IRON( Fe)63.5% minimum
( SlO2 ) 1.35%
ALUMINA ( Al203 )0.4
CHLORINE ( Cl )0.01
MANGANESE ( Mn)0.02
MAGNESIUM OXIDE ( MgO )0.05
CALCIUM OXIDE ( CaO)0.02
SODIUM OXIDE ( Na20)0.020
POTASSIUM OXIDE ( K2O) 0.000
PHOSPHORUS (P) 0.015
SULFUR (S) 0.005
TITANIUM (TiO2) 0.050
LOSS ON IGNITION 0.250
CHROMIUM ( Cr) 0.008
COPPER ( Cu) 0.005
NICKEL ( Ni)0.005
LEAD (Pb)0.005
TIN ( Sn)0.001