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>ISO Standards>ISO 11257:2022-Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
immediate downloadReleased: 2022
ISO 11257:2022-Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization

ISO 11257:2022

ISO 11257:2022-Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization

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Standard´s number:ISO 11257:2022
Pages:9
Edition:4
Released:2022
Language:English
DESCRIPTION

ISO 11257:2022


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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