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GB/T 28400-2012: Neodymium magnesium alloy
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28400-2012 | English | 139 |
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Neodymium magnesium alloy
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GB/T 28400-2012
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Basic data | Standard ID | GB/T 28400-2012 (GB/T28400-2012) | | Description (Translated English) | Neodymium magnesium alloy | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 6,643 | | Quoted Standard | GB/T 8170; GB/T 12690.1; XB/T 614.1 | | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | | 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 the requirements neodymium magnesium alloy products, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate. This standard applies to electrolysis, fused with the production of magnesiu | GB/T 28400-2012: Neodymium 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.
ICS77.120.99
H65
National Standards of People's Republic of China
Neodymium magnesium alloy
Issued on. 2013-03-01 2012-06-29 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
This standard by the National Standardization Technical Committee of rare earth (SAC/TC229) centralized.
This standard was drafted. Hunan Institute of rare earth materials, Baotou Rare Earth Research Institute, Chinese Academy of Sciences, Changchun Institute of Applied Chemistry, has
Institute of Rare Earth New Materials Co., Ltd.
The main drafters of this standard. Liu Rongli, Weng Guoqing, Xie Ping, Zhang Deping, Luan Chau.
Neodymium magnesium alloy
1 Scope
This standard specifies requirements for neodymium magnesium alloy products, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate.
This standard applies to electrolysis, with production of melting neodymium alloy, mainly used for the production of cast and wrought magnesium alloy additives used.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 rounding off rules limiting values \u200b\u200brepresent the judgment
GB/T 12690.1 non - rare earth impurities in rare earth metals and their oxides chemical analysis method of high frequency - infrared absorption method of determination of carbon,
Sulfur content
XB/T614.1 gadolinium magnesium alloy chemical analysis methods - Part 1. Determination of the weight of the total rare earths
3 Requirements
3.1 Chemical composition
Chemical composition of the product shall comply with the requirements in Table 1. Demand side, such products have special requirements, negotiated by both parties to resolve.
Table 1
product
Trademark
Chemical composition (mass fraction) /%
RE Mg
Nd/RE
not less than
Impurity content of not more than
Rare earth impurities /
RE
Non-rare earth impurities
Si Fe Al Cu Ni C
045035 35 ± 2 margin 99.5 0.5 0.05 0.15 0.05 0.01 0.01 0.08
045030 30 ± 2 balance 99.5 0.05 0.5 0.15 0.05 0.01 0.01 0.08
045025 25 ± 2 balance 99.5 0.05 0.5 0.15 0.05 0.01 0.01 0.08
3.2 Appearance
3.2.1 Products for the cast alloy.
3.2.2 The surface of the product showed a fracture and silver, should be clean, no visual evidence of inclusions and oxide powder off.
Test Method 4
4.1 Chemical composition test methods
Analysis of total rare earth conducted in accordance with XB/T614.1 4.1.1 product.
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