ISO 4698:2022
International Standard
Current Edition
·
Approved on
10 November 2022
·
Iron ore pellets for blast furnace feedstocks — Determination of the free-swelling index
ISO 4698:2022 Files
null Pages
Current Edition
ISO 4698:2022 Scope
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.
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