ISO 4698:2022

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

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.

Edition	2022
Published Date	2022
Published By	International Standardization Organisation
Page Count	24