Product Catalog — Raw Materials

Pig Iron

High-quality Foundry Grade (FPI) and Conversion Grade (CPI) pig iron produced for foundries and steel-making operations.

Grades & Specifications

Pakistan Steel produces two primary grades of Pig Iron: Foundry Grade Pig Iron (F.P.I) and Conversion Grade Pig Iron (C.P.I). Standard practice at Pakistan Steel is to produce Conversion Grade Pig Iron (CPI).

Pig Weight:	45 kg (Max)
Width of Pig:	115 to 200 mm
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

Notes: Sulphur more than 0.06% in FPI would be designated as FPI-Special, and CPI with sulphur more than 0.07% would be designated as CPI-Special.