TMT Bars – STELMAX 500 FRD – stelmax- TMT Steel Bars

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.

Construction professionals require reinforcement bars that offer both strength and durability. STELMAX 500 FRD bars are designed to meet these requirements while ensuring better concrete bonding and long-term structural performance.

500 Grade high-strength steel
Unique Four Rib Design (FRD) for superior concrete grip
Excellent earthquake-resistant ductility
Fire resistance up to approximately 600°C
Accurate ISI-standard weight and dimensions
Easy weldability and bendability
High durability and corrosion resistance performance

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.

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