ISO-11257 Complete Document History
Iron ores for shaft direct-reduction feedstocks - Determination of the low-temperature reduction-disintegration index and degree of metallization

Complete Current Edition:
   3RD EDITION - Determination of the low-temperature reduction-disintegratio - Aug. 15, 2015

Obsolete Revision Information:
   2ND EDITION - Determination of the low-temperature reduction-disintegratio - Oct. 15, 2007
   1ST EDITION - IRON ORES - DETERMINATION OF D - July 1, 1998