Abstract

ISO 11257:2015 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.

ISO 11257:2015 is applicable to lump ores and hot-bonded pellets.


General information 

  • Status
     : Withdrawn
    Publication date
     : 2015-08
  • Edition
     : 3
    Number of pages
     : 9
  • Technical Committee
     : ISO/TC 102/SC 3 Physical testing
  • ICS
     :
    73.060.10 Iron ores

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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