Published
ISO 3271:2015 specifies a method to provide a relative measure for evaluating the resistance of iron ores to size degradation by impact and abrasion. It covers the determination of the tumble and abrasion indices.
This International Standard is applicable to lump ores, sinters, and hot-bonded pellets.
WITHDRAWN
ISO 3271:2007
PUBLISHED
ISO 3271:2015
90.60
Close of review
Jun 5, 2026
Iron ores for blast furnace and direct reduction feedstocks — Determination of the tumble and abrasion indices
90.60 Close of review