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ISO 7992:1992

Iron ores — Determination of reduction properties under load

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 7992:1992
Document Year: 1992
Pages: 9
Edition: 1

Life Cycle

WITHDRAWN

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WITHDRAWN
ISO 7992:1992
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