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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

Oct 30, 2007
95.99 Withdrawal of Standard   Aug 17, 2015

General information

95.99     Aug 17, 2015

ISO

ISO/TC 102/SC 3

International Standard

73.060.10  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11258:1999

NOW

WITHDRAWN
ISO 11258:2007
95.99 Withdrawal of Standard
Aug 17, 2015

REVISED BY

PUBLISHED
ISO 11258:2015