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 |