JB/T 8146-2014Technical requirements for Al-Ni-Co permanent magnetic (hard magnetic) alloys (English PDF)
铝镍钴永磁（硬磁）合金技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 8146-2014 is the English-translated version of 铝镍钴永磁（硬磁）合金技术条件.
JB/T 8146-2014 is a recommended Chinese machinery industry standard covering Al-Ni-Co permanent magnetic alloys, the hard magnetic materials from which permanent magnets are made.
It lists the grades of these alloys and the lowest values of their main magnetic properties, and it fixes the limit deviations on dimensions and on form and position, together with the test methods and the inspection rules.
Further characteristics of Al-Ni-Co magnet alloys are given as additional information. The standard draws on GB/T 2900.60, GB/T 3217-2013, GB/T 9637, GB/T 17951-2005 and GB/T 24270-2009.
It replaces JB/T 8146-1995. Issued on 9 July 2014, it has applied since 1 November 2014.
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Document preview — JB/T 8146-2014
National Standard of the People's Republic of China
- ICS
- 29.030
- Replacing
- JB/T 8146-1995
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
1 Foreword
JB/T 8146-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.
It replaces the earlier edition JB/T 8146-1995.
2 Scope
This standard is a recommended Chinese machinery industry standard covering Al-Ni-Co permanent magnetic alloys, the hard magnetic materials from which permanent magnets are made. It lists the grades of these alloys and the lowest values of their main magnetic properties, and it fixes the limit deviations on dimensions and on form and position, together with the test methods and the inspection rules. Further characteristics of Al-Ni-Co magnet alloys are given as additional information. The standard draws on GB/T 2900.60, GB/T 3217-2013, GB/T 9637, GB/T 17951-2005 and GB/T 24270-2009. It replaces JB/T 8146-1995.
3 Normative references
JB/T 8146-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 2900.60
GB/T 3217-2013 — Permanent magnet (magnetically hard) materials -- Methods of measurement of magnetic properties
GB/T 9637
GB/T 17951-2005
GB/T 24270-2009 — Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 8146-1995 (earlier edition)
6 Classification and status
International classification (ICS): 29.030
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2900.60Electrotechnical terminology -- Electromagnetism
- GB/T 3217-2013Permanent magnet (magnetically hard) materials -- Methods of measurement of magnetic properties
- GB/T 9637Electrotechnical terminology -- Magnetic materials and components
- GB/T 17951-2005Specification for magnetically hard materials
- GB/T 24270-2009Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
Similar standards
Editions of JB/T 8146
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 8146-2014 | Technical requirements for Al-Ni-Co permanent magnetic (hard magnetic) alloys | current edition | Current |
| JB/T 8146-1995 | Technical requirements for Al-Ni-Co permanent magnetic (hard magnetic) alloys | previous edition | Superseded |
This page sells the current edition, JB/T 8146-2014. Earlier editions are listed for reference only.
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Related Standards
GB/T 24270-2009 — Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
GB/T 2900.60-2002 — Electrotechnical terminology -- Electromagnetism
GB/T 3217-2013 — Permanent magnet (magnetically hard) materials -- Methods of measurement of magnetic properties
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