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  • BS 6404-2(1996) : 1996 AMD 10038

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    MAGNETIC MATERIALS - METHODS OF MEASUREMENT OF THE MAGNETIC PROPERTIES OF ELECTRICAL STEEL SHEET AND STRIP BY MEANS OF AN EPSTEIN FRAME

    Available format(s): 

    Superseded date:  15-07-1998

    Language(s): 

    Published date:  23-11-2012

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    National foreword
    1 Scope and object
    2 Normative references
    3 General principles of a.c. measurements
    4 Procedure for the measurement of the specific
        total loss
    5 Procedure for the determination of the peak value of
        magnetic polarization, r.m.s value of magnetic field
        strength, peak value of magnetic field strength
        and specific apparent power
    6 General principles of d.c. measurements
    7 Procedure for the d.c. measurement of the magnetic
        polarization
    8 Test report
    Figures
    1 Double-lapped joints
    2 The 25 cm Epstein frame
    3 Circuit for the wattmeter method
    4 Circuit for measuring the r.m.s value of the
        magnetizing current
    5 Circuit for measuring the peak value of the magnetic
        field strength using a peak voltmeter
    6 Circuit for measuring the peak value of magnetic
        field strength using a mutual inductor MD
    7 Circuit for d.c. testing: to obtain discrete values
        of magnetic polarization
    8 Circuit for d.c. testing: continuous recording method

    Abstract - (Show below) - (Hide below)

    Applies to grain oriented and non-oriented electrical sheet and strip for a.c. measurements of magnetic properties at frequencies to 400 Hz and d.c. magnetic measurements. Specifies general principles and technical details of measurement of magnetic properties of electrical steel sheet and strip using an Epstein frame. Applies to test specimens which have been obtained from electrical steel sheets and strips. Measurements should be made at an ambient temperature of (23 plus or minus 5) deg C on demagnetized test specimens. BS AMD 10038 RENUMBERS STANDARD

    General Product Information - (Show below) - (Hide below)

    Committee ISE/NFE/5
    Development Note Renumbered and superseded by BS EN 60404-2. Supersedes BS 6404-2(1985) & 94/341190 DC. (10/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60404-10:2016 Magnetic materials - Part 10: Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies
    IEC 60404-4:1995+AMD1:2000+AMD2:2008 CSV Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of magnetically soft materials
    IEC 60050-221:1990 International Electrotechnical Vocabulary (IEV) - Part 221: Magnetic materials and components
    IEC 60404-8-3:2005 Magnetic materials - Part 8-3: Specifications for individual materials - Cold-rolled electrical non-alloyed and alloyed steel sheet and strip delivered in the semi-processed state
    IEC 60404-8-4:2013 Magnetic materials - Part 8-4: Specifications for individual materials - Cold-rolled non-oriented electrical steel strip and sheet delivered in the fully-processed state
    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
    IEC 60404-8-2:1998 Magnetic materials - Part 8-2: Specifications for individual materials - Cold-rolled electrical alloyed steel sheet and strip delivered in the semi-processed state
    IEC 60404-13:1995 Magnetic materials - Part 13: Methods of measurement of density, resistivity and stacking factor of electrical steel sheet and strip
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