ISO-11257 Historical Revision Information
Iron ores for shaft direct-reduction feedstocks - Determination of the low-temperature reduction-disintegration index and degree of metallization

ISO-11257 - 2ND EDITION - SUPERSEDED
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ISO 11257:2007 specifies a method to provide a relative measure for evaluating the degree of size degradation and degree of metallization of iron ores, when reduced under conditions resembling those prevailing in shaft direct-reduction processes.

ISO 11257:2007 is applicable to lump ores and hot-bonded pellets.

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73.060.10 (Iron ores)

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Document Number

ISO 11257:2007

Revision Level

2ND EDITION

Status

Superseded

Publication Date

Oct. 15, 2007

Committee Number

ISO/TC 102/SC 3