Search result: GB/T 15677-2023 (GB/T 15677-2010 Older version)
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| GB/T 15677-2023 | English | 189 |
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Lanthanum metal and lanthanum powder
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GB/T 15677-2023
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| GB/T 15677-2010 | English | 239 |
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Lanthanum metal
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GB/T 15677-2010
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| GB/T 15677-1995 | English | 199 |
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Lanthanum metal
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GB/T 15677-1995
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| Standard ID | GB/T 15677-2023 (GB/T15677-2023) | | Description (Translated English) | Lanthanum metal and lanthanum powder | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 10,141 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Older Standard (superseded by this standard) | GB/T 15677-2010 | | Drafting Organization | Baotou Rare Earth Research Institute, Hunan Rare Earth Metal Materials Research Institute Co., Ltd., Youyan Rare Earth New Materials Co., Ltd., Inner Mongolia Rare Aoke Hydrogen Storage Alloy Co., Ltd., Qiandong Rare Earth Group Co., Ltd., Ruiko Rare Earth Metallurgy and Functional Materials National Engineering Research Center Co., Ltd., Ganzhou Chenguang Rare Earth New Materials Co., Ltd. | | Administrative Organization | National Rare Earth Standardization Technical Committee (SAC/TC 229) | | Proposing organization | National Rare Earth Standardization Technical Committee (SAC/TC 229) | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 15677-2023. Metal lanthanum and lanthanum powder
ICS 77.120.99
CCSH65
National Standards of People's Republic of China
Replace GB/T 15677-2010
Metal lanthanum and lanthanum powder
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Preface
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 15677-2010 "Metal Lanthanum". Compared with GB/T 15677-2010, except for structural adjustments and editorial changes
In addition, the main technical changes are as follows.
a) Metal lanthanum produced by thermal reduction method has been added to the scope (see Chapter 1, Chapter 1 of the.2010 edition);
b) Added classification (see Chapter 4);
c) Added the metal lanthanum brand La-4N and its corresponding assessment indicators (see Table 1, Table 1 of the.2010 version);
d) The assessment indicators of O, W, Mo and Ti in metal lanthanum grades La-4N, La-3N and La-2N5 have been added (see Table 1,.2010 version
Table 1);
e) The assessment index of non-rare earth impurity S in the metal lanthanum brand La-2N5 has been changed from 0.02% to 0.01% (see Table 1,.2010
version of Table 1);
f) Added the chemical composition and physical properties test methods of metallic lanthanum powder (see 6.1, 6.2, Chapter 3 of the.2010 edition);
g) Added the packaging method of metallic lanthanum powder (see 7.4.2, 6.1 of the.2010 edition);
h) The metal lanthanum brand La-2N and its corresponding assessment indicators are deleted (see 3.1 of the.2010 version).
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed and coordinated by the National Rare Earth Standardization Technical Committee (SAC/TC229).
This document was drafted by. Baotou Rare Earth Research Institute, Hunan Rare Earth Metal Materials Research Institute Co., Ltd., Youyan Rare Earth New Materials Co., Ltd.
Co., Ltd., Inner Mongolia SEAOKE Hydrogen Storage Alloy Co., Ltd., Qiandong Rare Earth Group Co., Ltd., Ruike Rare Earth Metallurgy and Functional Materials National
Home Engineering Research Center Co., Ltd., Ganzhou Chenguang Rare Earth New Materials Co., Ltd.
The main drafters of this document. Liu Yubao, Huang Haitao, Gao Rizeng, Liu Wei, Xie Ping, Zhang Quanjun, Yu Bing, Wu Wenqi, Liu Rongli, Wu Daogao,
Wang Yongguang, Yao Nanhong, Chen Yan, Zhao Erxiong, Zhang Deping, Zhang Shanshan.
This document was first published in.1995, revised for the first time in.2010, and this is the second revision.
Metal lanthanum and lanthanum powder
1 Scope
This document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and
Accompanying files.
This document applies to lanthanum metal produced by molten salt electrolysis and thermal reduction methods. It is mainly used as special steels, non-ferrous metals, hydrogen storage materials, and magnets.
It is an important additive or alloying element for reactive materials, and can also be used as a reducing agent for the preparation of other rare earth metals.
This document also applies to metal lanthanum powder produced by hydrogenation-dehydrogenation method using lanthanum metal as raw material, which is mainly used for functions in the electronics industry.
Materials, alloy replacement agents, other metal reducing agents, 3D printing powders, and additives for non-ferrous metals, special alloys and special steels, etc.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 1479.1 Measurement of bulk density of metal powders Part 1.Funnel method
GB/T 8170 Numerical rounding rules and expression and determination of limit values
GB/T 12690 (all parts) Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides
GB/T 14635 Chemical analysis method of rare earth metals and their compounds - Determination of total rare earth content
GB/T 17803 Rare earth product brand representation method
GB/T 18115.1 Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides - Part 1.Cerium, praseodymium, neodymium, samarium,
Determination of amounts of europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium
GB 39176 Packaging, marking, transportation and storage of rare earth products
YS/T 617.6 Methods for determination of physical and chemical properties of aluminum, magnesium and their alloy powders Part 6.Determination of particle size distribution and screening method
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
particle sizeparticlesize
The linear dimensions of individual powder particles measured by sieving or other suitable methods.
[Source. YS/T 617.6-2007,4.1]
3.2
apparentdensity
The mass per unit volume naturally filled by metal powder under specified conditions.
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