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SPECIAL SIZE TMT BARS

The last decade has witnessed the entry and exit of many TMT brands in the market. These TMT Bars attract the customers only with their extremely low market price. Most of these TMT bars have total disregard for quality parameters like Yield Strength, Elongation, Sulphur and Phosphorus % etc. of TMT bars and harmful effects that can be caused to construction by it’s use.

TMT bars are extremely critical elements of civil construction as it forms the basic structure and foundation of any Building construction and should be differentiated by these important parameters.

  • Yield Strength
  • Elongation
  • Length per Kg of Steel
  • Ethics and reputation of the manufacturing company of TMT Bars

All the above parameters can only be attained by use of TMT bars produced in rolling mill which possess the Right Technology, the Right manufacturing Equipment and most importantly the Right Quality Culture from the stage of vendor identification of raw material to online / offline Quality Control systems backed by Customer Service whenever required.

We, at RHL, have built our reputation by producing quality products having unique blend of high strength, high elongation and more length per kg of steel and fulfills all the above conditions of a good manufacturer. We are able to achieve this as we pay the minutest attention to critical details which can affect the quality of the TMT bars manufactured like :-

  • Selection of the raw material with optimum chemical composition of Carbon, Manganese, Sulphur and Phosphorus.
  • Online / Offline Quality control systems
  • Rolling in close tolerances
  • Monitoring / checking at critical check points by Trained and Experienced engineers.
  • Process treatment of each and every bar separately by right Quenching technology and Cooling on Variable Rake type automatic Cooling bed.

We have a modern ‘State of Art’ rolling mill comprising of PLC Controlled Electronic equipment, Continuous D.C. Finishing Mill, High Speed Shears, Automatic Reheating Furnace, Variable speed rake type Automatic Cooling Bed, Water Cooling Tower, CNC Notch Cutting Machine etc. and other electronic equipments at par with International norms and standards.

We have recently introduced new generation high ductile TMT bars under the brand name RHL GOLD 500 HD special size of diameters of 7mm, 9mm, 11mm, 14mm, 18mm and 22mm which can replace the substandard TMT Bars of 8mm, 10mm, 12mm, 16mm, 20mm and 25mm. A Comparative chart indicates the advantage in use of RHL GOLD Special Size TMT Bars over ordinary TMT bars by withstanding similar load and reduction in steel consumption because of approx. 20% excess length as given below :

SIZE

AREA

STRENGTH

TOTAL LOAD THAT CAN BE WITHSTOOD

LENGTH PER MT

EXTRA LENGTH PER MT

7 mm RHL GOLD 500 HD

38.50 mm²

520-540 N/mm²

20020 - 20790 N

3311 m

780 M (30%)

8 mm Ordinary TMT Bars

50.28 mm²

350-415 N/mm²

17598 - 20866 N

2531 m

9 mm RHL GOLD 500 HD

63.64 mm²

520-540 N/mm²

33092 - 34365 N

2001 m

380 m (23.5%)

10 mm Ordinary TMT Bars

78.56 mm²

350-415 N/mm²

27496 - 32602 N

1620 m


11 mm RHL GOLD 500 HD

95.07 mm²

520-540 N/mm²

49436 - 51337 N

1339 m

214 m (19%)

12 mm Ordinary TMT Bars

113.14 mm²

350-415 N/mm²

39599 - 46953  N

1125 m

ASSUMPTIONS

  • Yield strength of ordinary TMT bars taken as 350 - 415 N/mm².
  • Yield strength of RHL GOLD 500 HD TMT bars taken as 520 - 540 N/mm².
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