ISO 11257:2007 PDF

Scope: This International Standard 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 International Standard is applicable to lump ores and hot-bonded pellets.

ISO 11257:2007 Referenced Document

ISO 11323:2002 Iron ore and direct reduced iron - Vocabulary
ISO 2597-1:2006 Iron ores - Determination of total iron content - Part 1: Titrimetric method after tin(II) chloride reduction
ISO 3082:2000 Iron ores - Sampling and sample preparation procedures
ISO 3310-1:2000 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
ISO 3310-2:1999 Test sieves - Technical requirements and testing - Part 2: Test sieves of perforated metal plate
ISO 4701 Iron ores and direct reduced iron — Determination of size distribution by sieving*， 2019-04-16 Update
ISO 5416:2006 Direct reduced iron - Determination of metallic iron - Bromine-methanol titrimetric method
ISO 9507:1990 Iron ores; determination of total iron content; titanium(III) chloride reduction methods

2022 ISO 11257:2022 Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
2015 ISO 11257:2015 Iron ores for shaft direct-reduction feedstocks - Determination of the low-temperature reduction-disintegration index and degree of metallization
2007 ISO 11257:2007 Iron ores for shaft direct-reduction feedstocks - Determination of the low-temperature reduction-disintegration index and degree of metallization
1998 ISO 11257:1998 Iron ores - Determination of disintegration and metallization of feedstock for direct reduction by gas reforming processes