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GB/T 39233-2020: Lanthanum-copper alloys
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39233-2020 | English | 119 |
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Lanthanum-copper alloys
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GB/T 39233-2020
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Basic data | Standard ID | GB/T 39233-2020 (GB/T39233-2020) | | Description (Translated English) | Lanthanum-copper alloys | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 6,641 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-10-01 | | Quoted Standard | GB/T 8170; GB/T 12690.1; GB/T 17803 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the technical requirements, test methods, inspection rules, markings, packaging, transportation, storage and quality certificates of lanthanum-copper alloy products. This standard applies to lanthanum-copper alloys produced by electrolysis and melt blending methods, as additives for the production of cast copper alloys and deformed copper alloys. | GB/T 39233-2020: Lanthanum-copper alloys---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.
(Lanthanum Copper Alloy)
ICS 77.120.99
H65
National Standards of People's Republic of China
Lanthanum Copper Alloy
2020-11-19 released
2021-10-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the National Rare Earth Standardization Technical Committee (SAC/TC229).
Drafting organizations of this standard. Hunan Rare Earth Metal Materials Research Institute, Baotou Rare Earth Research Institute, Yiyang Hongyuan Rare Earth Co., Ltd., Nonferrous Gold
It belongs to the Institute of Technology and Economics.
The main drafters of this standard. Liu Rongli, Wang Zhijian, Fan Yuchuan, Yi Shi, Huang Meisong, Wang Xiaoqing, Xie Ping, Chen Yuehua, Zhang Deping, Wang Shuying.
Lanthanum Copper Alloy
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, markings, packaging, transportation, storage and quality certification of lanthanum copper alloy products.
Ming book.
This standard applies to lanthanum-copper alloys produced by electrolysis and melting and blending, as an additive for the production of cast copper alloys and deformed copper alloys.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
GB/T 12690.1 Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides Part 1.Determination of carbon and sulfur content
High frequency-infrared absorption method
GB/T 17803 Rare earth product designation method
3 Technical requirements
3.1 Product Classification
The products are divided into three grades. LaCu-25, LaCu-15, and LaCu-5 according to their chemical composition, and the product grade representation method should comply with GB/T 17803
Provisions.
3.2 Chemical composition
The chemical composition of the product should meet the requirements of Table 1.If the buyer has special requirements, the supplier and the buyer can negotiate separately.
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