BASIC GRADE STEEL MAKING PIG IRON :
CHEMISTRY : C: 3.5 - 4.5%; Mn : 1% MAX; Si : 1.25% MAX;
P : 0.15% MAX; S : 0.05% MAX.
SIZE: Pigs with upto two notches upto 45kgs in weight.chips/broken pieces below 25mm not exceeding 5%. dust, dirt and moisture exceeding 0.5%
deductible from draft survey wt.