 Pakistan
Steel produces, two grades of Pig Iron - Foundry
Grade Pig Iron (F.P.I) and Conversion Grade Pig Iron
(C.P.I). Normal practice at Pakistan Steel is to produce
Conversion Grade Pig Iron (CPI).
Pig Weight: |
45kg (Max) |
Width of Pig: |
115 to 200mm |
Thickness of Pig: |
60 to 100 mm |
| No. of Notches: |
2 |
| Packing: |
Loose |
Chemical Compositions
Type |
Carbon
% |
Silicon %
|
Manganese
% |
Sulphur
% (max) |
Phosphorous % (max) |
| FPI--1 |
3.5
to 4.5 |
3.26 to 3.75
|
0.5
to 1.2 |
0.06 |
0.30 |
FPI--2 |
3.5
to 4.5 |
2.76
to 3.25 |
0.5
to 1.2 |
0.06 |
0.30 |
| FPI--3 |
3.5
to 4.5 |
2.26
to 2.75 |
0.5
to 1.2 |
0.06 |
0.30 |
| FPI--4 |
3.5
to 4.5 |
1.76
to 2.25 |
0.5
to 1.2 |
0.06 |
0.30 |
|
FPI--5
|
3.5
to 4.5 |
1.26
to 1.75 |
0.5
to 1.2 |
0.06 |
0.30 |
|
FPI--6 |
3.5 to 4.5 |
1.0
to 1.25 |
0.5 to 1.2 |
0.06 |
0.30 |
|
CPI--1--A |
3.5
min |
1.25
max |
0.4
min |
0.05 |
0.30 |
CPI--1--B |
3.5
min |
1.25
max |
0.4
min |
0.05
- 0.07 |
0.30 |
Sulphur more than
0.06% in FPI would be called FP I- Special and CPI
with sulphur more than 0.07% would be called CPI -
Special.
|
