YB/T 4321-2012 (English Version) PDF

Scope: This standard specifies the grade, ordering content, size, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, re-inspection, numerical rounding, packaging, and marking of steel plates and steel strips with specified magnetic and mechanical properties. and quality certificates, etc. This standard applies to magnetic materials for rotating electrical machines.

YB/T 4321-2012 Referenced Document

GB/T 17505 Steel and steel products.General technical delivery requirements*， 2016-02-24 Update
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
GB/T 247 General rule of package,mark and certification for steel plates(sheets)and strips
GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing*， 2018-05-14 Update
GB/T 3655 Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an epstein frame*， 2022-10-12 Update
GB/T 708 Dimension，shape，weight and tolerance for coldrolled steel strip and sheet*， 2019-03-25 Update
GB/T 709 "Dimension,shape,weight and tolerance for hot rolled steel strip,plate and sheet"*， 2019-03-25 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

2012 YB/T 4321-2012 Steel sheets and strips with specified magnetic properties and mechanical properties