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ISO 4698:2022

Iron ore pellets for blast furnace feedstocks — Determination of the free-swelling index

Standard Details

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
Standard Type: Main
Document No: ISO 4698:2022
Document Year: 2022
Pages: 24
Edition: 3

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ISO 4698:2022

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