| |
Gas based Sponge Iron
 |
| |
DRI |
HBI |
| |
(Directly Reduced Iron) |
(Hot Briquetted Iron) |
| Fe Total (%) |
90-94 |
90-94 |
| Fe Metallic (%) |
83-89 |
83-89 |
| Metallization (%) |
92-95 |
92-95 |
| Carbon (%) |
1.0-3.5 |
0.5-2.5 |
| P (%) |
0.005-0.09 |
0.005-0.09 |
| S (%) |
0.001-0.03 |
0.001-0.03 |
| Gangue |
2.8-6.0 |
2.8-6.0 |
| Mn, Cu, Ni, Cr, Mo (%) |
trace |
trace |
| Sn, Pb and Zn (%) |
trace |
trace |
| Bulk Density (Kg/m3) |
1600-1900 |
2400-2800 |
(lbs/ft3) |
100-120 |
150-175 |
| Apparent Density (g/cm3) |
3.4-3.6 |
5.0-5.5 |
(lbs/ft3) |
210-225 |
310-340 |
|
Coal based Sponge Iron
 |
Characteristics |
|
% Non-magnetic |
1.0 Max. |
% Metallic Fe |
80 Min. |
% Total Fe |
90 Min. |
Metallization |
87 Min. |
%Phosphorous |
0.05 Max. |
% Sulphur |
0.03% |
% Carbon |
0.3 Max. |
% SiO2+ Al2O3 |
5 Max |
|
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