Reference number
ISO 4698:2022
© ISO 2025
International Standard
ISO 4698:2022
Iron ore pellets for blast furnace feedstocks — Determination of the free-swelling index
Edition 3
2022-11
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Published (Edition 3, 2022)

ISO 4698:2022

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Format
CHF 132
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Abstract

This document specifies a method to provide a relative measure for evaluating the increase in volume of iron ore pellets, when reduced in an unconstrained bed under conditions resembling those prevailing in the reduction zone of a blast furnace. It specifies the determination of the free-swelling index.

This document is applicable to hot-bonded pellets.

General information

  • Status
     : Published
    Publication date
     : 2022-11
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 24
  • Technical Committee :
    ISO/TC 102/SC 3
    ICS :
    73.060.10 
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