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ISO 11257:2007

Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization

Oct 31, 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  

English  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11257:1998

NOW

WITHDRAWN
ISO 11257:2007
95.99 Withdrawal of Standard
Aug 17, 2015

REVISED BY

WITHDRAWN
ISO 11257:2015