ISO 11257:2022
Current
The latest, up-to-date edition.
Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
22-03-2022
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.
| DocumentType |
Standard
|
| Pages |
9
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ABNT NBR ISO 11257:2026 | Identical |
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