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Overview

TMT bars or Thermo-Mechanically Treated bars are high-strength reinforced bars having a tough outer core and a soft inner core. TMT, structural products (Angles, Channels, Beams), wire rods are used for the construction of buildings, transmission towers, industrial sheds, structures, road, dam and in other various infrastructures. We sell TMT, structural products (Angles, Channels, Beams), Wire Rods and Pipes, a finished product, primarily in the states of West Bengal, Odisha, Bihar, Jharkhand, Tripura, Sikkim, Assam, Arunachal Pradesh, Manipur, Meghalaya, Uttrakhand, Uttar Pradesh, Punjab and Haryana. Our TMT and structural products are sold under the brand “SEL”.

TMT bar manufacturer | qst bar price today in India

Features

Fire & Corrosion Resistamt

SEL TME Bars are fire resistant from 600°C to 650°C. The combined chemistry of steel and advamced quenching process makes SEL TMT fire and corrosion resistant.

Earthquate Resistant

Balanced proportion of Carbon and Manganese exhibit a good carbon equivalent (CE) that may not be greater than 0.42%, resulting in higher elongation and better bendability to resist Earthquatke

Savings

Use of Fe500D over Fe418 ensures savings in usage of steel by up to 17%. SEL TMT Bar comes with lower and uniform sectional weight resulting in further saving of 3-4%

Quality bonding with RCC

SEL TMT Bars have uniform rib pattern, which is designed by automated CNC machine. Uniform rib pattern on the TMT Bar helps in quality bonding with reinforced concrete cement.  

Credentials

Specification

Grade %C, max %S, max %P, max (%S + %P), max %CE, max
Fe 415 0.3 0.06 0.06 0.11
Fe 500 0.3 0.055 0.055 0.105
Fe 500 D 0.25 0.04 0.04 0.075 0.05
Fe 500 S 0.32 0.04 0.04 0.075 0.061
 Fe 550 D 0.25 0.04 0.04 0.075 0.061
Fe 600 0.3 0.04 0.04 0.075
Variation, Over Specified Limit, %, Max 0.02 0.005 0.005 0.01

 

Grade 0.2 % Proof stress/Yield stress, MPa TS/YS ratio Elongation,% Total elong. at
max force, %
Min Max Min Min
Fe 415 415  – ≥ 1.10,  but TS not less than 485 MPa 14.5  –
Fe 500 500  – ≥ 1.08, but TS not less than 545 MPa 12  –
Fe 500 D 500  – ≥ 1.10,  but TS not less than 565 MPa 16 5
Fe 500 S 500 650 ≥ 1.25 16 8
 Fe 550 D 550  – ≥ 1.08, but TS not less than 600 MPa 14.5 5
Fe 600 600  – ≥ 1.06, but TS not less than 660 MPa 10  –
 
Nominal Size (mm) Mandrel Diam. (mm) Grade wise
Fe 415 Fe 500 Fe 500 D Fe 500 S Fe 550 D Fe 600
Bend Test
Up to and including 20
Over 20
Re-Bend Test
Up to and including 10
Over 10
 Where ɸ is the nominal size of the test piece, in mm.

 

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