| Quality - Performance |
TOPSTEEL has documented procedures for inspection and testing of all incoming raw-material and finished products in its in-house metallurgical, chemical and physical test laboratories equipped with sophisticated inspection equipment like Universal Testing Machine, Spectrometer, Microscope and other advanced facilities manned by a continuous team of qualified and experienced professionals. R & D is encouraged and has resulted in product and process quality improvements. |
| Top TMT Physical Properties |
| Physical Properties |
IS: 1786 Fe 415 |
IS 1786/85 FE 500 |
| |
TOP + 415 |
TOP + 500 |
| Yield Strength |
415 |
500 |
| Tensile Strength |
485 |
545 |
| % Elongation (Min) |
14.5 |
12.0 |
| UTS/Y.S (min) |
1.10 |
1.08 |
| Application |
General/E.Q.Z |
General/E.Q.Z |
|
| Performance Characteristics |
BS 4449 GR.460 |
BS 4449 / 2005 |
| |
TOP + 460 B |
TOP + 500 B |
TOP + 500 C |
| |
|
Fe 500B |
Fe500C |
| Yield Strength |
460 |
500 |
500 |
| Tensile Strength |
506 |
540 |
575 |
| % Elongation (Min) |
12 |
12 |
12 |
| UTS/Y.S (min) |
|
- |
1.15 |
| Application |
General/E.Q.Z |
General/E.Q.Z |
General/E.Q.Z |
|
| Physical Properties |
ASTM A615M GR. 75(520) |
| |
TOP + 520 |
| Yield Strength |
520 |
| Tensile Strength |
690 |
| % Elongation (Min) |
12 |
| UTS/Y.S (min) |
1.10 |
| Application |
General/E.Q.Z |
|
Top TMT Specifications
TOP+ TM |
| Sl.No. |
Description |
|
| 1 |
Carbon (% max) |
0.28 |
| 2 |
Sulphur & Phosphorous (% max) |
0.06 |
| 3 |
S+P (%max) |
0.11 |
| 4 |
Mn (% max) |
0.70 |
| 5 |
CE (% max) |
0.40 |
|
Top TMT Chemical Properties
Rib Bar / Deformed Bar
TOP+ TMT / Sizes & Weight Per Meter |
| Sl. No. |
Nominal Size in mm |
Weight in Kg |
Weight/Mtrs Tolerance |
| |
|
|
Tol ± |
Range |
| 1 |
8 |
0.395 |
6.50% |
0.369325 - 0.42068 |
| 2 |
10 |
0.617 |
6.50% |
0.576895 - 0.65711 |
| 3 |
12 |
0.888 |
4.50% |
0.848040 - 0.92796 |
| 4 |
16 |
1.580 |
4.50% |
1.508900 - 1.65110 |
| 5 |
20 |
2.470 |
4.50% |
2.358850 - 2.58115 |
| 6 |
25 |
3.850 |
4.50% |
3.676750 - 4.02325 |
| 7 |
28 |
4.830 |
4.50% |
4.612650 - 5.04735 |
| 8 |
32 |
6.310 |
4.50% |
6.026050 - 6.59395 |
| 9 |
36 |
7.990 |
4.50% |
7.630450 - 8.34955 |
| 10 |
40 |
9.850 |
4.50% |
9.406750 - 10.29325 |
|
| Square Bar |
| Sl. No. |
Nominal Size in mm |
Weight in Kg |
Weight/Mtrs Tolerance |
| |
|
|
Tol ± |
Range |
| 1 |
8 |
0.500 |
6.50% |
0.46750 - 0.53250 |
| 2 |
10 |
0.730 |
6.50% |
0.68255 - 0.77745 |
| 3 |
12 |
1.130 |
4.50% |
1.07915 - 1.18085 |
| 4 |
16 |
2.010 |
4.50% |
1.91955 - 2.10045 |
|
|
