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ISO 7215 4th Edition, August 15, 2015
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Iron ores for blast furnace feedstocks - Determination of the reducibility by the final degree of reduction index
Additional Comments: ENGLISH
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This International Standard specifies a method to provide a relative measure for evaluating the extent to which oxygen can be removed from iron ores when reduced under conditions resembling those prevailing in the reduction zone of a blast furnace.

This International Standard is applicable to lump ore, sinters, and hot-bonded pellets.