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ISO 11257:2022

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

Üldinfo
Kehtiv alates 22.03.2022
Tegevusala (ICS grupid)
73.060.10 Rauamaagid
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
22.03.2022
Põhitekst
17.08.2015
Põhitekst
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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