标准编号：ISO 4698:2022
中文名称：高炉给料用铁矿石球团 自由膨胀指数的测定
英文名称：Iron ore pellets for blast furnace feedstocks — Determination of the free-swelling index
发布日期：2022-11
标准范围
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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