ISO 11257:2022
International Standard
Current Edition
·
Approved on
22 March 2022
Iron ores for shaft direct-reduction feedstocks — Determination of the low-temperature reduction-disintegration index and degree of metallization
ISO 11257:2022 Files
English
9 Pages
Current Edition
30.3 OMR
ISO 11257:2022 Scope
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.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013
Omani Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 2055-1:2015
GSO 2055-1:2015
Omani Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
OS 1658:2025:2025
Omani Standard
Disposable Garbage Bags
ISO 7718-2:2025
International Standard
Aircraft — Passenger doors interface requirements for connection of passenger boarding bridge or passenger transfer vehicle — Part 2: Upper deck doors
ISO/IEC/IEEE 32430:2025
International Standard
Software engineering — Software non-functional size measurement
ISO 10218-1:2025
International Standard
Robotics — Safety requirements — Part 1: Industrial robots