GB/T 46478-2025 Active National standards

GB/T 46478-2025 Magnetizing method of permanent magnet

GB/T 46478-2025 Magnetizing method of permanent magnet

Publish Date: 2025-12-02 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46478-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical alloy parts

ICS Name: Magnetic materials

Publish Date: 2025-12-02

Implement Date: 2026-07-01

Pages: 24 pages

Scope

This document outlines the magnetization principle of permanent magnets, specifies the requirements for magnetization devices, samples, and magnetization procedures, describes different types of magnetization effect testing methods, and stipulates the requirements for product magnetization reports.
This document is applicable to the technical magnetization of permanent magnets processed from rare earth iron boron, rare earth cobalt, aluminum nickel cobalt, samarium iron nitride, and permanent magnet ferrites, among other permanent magnet materials.

Development Information

Word Count: 28 Thousand words Pages: 24 pages

Referenced Standards

GB/T 2900.60-2002 Electrotechnical terminology—Electromagnetism GB/T 2900.83-2008 Electrotechnical terminology—Electrical and magnetic devices GB/T 3217-2013 Permanent magnet(magnetically hard)materials—Methods of measurement of magnetic properties GB/T 9637-2001 Electrotechnical terminology— Magnetic materials and components GB/T 38437-2019 Methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method GB/T 43264-2023 Measuring methods of the surface magnetic field distribution for permanent magnets GB/T 43266-2023 Methods measurement of the angle deviation of magnetization of permanent magnets

Related Standards

GB/T 17951-2000 Replaced

GB/T 17951-2000 Standard specifications for magnetically hard materials

Publish Date: 2000-01-03

GB/T 17951-2005 Replaced

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Publish Date: 2005-09-19

GB/T 21219-2007 Replaced

GB/T 21219-2007 Magnetic materials—Classification

Publish Date: 2007-12-03

GB/T 21220-2007 Replaced

GB/T 21220-2007 Soft magnetic metallic materials

Publish Date: 2007-12-03

GB/T 24270-2009 Active

GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials

Publish Date: 2009-06-19

GB/T 13888-2009 Replaced

GB/T 13888-2009 Method of measurement of the coercivity of magnetic materials in an open magnetic circuit

Publish Date: 2009-09-30