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PRODUCTS

FIRST CHOICE OF THE CORPORATE BUILDERS

GYAN TMT is the first choice of most of the quality conscious big Corporate Builders of Northern India , particularly of NCR , because of the product range offered by the company i.e. Fe 415, Fe 500 and Fe 550 , all confirming to Chemical and Physical Properties required as per the standards laid down by  Bureau Of India Standards . In the light of above quality standards and product range, GYAN TMT is definitely the latest trend in the Corporate Builder’s World.
 

PRODUCT QUALITIES

BOND STRENGTH

The ribs of GYAN TMT have been specially designed for excellent bond strength between bars and concrete. The roll slashes the rib pattern automatically during rolling process and hence uniform and perfect pattern of rib. GYAN TMT Bond Strength is 100-200 % higher than that of traditional steel bar, whereas the specifications stipulate that bond strength should be 40 % higher than mild steel plain bars.

BENDING & REBENDING

The GYAN TMT bars produced with latest technology for GERMAN are technologically designed so that the outer surface is tough and core is ductile. This results in excellent bending capabilities. The GYAN TMT rebars can be bent around mandrels much smaller and easier than those specified in IS:1786:2008. This has obvious advantage at construction sites.

WELDING STRENGTH
Welding strength of GYAN TMT is considerably superior to those conventional cold twisted bars due to low carbon equivalents. GYAN TMT bars can be butt-welded or lap welded using ordinary rutile coated electrodes of matching strength. Usually, no pre-warming or post heat treatment is necessary.

CORROSION RESISTANCE
GYAN TMT bars are produced by Turbo Quench Technology and not by sold twisting, hence results in uniform and thick tempered martensitic rim, completely free from internal stress. This results in superior corrosion resistance characteristics as compared to traditional cold twisted bars. The presence of oxide layer on the surface further increase the corrosion resistance, when compared to traditional cold twisted bars.

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SAVING BY DIMENSIONAL TOLERANCE
GYAN TMT is guaranteed for not being heavy and comes with a section weight that is lower than the nominal, which reduces the quantity of steel consumed by 10% to 20% without compromising on strength.
 

Size

Specified (kg/meter)

Tolerance Limit (grams/meter)

Per Wt. Variation (kg/meter)

Individual sample variation

ISI Std.

GYAN TMT Std.

ISI Std.

GYAN TMT Std.

ISI Std.

GYAN TMT Std.

8mm

0.395

367 to 423

379 to 411

0.056

0.032

±7

±5

10mm

0.617

574 to 660

598 to 636

0.086

0.038

±7

±4

12mm

0.888

844 to 932

870 to 906

0.088

0.036

±5

±3

16mm

1.580

1501 to 1659

1548 to 1612

0.158

0.064

±5

±3

20mm

2.470

2396 to 2544

2445 to 2495

0.148

0.050

±3

±2

25mm

3.850

3735 to 3965

3811 to 3889

0.230

0.078

±3

±2

28mm

4.830

4685 to 4975

4782 to 4878

0.290

0.096

±3

±2

32mm

6.314

6125 to 6503

6207 to 6884

0.290

0.096

±3

±2

SAFE IN EARTHQUAKE
Tests were conducted on concrete beam column joints, reinforced with GYAN TMT were subject to repeated revered load with inelastic strains. These simulation tests were conducted to evaluate their performance during earthquake. The results showed uniformity maintained ductility till failure due to uniform energy dissipation during each cycle.

FIRE RESISTANCE
GYAN TMT bars were tested to prove the higher thermal stability in comparison to traditional cold twisted bars and have no loss of strength up to 6000C.

CHEMISTRY  

Chemistry

Unit

IS:1786
Fe 415

GYAN TMT
Fe 415

GYAN TMT
Fe 500

GYAN TMT
Fe 550

Carbon

%

0.30 max

0.25 max

0.20 max

0.20 max

Sulphur

%

0.06 max

0.05 max

0.05 max

0.05 max

Phosphorous

%

0.06 max

0.05 max

0.05 max

0.05 max

S & P

%

0.11 max

0.10 max

0.10 max

0.10 max

** The above figures are indicative only
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