Technical Guides
Grades, specifications, seismic zones and material science
Technical Guides
Fe500 vs Fe500D TMT Steel — Which Grade for Your House Construction?
Fe500 and Fe500D TMT steel differ in ductility, not strength. Learn which grade is right for your house construction based on your seismic zone, IS code requirements, and actual price difference.
7 min read28 Jun 2026
Technical GuidesTMT Steel Grades Explained — Fe415, Fe500, Fe500D, Fe550 and Fe600
All TMT steel grades explained — Fe415, Fe500, Fe500D, Fe550, Fe550D and Fe600. Yield strength, elongation, IS 1786 specs, and which grade to use for your house or project.
8 min read28 Jun 2026
TMT grade & buying guides
How to choose the right TMT grade
Fe415 vs Fe500 vs Fe500D — which grade is right for your building type and seismic zone.
TMT buying guide
Step-by-step guide to sourcing and buying TMT steel — from spec to delivery.
TMT grades explained
What the IS 1786 grade numbers mean, mechanical properties, and how they're made.