British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for standards for magnetic alloys and steels, flat rolled electrical steels, magnetically hard materials, tests for magnetic materials, parts and components displaying magnetic properties and intended for electronics and electrical power conversion systems, tests and transformers and inductors using such components, ferrite and magnetic powder materials and the UK input into CEN/TC 459/SC 8 Steel sheet and strip for electrical applications, CLC/SR 68 Magnetic alloys and steels, IEC/TC 68 Magnetic alloys and steels and IEC/TC 51 Magnetic components, ferrite and magnetic powder materials.

Committee standards activity

In Progress (33)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PNW 68-711 ED1	Magnetic materials - Part XX: Permanent magnet (magnetically hard) materials - Methods of measurement of the magnetic properties in an open magnetic circuit using a superconducting magnet Categories: Information management \| Standardization. General rules \| Engineering \| Electrical engineering \| Magnetic materials Proposal begins : 2022-06-13	Proposal
PD IEC/TR 63307 Ed.2.0	Measurement methods of the complex relative permeability and permittivity of noise suppression sheet Categories: Unclassified documents Drafting begins : 2026-04-24	Drafting
PD IEC/TR 63307 Ed.2.0	Measurement methods of the complex relative permeability and permittivity of noise suppression sheet Categories: Unclassified documents Drafting begins : 2026-04-24	Drafting
NWIP for a CEN/TR	Methods of determination of the mechanical properties of self-bonding coating assemblies related to non-oriented electrical steels Categories: Information management \| Standardization. General rules \| Engineering \| Electrical engineering \| Magnetic materials Proposal begins : 2023-01-13	Proposal
New Work Item Proposal - 51-1603 ED1:	Ferrite cores- Guidelines on dimensions and limits of surface irregularities - Part16- SQ-cores Categories: Information management \| Standardization. General rules Proposal begins : 2026-02-11	Proposal
New Work Item Proposal -	Revision of EN 10341:2006 Categories: Information management \| Standardization. General rules Proposal begins : 2026-03-05	Proposal
CEN/TC 459/SC 8	Measurement of the coating properties of non-oriented electrical steel Categories: Measurement and Science \| Metrology and measurement \| Measurement. Electrical and magnetic \| Testing \| Testing. Electrical and electronic \| Manufacturing \| Metallurgy \| Metal production \| Metal testing \| Metal testing. Non-destructive \| Steels Proposal begins : 2020-02-19	Proposal
BS IEC IEC 60404-8-3:2023	Magnetic materials. Part 8-3: Specifications for individual materials. Cold-rolled non-oriented electrical steel strip and sheet delivered in the semi-processed state Categories: Measurement. Electrical and magnetic quantities \| Magnetic materials Public comment begins : 2023-03-17	Public comment
BS IEC 60404-8-8/AMD1 ED2	BS EN 60404-8-8/AMD1 ED2 Amendment 1 - Magnetic materials Categories: Measurement. Electrical and magnetic quantities \| Magnetic materials Public comment begins : 2024-12-09	Public comment
BS IEC 60404-8-7:2017	Magnetic materials. Part 8-7: Specifications for individual materials - Cold-rolled grain-oriented electrical steel strip and sheet delivered in the fully processed state Categories: Magnetic materials Approval begins : 2017-08-31	Approval

Published (88)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC/TR 63114:2018	Electrical steel. Reverse bend test method for electrical steel strip and sheet Categories: Magnetic materials Published standard begins : 2018-05-25	Published standard
PD IEC/TR 63090:2017	Dimensional tolerances of ferrite cores Categories: Components. Magnetic Published standard begins : 2017-08-11	Published standard
PD IEC/TR 62981:2017	Studies and comparisons of magnetic measurements on grain-oriented electrical steelsheet determined by the single sheet test method and Epstein test method Categories: Magnetic materials Published standard begins : 2017-08-18	Published standard
PD IEC/TR 62797:2013	International comparison of measurements of the magnetic moment using vibrating sample magnetometers (VSM) and superconducting quantum interference device (SQUID) magnetometers Categories: Magnetic materials Published standard begins : 2013-08-20	Published standard
PD IEC/TR 62581:2010	Electrical steel. Methods of measurement of the magnetostriction characteristics by means of single sheet and Epstein test specimens Categories: Magnetic materials Published standard begins : 2010-10-05	Published standard
PD IEC/TR 62518:2009	Rare earth sintered magnets. Stability of the magnetic properties at elevated temperatures Categories: Magnetic materials Published standard begins : 2009-04-15	Published standard
PD IEC/TR 62517:2009	Magnetizing behaviour of permanent magnets Categories: Magnetic materials Published standard begins : 2009-06-05	Published standard
PD IEC/TR 62383:2006	Determination of magnetic loss under magnetic polarization waveforms including higher harmonic components. Measurement, modelling and calculation methods Categories: Measurement. Electrical and magnetic quantities \| Magnetic materials Published standard begins : 2007-03-19	Published standard
PD IEC/TR 62331:2005	Pulsed field magnetometry Categories: Magnetic materials Published standard begins : 2005-06-10	Published standard
PD IEC TR 63307:2020	Measurement methods of the complex relative permeability and permittivity of noise suppression sheet Categories: Components. Magnetic Published standard begins : 2020-12-07	Published standard

Withdrawn (85)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS IEC 60404-1:2000	Magnetic materials. Classification Categories: Magnetic materials Withdrawn begins : 2017-02-21	Withdrawn
BS EN IEC 63093-5:2018	Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. EP-cores and associated parts for use in inductors and transformers Categories: Components. Magnetic Withdrawn begins : 2025-12-23	Withdrawn
BS EN IEC 63093-4:2019	Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. RM-cores Categories: Components. Magnetic Withdrawn begins : 2026-02-09	Withdrawn
BS EN IEC 63093-2:2020	Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. Pot-cores for use in telecommunications, power supply, and filter applications Categories: Components. Magnetic Withdrawn begins : 2026-01-05	Withdrawn
BS EN IEC 63093-13:2019	Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. PQ-cores Categories: Components. Magnetic Withdrawn begins : 2024-06-13	Withdrawn
BS EN IEC 63093-11:2018	Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. EC-cores for use in power supply applications Categories: Components. Magnetic Withdrawn begins : 2019-05-24	Withdrawn
BS EN IEC 63093-10:2022	Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. PM-cores and associated parts Categories: Components. Magnetic Withdrawn begins : 2026-02-16	Withdrawn
BS EN IEC 62024-2:2020	High frequency inductive components. Electrical characteristics and measuring methods. Rated current of inductors for DC-to-DC converters Categories: Components. Magnetic Withdrawn begins : 2025-12-22	Withdrawn
BS EN IEC 61007:2020	Transformers and inductors for use in electronic and telecommunication equipment. Measuring methods and test procedures Categories: Components. Magnetic \| Transformers. Reactors Withdrawn begins : 2021-07-12	Withdrawn
BS EN IEC 60404-6:2018	Magnetic materials. Methods of measurement of the magnetic properties of magnetically soft metallic and powder materials at frequencies in the range 20 Hz to 100 kHz by the use of ring specimens Categories: Measurement. Electrical and magnetic quantities \| Magnetic materials Withdrawn begins : 2018-12-19	Withdrawn

Standards Development

ISE/108 - Magnetic alloys and steels including magnetic components, ferrite and magnetic powder materials

Committee standards activity