GB/T 34490-2017 Active National standards

GB/T 34490-2017 Recycled sintered neodymium iron boron permanent magnets

GB/T 34490-2017 Recycled sintered neodymium iron boron permanent magnets

Publish Date: 2017-10-14 Implement Date: 2018-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 34490-2017

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: 2017-10-14

Implement Date: 2018-05-01

Pages: 10 pages

Scope

This standard specifies the selection and classification of raw materials for recycled sintered NdFeB permanent magnets, the classification and grades of recycled sintered NdFeB permanent magnets, requirements, test methods, inspection rules and markings, packaging, transportation, storage, and quality certificates. This standard applies to recycled sintered NdFeB permanent magnets and products produced by powder metallurgy processes.

Development Information

Word Count: 18 Thousand words Pages: 10 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/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 9637-2001 Electrotechnical terminology— Magnetic materials and components GB/T 15676-1995 Terms for rare earths GB/T 15676-2015 Terms for rare earths XB/T 617.1-2014 Chemical analysis methods for neodymium iron boron alloy—Part 1:Determination of total rare earth content—Oxalate gravimetry XB/T 617.2-2014 Chemical analysis methods of neodymium iron boron alloy—Part 2:Determination of fifteen REO relative contents

Related Standards

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GB/T 16476-1996 Scandium metal

Publish Date: 1996-07-09