Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
NORMA vydána dne 22.3.2022
Označení normy: ISO 11257:2022-ed.4.0
Datum vydání normy: 22.3.2022
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy ISO
Description / Abstract: 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.