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ISO/NP 25690.3

Steel slag--Determination of the expansion--Immersion expansion method ISO/NP 25690.3

General information

10.20   New project ballot initiated   Nov 3, 2026

ISO

ISO/TC 17 Steel

International Standard

Scope

This standard specified for the terms and definitions, principle, instrument and equipment, test
procedures and test reports of immersion expansion ratio for steel slag.
This standard is applicable to the determination of immersion expansion ratio for converter slag and
electric furnace slag. Determination range (percentage) is from 0.1% to 25%.

Life cycle

NOW

IN_DEVELOPMENT
ISO/NP 25690.3
10.20 New project ballot initiated
Nov 3, 2026




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