GB/T 39233-2020 English PDF

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GB/T 39233-2020: Lanthanum-copper alloys
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39233-2020	119	Add to Cart	3 days	Lanthanum-copper alloys	Valid

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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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