All About Our Products
We manufacture premium-quality steel billets and ingots that conform to international quality standards. Our steel billets and ingots possess greater strength, better pressure tightness and excellent conduction of heat and electricity.
Below, you'll find a few tables that contain all the info you need to know about our product range.
Chemical Composition
| Element-IS 1786:2008 |
|
Indian Standards |
श्री Navadurga 500 Thermex TMT Specification |
|
Fe415 |
fe500 |
fe500D |
fe550 |
Navadurga 500 TMT Fe415 |
Navadurga 500 TMT Fe500 |
Navadurga 500 TMT Fe500D |
Navadurga 500 TMT Fe550 |
| Carbon, Max |
0.3 |
0.3 |
0.25 |
0.3 |
0.23 |
0.23 |
0.23 |
0.23 |
| Sulphur, Max |
0.06 |
0.055 |
0.040 |
0.055 |
0.045 |
0.040 |
0.035 |
0.040 |
| Phisphorus, Max |
0.06 |
0.055 |
0.040 |
0.050 |
0.055 |
0.055 |
0.035 |
0.050 |
| S+P, Max |
0.11 |
0.105 |
0.075 |
0.100 |
0.100 |
0.095 |
0.070 |
0.090 |
Mechanical Properties
| Element-IS 1786:2008 |
|
Indian Standards |
श्री Navadurga 500 Thermex TMT Specification |
|
Fe415 |
fe500 |
fe500D |
fe550 |
Navadurga 500 TMT Fe415 |
Navadurga 500 TMT Fe500 |
Navadurga 500 TMT Fe500D |
Navadurga 500 TMT Fe550 |
| Yeild strength, Min(N/mm²) |
415 |
500 |
500 |
550 |
450 |
530 |
530 |
580 |
| Ultimate Tensile Strength, Min (N/mm²) |
485 |
545 |
565 |
585 |
530 |
570 |
590 |
610 |
| Elongation, Min (A),(%) |
14.5 |
12 |
16 |
10 |
18-22 |
15-21 |
18-21 |
12-18 |
Bend Properties
| Nominal Size mm Mandral Diameter For Different Grades (IS 1786: 2008) |
|
Indian Standards |
श्री Navadurga 500 Thermex TMT Specification |
|
Fe415 |
fe500 |
fe500D |
fe550 |
Navadurga 500 TMT Fe415 |
Navadurga 500 TMT Fe500 |
Navadurga 500 TMT Fe500D |
Navadurga 500 TMT Fe550 |
| Upto & including |
3d |
4d |
3d |
5d |
3d |
3d |
3d |
3d |
| Ultimate Tensile Strength, Min (N/mm²) |
4d |
5d |
4d |
6d |
3d |
4d |
3d |
5d |
Weight Tolerence (BIS 1786 : 2008)
| Size of Bar (mm²) |
Cross-Sectional Area (mm²) |
IS 1786 Lower |
IS 1786 Standard |
IS 1786 Upper |
श्री Navadurga 500 TMT Fe415 Specification |
| 8 |
50.3 |
0.367 |
0.395 |
0.423 |
0.375 |
- |
0.415 |
| 10 |
78.6 |
0.574 |
0.617 |
0.660 |
0.586 |
- |
0.648 |
| 12 |
113.1 |
0.844 |
0.888 |
0.932 |
0.861 |
- |
0.915 |
| 16 |
201.2 |
1.501 |
1.580 |
1.659 |
1.533 |
- |
1.627 |
| 20 |
314.3 |
2.396 |
2.470 |
2.544 |
2.396 |
- |
2.544 |
| 25 |
491.1 |
3.735 |
3.850 |
3.966 |
3.735 |
- |
3.966 |
| 28 |
616.0 |
4.685 |
4.830 |
4.975 |
4.733 |
- |
4.927 |
| 32 |
804.6 |
6.121 |
6.310 |
6.499 |
6.184 |
- |
6.436 |