ISO 8371:2015

Iron ores for blast furnace feedstocks — Determination of the decrepitation index

ISO 8371:2015 specifies a method to provide a relative measure for evaluating the degree of size degradation caused by rapid heating of iron ores. It specifies the determination of the decrepitation index. ISO 8371:2015 is applicable to lump ores for blast furnace feedstocks.

Minerais de fer pour charges de hauts fourneaux — Détermination de l'indice de décrépitation

General Information

• Status: Withdrawn
• Publication Date: 04-Aug-2015
• ICS: 73.060.10 - Iron ores
• Technical Committee: ISO/TC 102/SC 3 - Physical testing
• Drafting Committee: ISO/TC 102/SC 3 - Physical testing
• Current Stage: 9599 - Withdrawal of International Standard
• Completion Date: 13-Mar-2024

Relations

• Revised: ISO 8371:2024 - Iron ores for blast furnace feedstocks — Determination of the decrepitation index
• Effective Date: 23-Apr-2020
• Revises: ISO 8371:2007 - Iron ores for blast furnace feedstocks — Determination of the decrepitation index
• Effective Date: 26-May-2012

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 8371
Third edition
2015-08-01
Iron ores for blast furnace
feedstocks — Determination of the
decrepitation index
Minerais de fer pour charges de hauts fourneaux — Détermination de
l’indice de décrépitation
Reference number
ISO 8371:2015(E)
©
ISO 2015

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ISO 8371:2015(E)

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© ISO 2015, Published in Switzerland
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ii © ISO 2015 – All rights reserved

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ISO 8371:2015(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Sampling, sample preparation and preparation of test portions .1
5.1 Sampling and sample preparation . 1
5.2 Preparation of test portions . 2
6 Apparatus . 2
7 Procedure. 2
7.1 Number of determinations for the test . 2
7.2 Heating . 2
7.3 Sieving . 3
8 Expression of results . 3
9 Test report . 3
10 Verification . 4
Bibliography . 5
© ISO 2015 – All rights reserved iii

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