BS-ISO-11258 Complete Document History
Iron ores for shaft direct-reduction feedstocks. Determination of the reducibility index, final degree of reduction and degree of metallization

Complete Current Edition:
   2015 EDITION - index, final degree of reduction and degree of metallization - Sept. 30, 2015

Obsolete Revision Information:
   2007 EDITION - INDEX, FINAL DEGREE OF REDUCTION and DEGREE OF METALLIZATION - Dec. 31, 2007