TMT Bars – STELMAX 500 FRD

STELMAX 500 FRD TMT Bars are the backbone of steel structures. With high strength, flexibility, and fire resistance, they ensure durability and superior bonding with concrete using a unique Four Rib Design.

Key Features

500 Grade Strength

Reliable load-bearing capacity.

Four-Rib Bonding

Stronger grip with concrete.

Earthquake Ductility

Bends without brittle failure.

Fire Resistance

Performs up to ~600°C.

ISI-Standard Weight

Accurate, uniform section.

Weldable & Bendable

Easy fabrication on site.

Technical Specifications

Specification

Details

Standard

IS 1786:2008 compliance.

Grade

500 (FRD – Four Rib Design).

Diameter Range

Typically 7 mm – 32 mm (common stock sizes).

Length

Standard 12 m lengths.

Surface

Can be tied to rebar; store dry to prevent damage.

Mechanical

Uniform thickness, tensile & yield properties per IS norms; high ductility for seismic use.

Applications

Slabs (8–12 mm)

Main and distribution steel.

Columns (12–32 mm)

Vertical reinforcement bars.

Beams

Tension and compression reinforcement.

Rafts/Footings

Heavy-duty foundation steel.