Weight 0. 5 1. 5 kg (1. 0 3. 5 lbs) Apparent Density > 5. 0 g/ cm3 (> 310 lbs/ ft3) Bulk Density 2. 88 metric tons/ m3 (180 lbs/ ft3) Length 90 130 mm (3. 5 5. 0 in) Width 48 110 mm (1. 9 4. 5 in) Thickness 20 50 mm (0. 75 2. 0 in) Fines < 4 mm HBI Chemical Characteristics (ranges % by wt. ) : Fe (total) 90 - 94% Fe (metallic) 83 - 88% C 0. 8 1. 7% P 0. 02 0. 11% S 0. 003 0. 030% Gangue 1. 95 5. 10% Residuals Minimal (trace) Gangue is oxides not in metallic form (i. e. , SiO2, Al2O3, CaO, MgO, and MnO) that remain in the HBI and are removed in the iron or steelmaking process. Residuals are undesirable chemical elements for steelmaking (i. e. , Cu, Ni, Cr, Mo, Sn, Pb, and V)
