ISO 11257:2022

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

Publication date: 22 mar 2022

General information

Current stage: 60.60 Effective date: 22 mar 2022

Originator: ISO

Owner: ISO/TC 102/SC 3

Type: International Standard

ICS: 73.060.10

Gjuha: anglisht

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Statusi: Publikuar

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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.

ISO 11257:2022

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

General information

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Scope

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