ISO 18894:2018

Coke — Determination of coke reactivity index (CRI) and coke strength after reaction (CSR)

Publication date: Feb 14, 2018

General information

Current stage: 60.60 Effective date: Feb 14, 2018

Originator: ISO

Owner: ISO/TC 27/SC 3

Type: International Standard

ICS: 75.160.10

Languages: English

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Status: Published

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Scope

ISO 18894:2018 specifies the equipment and techniques used for determining lump-coke (nominal top size >20 mm) reactivity in carbon dioxide gas at elevated temperatures and its strength after reaction in carbon dioxide gas by tumbling in a cylindrical chamber.
Main application is the testing of coke to be used in iron making blast furnaces (CRI~ < 33, CSR~ > 55). This standard can also be applied to other coke types (e.g. foundry coke), but limited precision is to be expected. Application to coke for non-iron making blast furnaces is beyond the scope of this document.

Life cycle

PREVIOUSLY

Revises
ISO 18894:2006

NOW

PUBLISHED
ISO 18894:2018
60.60 Standard published
Feb 14, 2018

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