标准编号：ISO 11257:2022
中文名称：直接还原炉料用铁矿石 低温还原粉化率和金属化率的测定
英文名称：Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
发布日期：2022-03
标准范围
This document specifies a method to provide a relative measure for evaluating the degree of size degradation and degree of metallization of iron ores, when reduced under conditions resembling those prevailing in shaft direct-reduction processes.
This document is applicable to lump ores and hot-bonded pellets.
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