GB/T 29657-2013 English PDF

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GB/T 29657-2013: Yttrium-magnesium alloy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29657-2013	139	Add to Cart	3 days	Yttrium-magnesium alloy	Valid

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Basic data

Standard ID: GB/T 29657-2013 (GB/T29657-2013)
Description (Translated English): Yttrium-magnesium alloy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H65
Classification of International Standard: 77.120.99
Word Count Estimation: 6,679
Quoted Standard: GB/T 8170; GB/T 12690.1
Regulation (derived from): National Standards Bulletin 2013 No. 17
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies: yttrium magnesium alloy requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates. This standard applies to: electrolysis, fused with the law and restore production yttrium

GB/T 29657-2013: Yttrium-magnesium alloy

---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.
Yttrium-magnesium alloy ICS 77.120.99 H65 National Standards of People's Republic of China Yttrium magnesium alloy 2013-09-06 release 2014-05-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is under the jurisdiction of the National Rare Earth Standardization Technical Committee (SAC/TC229). The drafting of this standard. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Baotou Rare Earth Research Institute, Linjiang Dongfeng Nonferrous Metals Co., Ltd. Division, Beijing has Rare Earth New Materials Co., Ltd. The main drafters of this standard. Zhang Deping, Wang Xiaoqing, Meng Jian, Chen Guohua, Xie Ping, Tian Zheng, Zhao Haidong, Guo Yu. Yttrium magnesium alloy

1 Scope

This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates of the yttrium magnesium alloy. This standard applies to electrolysis, melting method and reduction method of production of yttrium magnesium alloy, mainly used in the production of automotive engines and high temperature magnesium alloy Additives and the like.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170 GB/T 12690.1 Chemical analysis of rare earth impurities in rare earth metals and their oxides - High frequency - infrared absorption method for the determination of carbon, Sulfur content

3 request

3.1 Chemical composition The chemical composition of yttrium magnesium alloy should meet the requirements of Table 1. If there is a special requirement, the supply and demand sides may consult separately. Table 1 product Grade Chemical composition (mass fraction) /% RE Mg Y/RE not less than Impurity content, no more than Rare earth impurities / RE Non-rare earth impurities Si Fe Al Cu Ni C 175030A 30 ± 2 Balance 99.9 0.1 0.03 0.10 0.02 0.005 0.005 0.04 175030B 30 ± 2 Balance 99.5 0.5 0.05 0.15 0.05 0.01 0.01 0.08 175025A 25 ± 2 Balance 99.9 0.1 0.03 0.10 0.02 0.005 0.005 0.04 175025B 25 ± 2 balance 99.5 0.5 0.05 0.15 0.05 0.01 0.01 0.08 175020A 20 ± 2 Balance 99.9 0.1 0.03 0.10 0.02 0.005 0.005 0.04 175020B 20 ± 2 balance 99.5 0.5 0.05 0.15 0.05 0.01 0.01 0.08 3.2 appearance 3.2.1 The product is cast alloy. 3.2.2 product surface and its fracture are silver-gray, should be clean, no visible inclusions and oxidation off powder. ......

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