GB/T 40790-2021 Active National standards

GB/T 40790-2021 Sintered cerium-based and cerium-rich permanent magnet materials

GB/T 40790-2021 Sintered cerium-based and cerium-rich permanent magnet materials

Publish Date: 2021-10-11 Implement Date: 2022-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 40790-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Rare earth metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2021-10-11

Implement Date: 2022-05-01

Pages: 13 pages

Scope

This document specifies the classification and grades, technical requirements, test methods, inspection rules, and packaging, marking, transportation, storage, and accompanying documents for sintered cerium and cerium-rich permanent magnetic materials.
This document is applicable to sintered cerium and cerium-rich permanent magnets produced by powder metallurgy, which are mainly used in the fields of electronics, power, machinery, medical devices, and so on.

Development Information

Word Count: 27 Thousand words Pages: 13 pages

Referenced Standards

GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB 39176-2020 Rare earth products packing,marking,transport and storage GB/T 3217-1992 Methods of test of the magnetic properties of permanent magnetic (magnetically hard) materials GB/T 3217-2013 Permanent magnet(magnetically hard)materials—Methods of measurement of magnetic properties GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 13560-2000 Materials for sintered neodymium iron boron permanent magnets GB/T 13560-2009 Materials for sintered neodymium iron boron permanent magnets GB/T 13560-2017 Sintered neodymium iron boron permanent magnets GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials GB/T 29628-2013 Guides for methods of measurement of the magnetic properties of permanent(magnetically hard) materials by pulsed field magnetometry

Related Standards

GB/T 13840-1992 Abolished

GB/T 13840-1992 Wafer carriers

Publish Date: 1992-12-28

GB/T 15677-1995 Replaced

GB/T 15677-1995 Lanthanum metal

Publish Date: 1995-08-11

GB/T 3136-1995 abolished_transferred

GB/T 3136-1995 Tantalum powders

Publish Date: 1995-10-17

GB/T 3463-1995 Abolished

GB/T 3463-1995 Tantalum wires

Publish Date: 1995-10-17

GB/T 3628-1995 Replaced

GB/T 3628-1995 Tantalum and tantalum alloy foils

Publish Date: 1995-10-17

GB/T 16476-1996 Replaced

GB/T 16476-1996 Scandium metal

Publish Date: 1996-07-09