Table 2: Compositions of steel slags (wt.%) compiled from different reports from Europe to Japan [6]/p.935/.
Country Slag Fetotal CaO MnO MgO SiO2 P2O5 Al2O3 S
Europe BOF slag, low MgO content 14-20 45-55 <5 <3 12-18 <2 <3 NR
BOF slag, high MgO content 15-20 42-50 <5 5-8 12-15 <2 <3 NR
EAF slag, low MgO content 18-28 30-40 <6 4-8 12-17 <1.5 4-7 NR
EAF slag, low MgO content 20-29 25-35 <6 8-15 10-15 <1.5 4-7 NR
Japan BOF slag (converter) 17.5 44.3 5.3 6.4 13.8 NR 1.5 0.07
EAF slag (elec.furn. oxidation) 15.2 38 6 6 19 NR 7 0.38
China BOF slag 17-27 34-48 1.5-6 2.5-10 9-15 0.9 0.9-2.8 0.2
USA BOF slag 15-30 40-50 5-10 5-10 10-15 1-3 2 NR