Chemical Composition on Dry Basis
| Elements |
Fe |
SiO2 |
Al2O3 |
S |
P |
Moisture |
Physical Composition |
| Percentage |
58 to 65> |
5 to 8 |
4 to 8 |
<0.1 |
< 0.1 |
8% |
Size: 0 to 10mm - 90% Min |
Above 10mm - 10% Max |
Below 150 Micron - 25% Max |
Specifications of various Grades of Iron Ore Lumps
| Chemical Composition (Dry Basis) |
Sized Lumps |
| Fe |
64%-67% Basis |
| 63%-66% Min. |
| SiO2 |
2%-3% Max |
| Al2O3 |
2%-3%
Max |
| Phos |
0.06%-0.10%
Max |
| Sulphur |
0.05%
Max |
| Copper |
0.05%
Max |
| Total of Other metals (Except, Mn, Mg & Ca) |
0.15%
Max |
| Free moisture loss at 105 degrees C |
5%-6%
Max |
| Physical Composition (Wet Basis) |
6mm
to 40mm |
| Oversize |
2%-5%
Max |
| Undersize |
13%-21.2%
Max |
Specifications of Iron Ore Fines
| Chemical Composition (Dry Basis) |
| Fe |
62%-66% Basis |
| 62%-65%
Min |
| SiO2 |
2%-3.5%
max |
| Al2O3 |
2%-3%
Max |
| Phos |
0.06%-0.10%
Max |
| Sulphur |
0.02%-0.05%
Max |
| Copper |
0.02%-0.05%
Max |
| Total of Other metals (Except, Mn, Mg & Ca) |
0.15%
Max |
| Free moisture loss at 105 degrees C |
6%-10%
Max |
| Physical Composition (Wet Basis) |
150
Micron to 10mm |
| Oversize |
5%
Max |
| Undersize |
25%-30%
Max |
|
