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BS 6404-20:1996

Current

Current

The latest, up-to-date edition.

Magnetic materials Resistance and temperature classification of insulation coatings

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-09-1996

Committees responsible
Foreword
Introduction
1 Scope
2 References
3 Classification
4 Properties of insulation coatings
5 Resistance measurements using the dual electrode
    method
6 Temperature/time designation
Tables
1 Specified values of resistance grades
2 Temperature/time designation of insulation coatings

States general requirements for resistance grades of insulation coatings, together with preferred values of temperature/time capability, derived from BS6404pt12. Applicable to oriented and non-oriented materials and can also cover semi-processed materials providing the coating can withstand the decarburizing heat treatment recommended by supplier. (BS EN 10106, BS EN 10107, BS6404Sec. 8.8.)

This standard specifies general requirements for resistance grades of insulation coatings as defined in this Part of BS 6404. The preferred values of temperature/time capability, derived from BS 6404 : Part 12, are also covered.

This Part of BS 6404 applies to both oriented and non-oriented materials as specified in BS EN 10106, BS EN 10107 and BS 6404 : Section 8.8. It can also apply to semi-processed material as defined in BS EN 10126 and BS EN 10165, provided the coating can withstand the decarburizing heat treatment recommended by the supplier.

Committee
ISE/108
DevelopmentNote
Supersedes 95/706117 DC (09/2005) Reviewed and confirmed by BSI, January 2010. (12/2009)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 6404-13:1996 Magnetic materials Methods of measurement of density, resistivity and stacking factor of electrical steel sheet and strip
BS 6404-8.8:1992 Magnetic materials. Individual materials Specification for thin magnetic steel strip for use at medium frequencies
BS EN 10107:2014 Grain-oriented electrical steel strip and sheet delivered in the fully processed state
BS EN 10106:2015 Cold rolled non-oriented electrical steel strip and sheet delivered in the fully processed state
BS 6404-12:1993 Magnetic materials Guide to methods of assessment of temperature capability of interlaminar insulation coatings
BS 6404-1:1984 Magnetic materials Classification
BS 427:1990 Method for Vickers hardness test and for verification of Vickers hardness testing machines
BS EN 10165:1996 Cold rolled electrical alloyed steel sheet and strip delivered in the semi-processed state
BS EN 10126:1996 Cold rolled electrical non-alloyed steel sheet and strip delivered in the semi-processed state

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