IEC 60404-8-11-ed.1.0

Detail information

Designation: IEC 60404-8-11-ed.1.0

Publication date: 08/03/2018

Pages: 45

Country: International technical standard

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Anotation

IEC 60404-8-11:2018 defines the grades of Fe-based amorphous strip delivered in the semi-processed state, i.e. without final heat treatment, of nominal thickness 0,025 mm. Other nominal thicknesses in the range from 0,020 mm to 0,030 mm can be specified by agreement between the manufacturer and the purchaser at the time of enquiry and order. In particular, it gives general requirements, magnetic properties, geometric characteristics, tolerances and technological characteristics, as well as inspection procedures. This document applies to the rapidly-solidified Fe-based amorphous strip supplied in coils with as-cast edges and intended for the construction of magnetic circuits. The grades are grouped into two classes: - conventional grades; - high permeability grades. They correspond to Class I1 of IEC 60404-1. LIEC 60404-8-11:2018 definit les criteres de qualite des bandes en alliage amorphe a base de fer livrees a letat semi-fini, cest-a-dire sans traitement thermique final, dune epaisseur nominale de 0,025 mm. Dautres epaisseurs nominales comprises entre 0,020 mm et 0,030 mm peuvent etre specifiees sous reserve dun accord entre le fabricant et lacheteur, au moment de la consultation et de la commande. Elle definit notamment les exigences generales, les proprietes magnetiques, les caracteristiques geometriques, les tolerances et les caracteristiques technologiques, ainsi que les procedures de controle applicables. Le present document sapplique aux bandes en alliage amorphe a base de fer produites par solidification rapide, livrees en bobines avec des bords bruts de coulee et destinees a la construction de circuits magnetiques. Les qualites sont groupees en deux classes: - les qualites conventionnelles; - les qualites a haute permeabilite. Ces qualites correspondent a la Classe I1 de lIEC 60404-1