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ISO 4551:1987

Ferroalloys — Sampling and sieve analysis ISO 4551:1987

Publication date:   Dec 10, 1987

General information

90.60   Close of review   Dec 3, 2025

ISO

ISO/TC 132 Ferroalloys

International Standard

77.100   Ferroalloys

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Published

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Scope

Specifies the methods of sampling, sample preparation and sieve analysis for the determination of the size distribution in a consignment or a lot af all types of ferroalloys of particle size equal to or greater than 40 m.

Life cycle

NOW

PUBLISHED
ISO 4551:1987
90.60 Close of review
Dec 3, 2025




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