Processors of Iron and Steel Slag in Canada

AC Air-cooled blast furnace slag
BOF Basic Oxygen Furnace steel slag
Exp Expanded pelletized blast furnace slag
GG Ground Granulated blast furnace slag
EAF Electric Arc Furnace steel slag


Slag Processing CompanyPlant LocationSteel CompanyServiced

Canadian Slag ServicesNanticoke, ONStelcoAC, GG, BOF
Lafarge N.A.Hamilton, ONArcelorMittal DofascoAC, Exp
Harsco MetalsHamilton, ONArcelorMittal DofascoBOF, EAF
Harsco MetalsCambridge, Whitby, ONGerdauEAF
Harsco MetalsNanticoke, ONStelcoBOF
Inter-Ontario (Superior Slag Products)Sault Ste Marie, ONEssar Steel AlgomaAC
TMS InternationalL'Orignal, ONIvaco Rolling MillsEAF
TMS InternationalHamilton, ONHamilton Specialty BarEAF
TMS InternationalRegina, SKEvraz ReginaEAF
TMS InternationalEdmonton, ABAltaSteelEAF
Waterford Industrial ServicesHamilton, ONArcelorMittal DofascoAC, Exp


Slag DistributorLocationProducts Available

ArcelorMittal DofascoHamilton, ONExp, BOF, EAF
Canadian Slag Services Brantford, ON AC, BOF
CRH Canada Mississauga, ON GG
FRS Inc. Brantford, ON EAF, BOF
Harsco Metals Contrecoeur, PQ EAF
Harsco Metals Cambridge, ON EAF
Harsco Metals Whitby, ON EAF
Lafarge N.A. Hamilton, ON AC, Exp
St Marys Cement Toronto, ON GG
Inter-Ontario (Superior Slag Products) Sault Ste Marie, ON AC
TMS International L'Orignal, ON EAF
TMS International Hamilton, ON EAF
TMS International Regina, SKEAF
TMS International Edmonton, ABEAF