GB/T 38877-2020 Active National standards

GB/T 38877-2020 Insulating coatings for the electrical steel strip(sheet)

Publish Date: 2020-06-02 Implement Date: 2020-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 38877-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician's steel

ICS Name: Special magnetic steel

Publish Date: 2020-06-02

Implement Date: 2020-12-01

Pages: 7 pages

Scope

This standard specifies the terms and definitions, classification and designations, inspection items, and test methods for the insulating coatings of cold-rolled electrical steel strips (sheets). This standard applies to insulating coatings applied to the surface of cold-rolled electrical steel strips (sheets) after being coated with inorganic components, organic components, and their composite formulations, as well as insulating coatings formed by oxidation of the surface of cold-rolled electrical steel strips (sheets).

Development Information

Word Count: 12 Thousand words Pages: 7 pages

Referenced Standards

GB/T 1733-1993 Determination of resistance to water of films GB/T 2522-1988 Magnetic sheet and strip—Methods of measurement of interlamination resistance and lamination factor and coat adhesiveness GB/T 2522-2007 Methods of test for the determination of surface insulation resistance and lamination factor of electric sheet and strip GB/T 2522-2017 Methods of test for the determination of coating insulation resistance and coating adhesion of electrical strip and sheet GB/T 6739-1996 Determination of film hardness by pencil test GB/T 6739-2006 Paints and varnishes—Determination of film hardness by pencil test GB/T 6739-2022 Paints and varnishes—Determination of film hardness by pencil test GB/T 9274-1988 Paints and varnishes—Determination of resistance to liquids GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 13501-1992 Electric motors for hermetic refrigeration compressors—Test methods of insulation resistance to freon GB/T 13501-2008 Test methods for insulation compatibility of electric motors for hermetic refrigeration compressors GB/T 20831-2007 Methods of assessment of temperature capability of inter laminar insulation coatings of electrical sheet and strip GB/T 20831-2025 Method of test for the thermal endurance of surface insulation coatings of electrical sheet and strip

Related Standards

GB/T 2521-1996 Replaced

GB/T 2521-1996 Cold-rolled grain-oriented and non-oriented magnetic steel strip(sheet)

Publish Date: 1996-09-27

GB/T 17951.2-2002 Replaced

GB/T 17951.2-2002 Cold-rolled grain non-oriented electrical steel strip (sheet) delivered in the semi-processed state

Publish Date: 2002-11-19

GB/T 19345-2003 Replaced

GB/T 19345-2003 Amorphous and nanocrystalline soft magnetic alloy strips

Publish Date: 2003-11-03

GB/T 911-2004 Replaced

GB/T 911-2004 Dimensions,shapes,weight and tolerances for hot-rolled tool flat steels

Publish Date: 2004-01-19

GB/T 2521-2008 Active

GB/T 2521-2008 Cold-rolled grain-oriented and non-oriented electrical steel strip(sheet)

Publish Date: 2008-09-11

GB/T 6983-2008 Replaced

GB/T 6983-2008 Soft magnetic iron

Publish Date: 2008-09-11