NEN ISO 11257:2007被替代
Iron Ores For Shaft Direct-reduction Feedstocks - Determination Of The Low-temperature Reduction-disintegration Index And Degree Of Metallization
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN ISO 11257:2007
发布时间：2007/11/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：8
标准简介
Defines 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.
替代本标准的新标准
等同采用的国际标准
ISO 11257:2007 - Identical
