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SJ/T 10412-2016: Permanent ferrite powder
Status: Valid SJ/T 10412: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SJ/T 10412-2016 | English | 199 |
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Permanent ferrite powder
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SJ/T 10412-2016
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| SJ/T 10412-2002 | English | 230 |
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Permanent ferrite powder
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SJ/T 10412-2002
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| SJ/T 10412-1993 | English | 239 |
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Permanent ferrite powder
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SJ/T 10412-1993
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PDF similar to SJ/T 10412-2016
Basic data | Standard ID | SJ/T 10412-2016 (SJ/T10412-2016) | | Description (Translated English) | Permanent ferrite powder | | Sector / Industry | Electronics Industry Standard (Recommended) | | Classification of Chinese Standard | L19 | | Classification of International Standard | 29.030 | | Word Count Estimation | 8,894 | | Date of Issue | 2016-04-05 | | Date of Implementation | 2016-09-01 | | Older Standard (superseded by this standard) | SJ/T 10412-2002 | | Regulation (derived from) | The Ministry of Industry and Notice No. 2016 in 2016; industry standard record announcement 2016 No. 7 (total 199) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the naming and classification, requirements, test methods, quality assessment procedures, and marking, packaging, transportation and storage of permanent ferrite powders. This standard is applicable to various powders used in the manufacture of permanent magnet ferrite products (sintered permanent magnetite powder does not include the powder of the secondary ball milling process), which can be directly or further processed. | SJ/T 10412-2002
SJ
ELECTRONIC INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.030
L 19
Record number: 10547-2002
Replacing SJ/T 10412-1993
Permanent ferrite powder
ISSUED ON: JULY 31, 2002
IMPLEMENTED ON: DECEMBER 01, 2002
Issued by: Ministry of Industry and Information Technology of China
Table of ContentsForeword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Naming and classification ... 4
4 Requirements ... 5
5 Test methods ... 6
6 Quality assessment procedure ... 6
7 Marking, packaging, transportation and storage ... 8
Appendix A (Informative) Magnet process conditions ... 10
Permanent ferrite powder
ScopeThis Standard specifies the naming and classification, requirements, test methods,
quality assessment procedure, as well as marking, packaging, transportation and storage
of permanent ferrite powder (hereinafter referred to as “powder”).
This Standard applies to various powders used in the manufacture of permanent ferrite
products, which can be directly used or further shaped.
Normative ReferencesThe terms in the following documents become the terms of this Standard by reference
to this Standard. For dated references, all subsequent amendments (not including errata
content) or revisions do not apply to this standard. However, parties to agreements that
are based on this Standard are encouraged to study whether the latest versions of these
documents can be used. For undated references, the latest edition applies to this
Standard.
GB 191-2000, Packaging - Pictorial marking for handling of goods
GB/T 2828-1987, Sampling procedures and tables for lot-by-lot inspection by
attributes (Apply to inspection of successive lots or batches)
GB/T 3217-1992, Method of test of the magnetic properties of permanent magnetic
(magnetically hard) materials
GB/T 5048-1985, Moisture proof packaging
SJ/T 10411-2002, Physical analysis methods for permanent ferrite materials
3 Naming and classification
3.1 Naming
The naming example of permanent ferrite powder is as follows:
Example 1:
comply with the provisions of GB/T 5048-1985. The packaging bag shall bear at least
30 kg. Impurities must not be mixed in the powder.
7.2.2 The net weight of each bag of powder is (25±0.3) kg.
7.2.3 Each bag of powder shall be provided with a certificate of conformity with the
seal of the quality inspection department of the manufacturer, and the certificate of
conformity shall be indicated the date of inspection and the name or code of the
inspector.
7.3 Transportation
7.3.1 The powder is generally transported by conventional transportation methods, such
as automobiles, trains, ships, etc. However, no matter what mode of transportation is
used, the products shall be covered with awnings and shall not be damp.
7.3.2 There must be no mechanical damage to the packaging bag containing the powder
during transportation and loading. It is not allowed to directly hook, throw high, or fall
high during loading and unloading, and the falling-to-the-ground distance shall not be
higher than 50 cm.
7.3.3 If necessary, a simulated loading and unloading test can be carried out on the
packaging bag. During the test, the packaging bag shall be filled with powder such as
fine sand according to the specified weight of 25 kg, placed on a platform of (60~100)
cm and then thrown to the ground, at this time the packaging shall not be broken.
7.4 Storage
7.4.1 Powder shall be stored in warehouses with no acidic, alkaline or other harmful
substances in the surrounding air.
7.4.2 The manufacturer can make clear and detailed regulations on the warehouse
conditions for powder storage in the enterprise standards.
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