Needless to mention, TMT bars are one of the widely used materials in construction for superior protection against earthquakes and other types of disasters and they have also witnessed a significant increase in market demand. In order to ensure of the structure, the best quality TMT bars must be purchased which should be resistant to corrosion and helps to obtain a prolonged life to the structure.
TMT bar manufacturers in India manufacture four different grades of TMT bars – Fe-415, Fe-500, Fe-550, and Fe-600. The numbers indicate the level of stress that must be applied to deform it and higher the grade, the stronger and superior the bar is. The grades are given according to their strength and rigidity.
These are different grades of these bars which the TMT bar manufacturers in India produces
Fe-415 – This grade of TMT bar is perfect choice for homes and residential construction. They feature higher elongation which makes them absolutely perfect for building structures in earth quake-prone areas. These grades of bars are also resistant to corrosion and rust as they feature anti-resistant coating.
Fe-500 – This grade of TMT bar is popularly known for its uses during the construction of bridges, underground structures and multi-story commercial buildings. They are perfectly resistant to corrosion and that is the reason they used widely in coastal areas
Fe-550 – They are slightly better than Fe-550 grade and they are used both for construction activities which Fe-500 is capable of and also for those projects which is a little bit difficult for Fe-500 to handle.
Fe-600 – This type of TMT grade is generally used for heavy industrial construction as they require extraordinary strength and hardiness. This grade feature higher tensile strength than any of the other grades.
Applicability of TMT bars
TMT bars have now become the gold standard in construction and are used widely in diverse projects, such as
- Residential projects
- High rise residential buildings
- Office / industrial structures
- Dams
- Long span bridges and flyovers
- Large structures such as Malls, Schools, Airports, Hospitals, etc.
- Underground structures
- Underwater or marine structures
Calculation for the weight of a steel bar
W = dia² x 100/162 = Weight kg/mtr.
SIZES WITH SECTION WEIGHT OF TMT |
Size | Soot | Pc/Bundle | Apox Weight/Mtr | Apox weight/Per kg | Length | Approx Bundle Weight |
---|---|---|---|---|---|---|
8mm | 2.5 | 20 | 0.395 | 4.74 | 12 mtr | 94.8 |
10mm | 3 | 13 | 0.617 | 7.4 | 12 mtr | 96.2 |
12mm | 4 | 9 | 0.888 | 10.66 | 12 mtr | 95.9 |
16mm | 5 | 5 | 1.58 | |||
18.96 | 40 ft | 94.8 | ||||
46 ft | 110.8 | |||||
50 ft | 120.4 | |||||
20mm | 6 | 3 | 2.47 | |||
29.62 | 40 ft | 88.86 | ||||
46 ft | 103.9 | |||||
50 ft | 112.9 | |||||
25mm | 8 | 1 | 3.85 | |||
46.29 | 40 ft | 46.29 | ||||
46 ft | 54 | |||||
50 ft | 58.7 | |||||
28mm | 9 | 1 | 4.83 | 58.07 | 12 mtr | 58.07 |
32mm | 10 | 1 | 6.31 | 75.85 | 12 mtr | 75.72 |
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Tags: TMT Bars, TMT Sariya, FE 500 TMT, FE 550 D TMT, FE 415 TMT, Sariya