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ISO 4698:2022

ISO 4698:2022

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

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PDF

General Information

Status : Active

Standard Type : Main

Document No : ISO 4698:2022

Document Year : 2022

Pages : 24

Edition : 3

Section Volume : Physical testing (ISO/TC 102/SC 3.)

ICS : Iron ores (73.060.10)

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.

Life Cycle

ISO 4698:2022