ISO 4698:2007 Preview
Iron ore pellets for blast furnace feedstocks -- Determination of the free-swelling index
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
ISO 4698:2007 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.
ISO 4698:2007 is applicable to hot-bonded pellets.
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