90.60 Close of review Jun 5, 2023
ISO
ISO/TC 132 Ferroalloys
International Standard
77.100 Ferroalloys
Published
Refers to ferrosilicon usually supplied for steelmaking and foundry use. Specifies definition, information for ordering, requirements, testing, despatch and storage. An annex recommends minimum dimensions of openings for feeding systems.
PUBLISHED
ISO 5445:1980
90.60
Close of review
Jun 5, 2023