ISO 11258:2007

Iron ores for shaft direct-reduction feedstocks — Determination of the reducibility index, final degree of reduction and degree of metallization

Publication date: 30 tet 2007

95.99 Withdrawal of Standard 17 gush 2015

General information

Current stage: 95.99 Effective date: 17 gush 2015

Originator: ISO

Owner: ISO/TC 102/SC 3

Type: International Standard

ICS: 73.060.10

Gjuha: anglisht

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Statusi: Shfuqizuar

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Scope

ISO 11258:2007 specifies a method to provide a relative measure for evaluating the extent and ease to which oxygen can be removed from iron ores, when reduced under conditions resembling those prevailing in shaft direct-reduction processes. It specifies the determination of the reducibilty, final degree of reduction and degree of metallization.
ISO 11258:2007 is applicable to lump ores and hot-bonded pellets.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11258:1999

NOW

WITHDRAWN
ISO 11258:2007
95.99 Withdrawal of Standard
17 gush 2015

REVISED BY

PUBLISHED
ISO 11258:2015