Coal >> Thermal Coal
| Specifications (As per ISO or ASTM Standards) |
Unit |
Specifications |
| Total Moisture (ARB) |
% |
13-15 |
| Inherent Moisture (AD) |
% |
6 |
| Volatile Matter (AD) |
% |
42-45 |
| Total Sulphur (AD) |
% |
0.8 |
| Ash Content (AD) |
% |
15 |
| Gross Calorific Value (AD) |
Kcal / Kg |
6500 |
| HGI |
Number |
42-45 |
| Size |
mm |
0-50 |
Coal >> Coking Coal
| Specifications(As per ISO or ASTM Standards) |
Unit |
Specifications |
| Total Moisture (ARB) |
% |
9.0 |
| Inherent Moisture (AD) |
% |
2.5 |
| Volatile Matter (AD) |
% |
38.0 |
| Total Sulphur (AD) |
% |
0.55 |
| Ash Content (AD) |
% |
9.0 |
| Fixed Carbon (AD) |
% |
50.5 |
| Phosphorus (AD) |
% |
0.018 |
| Chlorine (AD) |
% |
0.020 |
| HGI |
Number |
50 |
| CSN |
|
7.5 |
Low Ash Metallurgical Coke (B/F Grade)
| SPECIFICATIONS : |
|
| MOISTURE |
5% MAX |
| PHOS |
0.03% MAX |
| SUL |
0.60% MAX |
| CSR |
+ 65% (MOST IMPORTANT) |
| CRI |
23% MAX |
| M40 |
85% MIN |
| M10 |
7% MAX |
| SIZE TOLERANCE |
I30-80MM (90% MIN) |
Low Metallurgical Coke (Ferro – Alloys Grade)
| SPECIFICATIONS : |
|
| MOISTURE |
5% MAX |
| PHOS |
0.03% MAX |
| SUL |
0.60% MAX |
| CSR |
+ 65% |
| CRI |
23% MAX |
| M40 |
85% MIN |
| M10 |
7% MAX |
| ASH |
12.00% MAX |
| VM |
1.50% MAX |
| SIZE |
10-30MM (90% MIN) |
Iron Ore
| pecs |
65.00/64.00 |
64.50/63.00 |
63.50/63 |
62.00/62.00 |
| FE |
65% basis |
64.50% basis |
63.50% basis |
62.00% basis |
|
64% min. |
63% min. |
63.% min. |
62% min. |
| SiO2 |
3.00% max. |
3.50% max. |
3.00% max. |
3.00% max. |
| Al2O3 |
2.50% max. |
3.00% max. |
3.00% max. |
3.00% max. |
| P |
0.05% max. |
0.06% max. |
0.07% max. |
0.07% max. |
| S |
0.02% max |
0.02% max |
0.02% max |
0.05% max |
| Moisture |
8.00% max. |
8.00% max. |
8.00% max. |
8.00% max. |
| Size |
0-10mm |
0-10mm |
0-10mm |
0-10mm |
Iron Ore Pellets For Blast Furnace And Sponge Iron
| Chemical Analysis |
|
| Fe |
64.5% MIN |
| Moisture (H2O) |
2.0% MAX |
| FeO |
2.0% MAX |
| SiO2 |
6.4% MAX |
| Al2O3 |
0.4% MAX |
| CaO |
0.3% MIN |
| CaO + MgO/SiO2 + Al2O3 |
0.13% MIN |
| Physical, Metallurgical Property |
|
| Cold Compression Strength |
235 Kg/Pellet MIN |
| Abrasion Index (Al) [-0.5 mm] |
4.2% MAX |
HBI
| Chemical Analysis |
|
| Total Fe |
91.5 % min |
| Metallic Fe |
85.5 % min |
| Metallization |
93.0 % min |
| C |
1.5 % min |
| P |
0.09 % max |
| S |
0.003 % max |
| SiO2 (Silica) |
1.9 % max |
| MgO |
0.5 % max |
| CaO |
0.9 % max |
| Al2O3 (Alumina) |
1.1 % max |
| Gangue (CaO+MgO+SiO2+Al2O3) |
4.4 % max |
| Residual elements |
Traces |
| Physical analysis |
|
| Size |
108 x 48 x 32 mm |
| Weight |
0.5 – 0.7 Kgs |
| Bulk Density |
2.6 – 2.8 ton/M3 |
| Apparent density |
>5.0 gms / cm3 |
| Granulometric distribution |
>4 mm : 98% |
| Moisture |
|
Pig Iron
| Specifications : |
|
|
| Chemical Analysis |
|
|
|
I |
II |
| C |
3.5%-4.5% |
3.5%-4.5% |
| Mn |
0.60% MAX |
0.50% MAX |
| Si |
0.75% – 1.5% |
0.75% MAX |
| P |
0.125% MAX |
0.12% MAX |
| S |
0.06% MAX |
0.05% MAX |
| Physical |
|
|
| Notch & Piece Weight |
(i) 1 Notch 35 / 40 KGS |
|
|
(ii) 2 Notches up to 45 KGS |
|
Ferro Alloys
| High Carbon Ferro Manganese |
|
| a) Grade: 75% |
b) Grade: 70 % |
| Specifications: |
Specifications: |
| Mn. 75% Min |
Mn. 75% Min |
| Si. 1.5% Max |
Si. 1.5% Max |
| C. 6-8% or 8%Max |
C. 8%Max |
| S. 0.04% Max |
S. 0.05% Max |
| P. 0.25% Max |
P. 0.25% Max |
| Size: 10-50mm, 10-60mm, 10-100mm |
Size: 10-50mm, 10-60mm, 10-100mm |
Silicon Manganese
| Specifications : |
Specifications : |
Specifications : |
| a) Grade: 60/14 |
b) Grade: 65/15 |
c) Grade: 65/16 |
| Mn. 60% Min |
Mn. 65% Min |
Mn. 65% Min |
| Si. 14% Min |
Si. 15% Min |
Si. 16 Min |
| C. 2%Max |
C. 2% Max |
C. 2% Max |
| S. 0.03% Max |
S. 0.03% Max |
S. 0.03% Max |
| P. 0.030% Max |
P. 0.030% Max |
P. 0.030% Max |
| Size: 10-50mm, 10-60mm, 10-100mm |
Size: 10-50mm, 10-60mm, 10-100mm |
Size: 10-50mm, 10-60mm, 10-100mm |
High Carbon Ferro Chrome
| Specifications : |
Specifications : |
Specifications : |
| a ) |
b ) |
c ) |
| Cr 60%Min |
Cr 60%Min |
Cr 60%Min |
| Si. 3.5% Max |
Si. 3% Max |
Si. 2.5%Max |
| C. 8% Max |
C. 8% Max |
C. 8.5Max |
| S. 0.05% Max |
S. 0.05% Max |
S. 0.05% Max |
| P. 0.035% Max |
P. 0.035% Max |
P. 0.035% Max |
| Size: 10-50mm, 10-60mm, 10-100mm |
Size: 10-50mm, 10-60mm, 10-100mm |
Size: 10-50mm, 10-60mm, 10-100mm |
Graphite Electrode
| Diameter |
mm |
350 – 450 |
500 – 650 |
700– 800 |
|
Inch |
14 – 18 |
20 – 26 |
28–32 |
| Apparent Density |
g/cm³ |
1.60 – 1.75 |
1.67 – 1.77 |
1.68-1.77 |
| Specific Electrical Resistance |
Ωμm |
5.0 – 7.5 |
4.5 – 5.5 |
4.0–5.5 |
| Flexural Strength |
N/mm² |
8 -13 |
10 – 13 |
10– 13 |
| Thermal Conductivity |
W/(K-m) |
220 – 270 |
250 – 280 |
250–300 |
| Coefficient of Thermal Expansion |
μm/(K-m) |
0.5 – 1.1 |
0.3 – 0.6 |
0.3–0.6 |
| Current Carrying Capacity |
|
|
|
|
|
Electrode Size
(mm) |
Current Carrying Capacity
(K amps) |
|
|
|
350 |
40 |
|
|
|
400 |
40 |
|
|
|
450 |
50 |
|
|
|
500 |
60 |
|
|
|
550 |
80 |
|
|
|
600 |
100 |
|
|
|
650 |
120 |
|
|
|
700 |
180 |
|
|
|
750 |
160 |
|
|
|
800 |
140 |
|
|
Refractories
| Refractory supply for Steel. |
| A. Iron Making |
| B. Steel Making |
| C. Secondary Refining |
| D. Casting |
| E. Reheating furnace |
| F. Services for Refractory Area:- |
– Major Relining jobs.
– Electromechanical maintenance.
– Refractory maintenance and application equipment & services.
