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View larger ISO 11258:2007 [ Withdrawn ]
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ISO 11258:2007 Iron ores for shaft direct-reduction feedstocks - Determination of the reducibility index, final degree of reduction and degree of metallization
standard by International Organization for Standardization, 11/01/2007
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Full Description
ISO 11258:2007 specifies a method to provide a relative measure for evaluating the extent and ease to which oxygen can be removed from iron ores, when reduced under conditions resembling those prevailing in shaft direct-reduction processes. It specifies the determination of the reducibilty, final degree of reduction and degree of metallization.
ISO 11258:2007 is applicable to lump ores and hot-bonded pellets.