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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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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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Description

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

3

Published Date

2022-11-10

Status

PUBLISHED

Pages

24

Language Detail Icon

English

Format Secure Icon

Secure PDF

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.

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