TMT Bars
Representation of TMT bars is done by its diameter. For e.g.: 8mm TMT bar means diameter of that bar is 8mm.
Following are the sizes available in Reinforcement bars: Diameter (in mm): 8, 10, 12, 16, 18, 20, 25, 28, 32, 40, 45.
Grades of TMT Bars
| Standard |
Grade |
Remarks |
Yield Strength N/mm2 (min) |
UTS N/mm2 (min) |
% Elongation (min) |
| IS
1786-1985 |
FE- 415 |
- |
415 |
485 |
14.5 |
| IS
1786-1985 |
FE- 500 |
- |
500 |
545 |
12 |
| IS
1786-1985 |
FE- 550 |
- |
550 |
585 |
8 |
| Re-Bars with corrosion resistant
element |
CRM |
Cu+Cr+P = 0.75 % min |
415 |
485 |
14.5 |
| HSCRM |
Cu+Cr+P = 0.75 % min |
500 |
545 |
12 |
| Earth Quake resistance |
EQR |
|
|
|
14.5 |
The following table shows the size of each TMT steel rebar along with their respective weights as recommended by IS 1786:2008 standard. TMT steel bars are manufactured of sizes from 8mm to 32mm.
IS 1786:2008 (Kg/Mtr)
| Size |
Standard |
Min |
Max |
| 8mm |
0.395 |
0.367 |
0.423 |
| 10mm |
0.617 |
0.574 |
0.660 |
| 12mm |
0.888 |
0.844 |
0.932 |
| 16mm |
1.578 |
1.499 |
1.657 |
| 20mm |
2.466 |
2.392 |
2.540 |
| 25mm |
3.854 |
3.738 |
3.940 |
| 28mm |
4.835 |
4.690 |
4.980 |
| 32mm |
6.316 |
6.127 |
6.505 |
Make: SAIL, JSW, GOEL TMT, SPEED, LODHA TMT
