GRW

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Pig Iron  Pakistan

 

 

 

 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.