ISO 11257:2022
International Standard
Current Edition
·
Approved on
22 March 2022
Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
ISO 11257:2022 Files
English
9 Pages
Current Edition
31.35 OMR
ISO 11257:2022 Scope
This document 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.
This document is applicable to lump ores and hot-bonded pellets.
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