ISO 11257:2015现行
Iron ores for shaft direct-reduction feedstocks - Determination of the low-temperature reduction-disintegration index and degree of metallization
出版：International Organization for Standardization
专家解读视频
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.
KS E ISO 11257:2017 - Identical
SS-ISO 11257:2017 - Identical
ABNT NBR ISO 11257:2019 - Identical
NEN ISO 11257 : 2015 - Identical
BS ISO 11257 : 2015 - Identical
SS-ISO 11257:2017 - Identical
NEN ISO 11257 : 2015 - Identical
BS ISO 11257 : 2015 - Identical
