KS E ISO 11258-2017(2022) Iron ores for shaft direct-reduction feedstocks-Determination of the reducibility index, final degree of reduction and degree of metallization
2017KS E ISO 11258:2017 Iron ores for shaft direct-reduction feedstocks-Determination of the reducibility index, final degree of reduction and degree of metallization
2008KS E ISO 11258:2008 Iron ores for shaft direct-reduction feedstocks-Determination of the reducibility index, final degree of reduction and degree of metallization