PEEKAY ROLLING MILLS (P) LTD
CHEMICAL COMPOSITION
| Chemistry |
Unit |
IS 1786:1985 Fe-415 |
IS 1786:1985 Fe-500 |
Peekay TMT Fe-415 & Fe 500 |
| Carbon |
% Max |
0.300 |
0.300 |
0.15 - 0.22** |
| Manganese |
% Max |
........ |
........ |
0.50 - 0.90 |
| Sulphur |
% Max |
0.060 |
0.055 |
0.050 |
| Phosphurus |
% Max |
0.060 |
0.055 |
0.050 |
| Sulphur & phosphurus |
% Max |
0.110 |
0.105 |
0.100 |
** Carbon content of weldable bars should be less than 0.25%
MECHANICAL PROPERTIES
| Properties |
IS:1786-1985 |
Peekay |
IS:1786-1985 |
Peekay | |
| Minimum |
Unit |
Fe 415 |
TMT |
Fe 500 |
TMT 500 |
| Yield Strength |
N/mm2 min |
415* |
465 |
500* |
540 |
| Tensile Strength |
N/mm2 min |
485 |
530 |
545 |
590 |
| Elongation |
%min |
14.5 |
21 |
12 |
20 |
*Typical values
BENDING PROPERTIES
|
Operation |
IS:1786 Fe-415 |
Peekay TMT-415 |
IS:1786 Fe-500 |
Peekay TMT-500 |
| Simple Bend Test up to 22mm dia |
3d |
2d |
4d |
3d |
| Over 22mm |
4d |
3d |
5d |
4d |
| Rebend Test |
|
|
|
|
| Upto 10mm dia |
5d |
4d |
5d |
4d |
| Over 10mm |
7d |
6d |
7d |
6d |