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ISO 4695:2021

Iron ores for blast furnace feedstocks — Determination of the reducibility by the rate of reduction index ISO 4695:2021

Publication date:   Oct 11, 2021

General information

60.60 Standard published   Oct 11, 2021

ISO

ISO/TC 102/SC 3 Physical testing

International Standard

73.060.10   Iron ores

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Published

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Scope

This document specifies a method to provide a relative measure for evaluating the extent to and ease with which oxygen can be removed from iron ores, when reduced under conditions resembling those prevailing in the reduction zone of a blast furnace.
This document is applicable to lump ores, sinters and hot-bonded pellets.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4695:2015

NOW

PUBLISHED
ISO 4695:2021
60.60 Standard published
Oct 11, 2021