ISO 7992:1992
Iron ores; determination of reduction properties under load

Standard No.

ISO 7992:1992

Release Date

1992

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 7992:2007

Latest

ISO 7992:2022

Scope

Specifies a method for evaluating the physical stability of iron ores reduced under load and under specific conditions. The specific conditions are: isothermal heating for reduction, a test portion having a specified size and placed in a fixed bed under load, a reducing gas composed of a carbon monoxide/hydrogen/nitrogen mixture, measurement of the differential gas pressure across a bed of the test portion and measurement of the change in the height of the bed. Applies to sized ores and pellets. Annex A gives the flowsheet of the procedure for the acceptance of test results.

ISO 7992:1992 history

• 2022 ISO 7992:2022 Iron ores for blast furnace feedstocks — Determination of reduction under load
• 2015 ISO 7992:2015 Iron ores for blast furnace feedstocks - Determination of reduction under load
• 2007 ISO 7992:2007 Iron ores for blast furnace feedstocks - Determination of reduction under load
• 1992 ISO 7992:1992 Iron ores; determination of reduction properties under load