GB/T 13840-1992
Abolished
GB/T 42668-2023
Active
National standards
GB/T 42668-2023 Samarium-iron-nitrogen permanent magnetic powder for bonded magnet
GB/T 42668-2023 Samarium-iron-nitrogen permanent magnetic powder for bonded magnet
Basic Information
Standard Code:
GB/T 42668-2023
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:
2023-08-06
Implement Date:
2024-03-01
Pages:
8 pages
Scope
This document specifies the classification and grades, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and accompanying documents for samarium-iron-nitrogen bonded permanent magnet powders. This document is applicable to isotropic and anisotropic samarium-iron-nitrogen bonded permanent magnet powders (hereinafter referred to as "permanent magnet powders"), which can be used in molding, injection molding, extrusion, and rolling processes to manufacture bonded magnets.
Development Information
Referenced Standards
GB/T 20168-2017 Rapidly-quenched neodymium iron boron permanent magnetic powder
GB/T 41967-2022 Anisotropic neodymium iron boron permanent magnetic powder
GB/T 1479.1-2011 Metallic powders—Determination of apparent density—Part 1:Funnal method
GB/T 9637-2001 Electrotechnical terminology— Magnetic materials and components
GB/T 15676-1995 Terms for rare earths
GB/T 15676-2015 Terms for rare earths
GB/T 19077-2016 Particle size analysis—Laser diffraction methods
GB/T 19077.1-2003 Particle size analysis—Laser diffraction method
GB/T 19077.1-2008 Particle size analysis—Laser diffraction methods—Part 1:General principles
GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
GB 39176-2020 Rare earth products packing,marking,transport and storage
GB/T 40794-2021 Measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet
GB/T 19077-2024 Particle size analysis—Laser diffraction methods
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced