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
30.35 BHD
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
BH GSO 150-2:2015
GSO 150-2:2013
Bahraini Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 2055-1:2016
GSO 2055-1:2015
Bahraini Technical Regulation
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 11040-3:2025
International Standard
Prefilled syringes — Part 3: Seals for dental local anaesthetic cartridges
ISO/IEC 17839-1:2025
International Standard
Information technology — Biometric system-on-card — Part 1: Core requirements
ISO 5403-1:2025
International Standard
Leather — Determination of water resistance of flexible leather — Part 1: Repeated linear compression (penetrometer)
ISO 14577-6:2025
International Standard
Metallic materials — Instrumented indentation test for hardness and materials parameters — Part 6: Instrumented indentation test at elevated temperature