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.
Status: WithdrawnPublication date: 2007-10
Edition: 2Number of pages: 18
Technical Committee: ISO/TC 102/SC 3 Physical testing