive structural material on most sites. These eight checks help you avoid underweight, mislabelled and substandard bars.

11 Sept 2026 · 2 min read

Estimation & costing

Steel Required per sq ft and the TMT Bar Weight Formula (D²/162)

Convert bar diameters to weight in seconds, and estimate how much steel a building needs before the structural drawings are final.

1 Sept 2026 · 2 min read

Planning a project?

Get an itemised quotation with cement, freight, unloading and GST shown line by line — and deliveries scheduled to your programme.

Request a project quote Cement calculator