YS/T 721: Evolution and historical versions
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| YS/T 721-2025 | English | RFQ |
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Sintered cobalt flakes
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YS/T 721-2025
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| YS/T 721-2009 | English | 169 |
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Sintered cobalt piece
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YS/T 721-2009
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Basic data | Standard ID | YS/T 721-2025 (YS/T721-2025) | | Description (Translated English) | Sintered cobalt flakes | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H72 | | Classification of International Standard | 77.16 | | Date of Issue | 2025-04-10 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | YS/T 721-2009 | | Issuing agency(ies) | Ministry of Industry and Information Technology | YS/T 721-2009: Sintered cobalt piece---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Sintered cobalt piece
ICS 77.160
H72
People's Republic of China Nonferrous Metals Industry Standard
Sintered cobalt sheet
Posted 2009-12-04
2010-06-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard by the National Standardization Technical Committee of non-ferrous metals and centralized.
This standard is drafted by. High-tech Co., Ltd. Shenzhen Grammy.
Participated in the drafting of this standard. Jingmen Grammy New Materials Co., Ltd.
The main drafters of this standard. Han Hongtao, Xu Kaihua, Zhou Jifeng, pear Yan Peng this super.
Sintered cobalt sheet
1 Scope
This standard specifies the sintering of cobalt sheet requirements, test methods, inspection rules, marking, packaging, transportation, storage and purchase order (or contract)
content.
This standard applies to cobalt produced by sintering sheet for the magnetic field, battery material, cobalt alloy catalyst like.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Can you use the latest versions of these files. For undated reference documents, the latest versions apply to this standard.
YS/T 281.1 Methods for chemical analysis of cobalt sulfosalicylic acid spectrophotometric determination of iron content
YS/T 281.2 Methods for chemical analysis of cobalt chromium azure S- octyl polyethylene glycol phenyl ether brominated cylpyridinium mixed micellar solubilization
Spectrophotometric determination of aluminum content
Determination of silicon content YS/T 281.3 cobalt molybdenum blue spectrophotometric method for chemical analysis
YS/T 281.6 Methods for chemical analysis of cobalt flame atomic absorption spectrophotometric determination of magnesium content
YS/T 281.7 Methods for chemical analysis of cobalt flame atomic absorption spectrophotometric determination of zinc content
YS/T 281.8 Methods for chemical analysis of cobalt flame atomic absorption spectrophotometry of cadmium content
Absorption spectrophotometric determination of lead content YS/T 281.9 Methods for chemical analysis by flame atomic cobalt
YS/T 281.10 Methods for chemical analysis of cobalt flame atomic absorption spectrophotometric determination of nickel content
YS/T 281.11 Methods for chemical analysis of cobalt flame atomic absorption spectrophotometric determination of copper, manganese content
3 Requirements
3.1 Categories
Sintered cobalt sheet is divided into three grades. SCo1, SCo2, SCo3.
Representation 3.2 grade
S --- indicates that the product produced by sintering;
Co1, Co2, Co3 --- indicates the product level.
3.3 Chemical composition
Chemical composition of the product shall comply with the requirements in Table 1.
Table 1 chemical composition of the sintered cobalt sheet mass fraction /%
Trademark
chemical composition
Co
not less than
Impurity content of not more than
Ni Cu Fe Ca Mg Pb Zn Cd Mn Na Al Si O
SCo1 99.90 0.010 0.008 0.005 0.008 0.005 0.005 0.008 0.001 0.002 0.005 0.005 0.008 0.05
SCo2 99.80 0.020 0.008 0.010 0.010 0.008 0.005 0.010 0.005 0.008 0.008 0.008 0.010 0.10
SCo3 99.70 0.030 0.010 0.020 0.015 0.010 0.005 0.010 0.010 0.008 0.020 0.020 0.015 0.20
Note. The content of cobalt is 100% minus the sum of the Central African table oxygen impurity Found margin.
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