This part of GB/T 2521 specifies the terms and definitions, classification, symbols and grades, general requirements, technical requirements, Inspection and testing, judgment and re-inspection rules, packaging, marks and quality certificates, and order contents. This part applies to the grain-oriented electrical steel strip (sheet) supplied in the state of full-process cold rolling used in the magnetic circuit structure [hereinafter referred to as the steel strip (sheet)].
GB/T 2521.2-2016 Referenced Document
GB/T 13789 Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of a single sheet tester*， 2022-10-12 Update
GB/T 17505 Steel and steel products.General technical delivery requirements
GB/T 18253 Steel and steel products—Types of inspection documents*， 2018-03-15 Update
GB/T 19289 Methods of measurement of resistivity，density and stacking factor of electrical steel strip and sheet*， 2019-06-04 Update
GB/T 247 General rule of package,mark and certification for steel plates(sheets)and strips
GB/T 2522-2007 Methods of test for the determination of surface insulation resistance and lamination factor of electric sheet and strip