Objavljen
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.
POVUČEN
ISO 3271:2007
OBJAVLJEN
ISO 3271:2015
90.93
Odluka o potvrđivanju standarda
20. 1. 2021.
Rude gvožđa za visoku peć i direktnu redukciju bez prethodne pripreme– Određivanje indeksa otpornosti na udar i indeksa habanja abrazijom
90.93 Odluka o potvrđivanju standarda