Strength of the bars are carefully controlled by optimizing the water pressure for their pearlitic core and tough surface of tempered marten site, thereby providing an optimum strength, ductility and toughness. TMT bars are widely used in general purpose concrete reinforcement structures, bridges and flyovers, dams, thermal and hydel power plants, industrial structures, high-rise buildings, underground platforms in metro railway and rapid transport system. TMT Bars are thermo-mechanically-treated through leading world tempcore based technology for high yield strength. The process involves rapid quenching of the hot bars through a series of water jets after they roll out of the last mill stand. The bars are cooled, allowing the core and surface temperatures to equalize. The bar core cools down slowly to turn into a ferrlite-pearlite aggregate. Kamdhenu Limited, Bhiwadi unit has been authorized to manufacture Tempcore TMT under licence agreement.
Features of TMT Bars
- Enhanced strength combined with high ductility
- Excellent weldability without loss of strength at welded joints
- Better ductility and malleability
- Earthquake resistant
- High thermal resistance
- Significant savings in cost of steel
TMT (Thermo Mechanicallly Treated Bars) are the most popular reinforcement bars in the world. Kamdhenu Group is the largest reinforcement bars manufacturing group in India. The group is manufucturing international quality TMT of Grade bars with best features for construction industry. High speed Latest Technology TMT Grade Fe-500, Fe-550, Fe-500D has the best strength with better mildness, better corrosion resistance, better bond strength with cement, Resistance to fire hazard, excellent ductility, higher fatigue strength, easy work ability at site, better results than BIS standards, savings of 14-19% steel, reduction in construction costs.
