ISO 11257:2015

Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization

Datum objavljivanja: 17. 8. 2015.

95.99 Povučen 22. 3. 2022.

Опште информације

Trenutna faza: 95.99 Effective date: 22. 3. 2022.

Inicijator: ISO

Pripada: ISO/TC 102/SC 3

Vrsta: Međunarodni standard

ICS: 73.060.10

Jezik: engleski

Kupovina

Status: Povučen

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Apstrakt

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.

Životni ciklus

PRETHODNO

POVUČEN
ISO 11257:2007

TRENUTNO

POVUČEN
ISO 11257:2015
95.99 Povučen
22. 3. 2022.

REVIDIRAN OD

OBJAVLJEN
ISO 11257:2022