BAS ISO 4698:2025

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


General Information
Status: Published
No. of pages: 28
Language: English
Edition: 2.
Adoption method: Republication
Publication date: 25.06.2025
Technical committee:
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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.

Lifecycle
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Original document and degree of correspondence
  • ISO 4698:2022, identical

Relation to BAS standards