Refractories
Pig Irons
Grades & Chemical Composition of Pig Iron
| BF | Trade |
Grade |
Carbon |
Si |
Mn |
Ph |
S |
BF |
B |
Steel |
3.8 - 4.2 |
0.8 - 1.25 |
0.40 |
0.12 Max |
0.060 Max |
BF |
FG1 |
Foundry |
3.8 - 4.2 |
1.5 - 1.99 |
0.4 - 0.7 |
0.12 Max |
0.050 Max |
BF |
FG2 |
Foundry |
3.8 - 4.2 |
2.00 - 2.50 |
0.5 - 0.8 |
0.12 Max |
0.050 Max |
BF |
FG3 |
Foundry |
3.8 - 4.2 |
2.5 - 3.0 |
0.5 - 0.8 |
0.12 Max |
0.050 Max |
BF |
SPL |
Foundry |
3.8 - 4.2 |
3.0+ |
0.5 - 0.8 |
0.12 Max |
0.050 Max |

Sponge iron
Constituent |
Percentage |
|
|
A. Chemical |
Fe, Total 90-92 |
|
|
B. Physical (Size) |
Lump +3 mm |

Mild Steel Billets

Manganese Ore

Bauxite
Specification of Ferro Silicon:
Silicon |
70-75% |
Al |
2% Max. |
Carbon |
0.15% Max. |
Sulphur |
0.05% Max |
Phosphate |
0.05% Max. |
Specification of High Carbon Ferro Manganese:
Component |
High Carbon 65/70 |
High Carbon 70/75 |
High Carbon 75/80 |
Manganese |
65% Min |
70% Min |
75% Min |
Silicon |
2% Max |
1.5% Max |
1.5% Max |
Carbon |
7.5% Max |
7.5% Max |
7.5% Max |
Phosphate |
0.35% Max |
0.35% Max |
0.25% Max |
Sulphur |
0.04% Max |
0.04% Max |
0.035% Max |
Specification of Medium Carbon Ferro Manganese:
Component |
Medium Carbon 65/70 |
Medium Carbon 70/75 |
Medium Carbon 75/80 |
Manganese |
65% Min |
70% Min |
75% Min |
Silicon |
3-4% Max |
3-4% Max |
3-4% Max |
Carbon |
2% Max |
2% Max |
2% Max |
Phos. |
0.3% Max |
0.25% Max |
0.25% Max |
Silico Manganese
Silico Manganese 60/14 |
|
Mn |
60-65% |
Si |
14-17% |
C |
2.5% max. |
P |
0.4% max. |
S |
0.04% max. |
Size |
10-75 mm (90% min.) |
High Carbon Ferro Chrome |
||||||||||||||
|
Ferro Vanadium
Specifications:
% |
C |
S |
P |
Si |
Al |
||
Ferro Vanadium |
|||||||
Grade A |
V |
78-82 |
0.15 |
0.05 |
0.05 |
2.0 |
2.0 |
Grade B |
V |
55-60 |
0.10 |
0.05 |
0.05 |
1.5 |
2.0 |
Grade C |
V |
50-55 |
0.10 |
0.05 |
0.05 |
1.5 |
2.0 |
Ferro Tungsten
- W 74-80%
- C 0.25% max
- Si 1% max
- Mn 0.5% max
FERRO MOLYBDENUM |
|||||||||
Grade |
Mo |
C |
Si |
S |
P |
Du |
AI |
Pb |
Sn |
Max |
Max |
Max |
Max |
Max |
Max |
Max |
Max |
||
(1) |
(2) |
(3) |
(4) |
(5) |
(6) |
(7) |
(8) |
(9) |
(10) |
High carbon |
|||||||||
FeMo 63C600 |
55-60 |
6.0 |
3.0 |
0.20 |
0.10 |
0.50 |
0.50 |
0.01 |
0.03 |
FeMo 57C600 |
60-65 |
6.0 |
3.0 |
0.11 |
0.10 |
0.50 |
0.50 |
0.01 |
0.03 |
Medium carbon |
|||||||||
FeMo 57C50 |
55-60 |
0.50 |
1.5 |
0.06 |
0.10 |
0.50 |
0.50 |
0.01 |
0.03 |
60-65 |
0.50 |
1.5 |
0.06 |
0.10 |
0.50 |
0.50 |
0.01 |
0.03 |
|
65-70 |
0.50 |
1.5 |
0.06 |
0.10 |
0.50 |
0.50 |
0.01 |
0.03 |
|
70-75 |
0.50 |
1.5 |
0.06 |
0.10 |
0.50 |
0.50 |
0.01 |
0.03 |
|
Low carbon |
|||||||||
FeMo 63C10 |
60-65 |
0.10 |
2.0 |
0.08 |
0.06 |
0.50 |
0.50 |
0.01 |
0.03 |
FeMo 67C10 |
65-70 |
0.10 |
2.0 |
0.08 |
0.06 |
0.50 |
0.50 |
0.01 |
0.03 |
