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GB/T 31974-2015: Passivated granular magnesium
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31974-2015 | English | 149 |
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Passivated granular magnesium
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GB/T 31974-2015
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Basic data | Standard ID | GB/T 31974-2015 (GB/T31974-2015) | | Description (Translated English) | Passivated granular magnesium | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H54 | | Classification of International Standard | 77.140.99 | | Word Count Estimation | 7,743 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-08-01 | | Quoted Standard | GB/T 13748.18; YS/T 56; YS/T 617.1; YS/T 617.7; YS/T 617.8 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | 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 terms and definitions of hot metal desulfurization passivation magnesium particles, technical requirements, test methods, inspection rules, packaging, labeling, transportation, storage and quality certificate. This standard applies to hot metal desulphurization with granulated magnesium surface passivation coating particles of magnesium. | GB/T 31974-2015: Passivated granular magnesium---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.
(Passivation magnesium particles)
ICS 77.140.99
H54
National Standards of People's Republic of China
Passivated magnesium granules
Issued on. 2015-09-11
2016-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Nonferrous Metals Industry Association.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Toho Yingkou Refractories Co., Ltd. Metallurgical Equipment.
The main drafters of this standard. on Lin Hui, Xing Chen Yao, Wang and India, Guo Yuan Yi, Tian Feng, Yanchang Xi, Fan Qingdong, Dongliang Jun, Daixue Qian,
Qian Ya-feng, Yang Da, Huang Xingyu, Wu Shaojun, Shaojun Ning.
Passivated magnesium granules
1 Scope
This standard specifies the terms and definitions of hot metal desulfurization passivation magnesium particles, technical requirements, test methods, inspection rules, packaging, labeling, transportation
Transport, storage and quality certificate.
This standard applies to hot metal desulphurization with granulated magnesium surface passivation coating particles of magnesium.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
13748.18 Determination of GB/T magnesium and magnesium alloys - Analysis Method for Chlorine
YS/T 56 Determination of metal powder natural slope angle (angle of repose)
Measuring the activity of aluminum, magnesium activity, the amount of active aluminum-magnesium. YS/T 617.1 aluminum, magnesium and alloy powder Determination of physical and chemical properties - Part 1
Given gas volumetric method
YS/T 617.7 aluminum, magnesium alloy powder and its physical and chemical properties measurement method - Part 7. Determination of particle size distribution of laser scattering/diffraction method
YS/T 617.8 aluminum, magnesium alloy powder Part 8 Determination of its physical and chemical properties. Bulk Density Determination
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Passivation magnesium particles passivatedgranularmagnesium
After the magnesium metal particle surface-passivation treatment, mainly for hot metal desulfurization pretreatment material.
4. Technical Requirements
4.1 Physical indicators
Physical and chemical indicators should be consistent with Table 1.
Table 1 Physical and Chemical Indicators
Item Index
Active magnesium content /% ≥92
granularity/%
0.5mm ~ 1.6mm ≥90
< 0.5mm ≤5
Angle of repose/(°) < 30
Bulk density/(g/cm3) 0.90 ~ 1.03
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