International Standard
ISO 18894:2018
Coke — Determination of coke reactivity index (CRI) and coke strength after reaction (CSR)
Reference number
ISO 18894:2018
Edition 2
2018-02
© ISO 2024
International Standard
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Published (Edition 2, 2018)
This standard was last reviewed and confirmed in 2024. Therefore this version remains current.

ISO 18894:2018

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CHF 129
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 2018-02
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 19
  • Technical Committee :
    ISO/TC 27/SC 3
    ICS :
    75.160.10 
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