SIST EN 10342:2005
(Main)Magnetic materials - Classification of surface insulations of electrical steel sheet, strip and laminations
Magnetic materials - Classification of surface insulations of electrical steel sheet, strip and laminations
This document establishes a classification of surface insulations for electrical steel sheet, strip and laminations according to their general composition, relative insulating ability and function.
These surface insulations are either oxide layers or applied coatings.
The purpose of this classification is to create a nomenclature for the various types of surface insulations and to assist users of surface insulations by providing general information about the chemical nature and use of the surface insulations.
It is not the intent of this classification to specify insulation requirements in terms of specific values of surface insulation resistance. Such requirements are to be agreed between the purchaser and the steel producer, where applicable.
The classification is to be used in conjunction with the various specifications for cold rolled electrical steels (see the European Standards listed in Clause 2).
Magnetische Werkstoffe - Einteilung der Isolationen auf Elektroblech und -band und daraus gefertigten Stanzteilen
Matériaux magnétiques - Classification des isolations de surface des tôles, bandes et lamelles magnétiques en acier
Magnetni materiali – Razvrstitev površinskih izolacij elektropločevine, trakov in laminatov
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.ODPLQDWRYMagnetische Werkstoffe - Einteilung der Isolationen auf Elektroblech und -band und daraus gefertigten StanzteilenMatériaux magnétiques - Classification des isolations de surface des tôles, bandes et lamelles magnétiques en acierMagnetic materials - Classification of surface insulations of electrical steel sheet, strip and laminations77.140.50SROL]GHONLFlat steel products and semi-products29.030Magnetni materialiMagnetic materialsICS:Ta slovenski standard je istoveten z:EN 10342:2005SIST EN 10342:2005en01-september-2005SIST EN 10342:2005SLOVENSKI
STANDARD
SIST EN 10342:2005
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10342June 2005ICS 29.030; 77.140.50English versionMagnetic materials - Classification of surface insulations ofelectrical steel sheet, strip and laminationsMatériaux magnétiques - Classification des isolations desurface des tôles, bandes et lamelles magnétiques en acierMagnetische Werkstoffe - Einteilung der Isolationen aufElektroblech und -band und daraus gefertigten StanzteilenThis European Standard was approved by CEN on 12 May 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10342:2005: ESIST EN 10342:2005
EN 10342:2005 (E) 2 Contents Page Foreword.3 1 Scope.4 2 Normative references.4 3 Terms and definitions.4 4 Classification of surface insulations of electrical steel, strip and laminations.5 Bibliography.7
SIST EN 10342:2005
EN 10342:2005 (E) 3 Foreword This document (EN 10342:2005) has been prepared by Technical Committee ECISS/TC 24 “Electrical steel sheet and strip qualities - Qualities, dimensions, tolerances and specific tests”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2005, and conflicting national standards shall be withdrawn at the latest by December 2005. This document is technically equivalent to IEC 60404-1-1. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. SIST EN 10342:2005
EN 10342:2005 (E) 4 1 Scope This document establishes a classification of surface insulations for electrical steel sheet, strip and laminations according to their general composition, relative insulating ability and function. These surface insulations are either oxide layers or applied coatings. The purpose of this classification is to create a nomenclature for the various types of surface insulations and to assist users of surface insulations by providing general information about the chemical nature and use of the surface insulations. It is not the intent of this classification to specify insulation requirements in terms of specific values of surface insulation resistance. Such requirements are to be agreed between the purchaser and the steel producer, where applicable. The classification is to be used in conjunction with the various specifications for cold rolled electrical steels (see the European Standards listed in Clause 2). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10106, Cold rolled non-oriented electrical steel sheet and strip delivered in the fully processed state EN 10107, Grain-oriented electrical steel sheet and strip delivered in the fully processed state EN 10126, Cold rolled electrical non-alloyed steel sheet and strip delivered in the semi-processed state EN 10165, Cod rolled electrical alloyed steel sheet and strip delivered in the semi-processed state EN 10265, Magnetic materials – Specification for steel sheet and strip with specified mechanical properties and magnetic permeability EN 10282:2001, Magnetic materials – Method of test for the determination of surface insulation resistance of electrical sheet and strip EN 10303, Thin magnetic steel sheet and strip for use at medium frequencies IEC 60050-221:1990, International Electrotechnical Vocabulary — Chapter 221: Magnetic materials and components 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-221:1990 and in EN 10106, EN 10107, EN 10126, EN 10165, EN 10265, EN 10282:2001 and EN 10303 apply. SIST EN 10342:2005
EN 10342:2005 (E) 5
4 Classification of surface insulations of electrical steel, strip and laminations Table 1 specifies the classification of surface insulations of electrical steel sheet, strip and laminations. Table 1 — Classification of surface insulation of electrical steel, strip and laminations Insulation designation Insulation description – Characteristics – Typical application, limits of use EC-0 An oxide layer that is formed naturally on the steel surface during electrical steel manufacture. This oxide layer is thin, tightly adherent and provides sufficient surface insulation resistance for many types of small cores. This oxide layer will withstand normal stress relief annealing temperatures. If subjected to a user’s anneal after st
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