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GB/T 4051-2013: Synthetic ruby
Status: Valid GB/T 4051: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4051-2013 | English | 259 |
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3 days [Need to translate]
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Synthetic ruby
| Valid |
GB/T 4051-2013
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| GB/T 4051-1997 | English | 239 |
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2 days [Need to translate]
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Cal synthetic ruby
| Obsolete |
GB/T 4051-1997
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| GB/T 4051-1983 | English | RFQ |
ASK
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3 days [Need to translate]
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Horological synthetic ruby
| Obsolete |
GB/T 4051-1983
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PDF similar to GB/T 4051-2013
Basic data | Standard ID | GB/T 4051-2013 (GB/T4051-2013) | | Description (Translated English) | Synthetic ruby | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y11 | | Classification of International Standard | 39.040 | | Word Count Estimation | 11,136 | | Older Standard (superseded by this standard) | GB/T 4051-1997 | | Quoted Standard | GB/T 16553-2010 | | Regulation (derived from) | National Standards Bulletin No. 25 of 2013 | | Issuing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 red synthetic corundum, the various parts of the name, technical requirements, test methods, inspection rules and the packaging, labeling, transportation. This standard applies to the growth of red flam | GB/T 4051-2013: Synthetic ruby---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.
Synthetic ruby
ICS 39.040
Y11
National Standards of People's Republic of China
Replacing GB/T 4051-1997
Red synthetic corundum
Issued on. 2013-12-17
2014-12-01 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.
This standard replaces GB/T 4051-1997 "red artificial corundum," compared with the GB/T 4051-1997, the main technical differences are as follows.
--- Modify the standard name, the standard name was changed to "red synthetic corundum";
--- Increasing the introduction part;
--- Increasing the normative references;
--- Added "industrial jewel" and "ornamental stones" is defined (see 3.2, 3.3);
--- The A, B, C and other industrial goods classified as gem (see Table 1);
--- Modify the B, C and other goods round boule diameter and half length requirements, and increase the ornamental stones Dimensions requirements (see 5.1);
--- Increase decorative gem quality requirements (see Table 2);
--- Increased industrial gem hardness, density requirements and test methods (see Table 2 and Table 3).
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee clocks (SAC/TC160) centralized.
This standard was drafted. Yantai Polaris Co., Ltd., Shanghai Guan Fleming Limited, Yantai Polaris Huajing Gem Co., Ltd.
Company Institute of Light Industry watch.
The main drafters of this standard. Luo Jianyi, Zhang Lan night, Zhong Huimin, Wu Jianguang, Maqing Zhong Qu Yan, Lidong Wen.
This standard supersedes the previous editions.
--- GB 4051-1983;
--- GB/T 4051-1997.
Introduction
Red synthetic corundum (also known as synthetic ruby) is the watch industry for the manufacture of gems elements (such as jewel bearings, shock absorber jewel, forks tile, etc.)
Traditional materials in the country, internal and external clocks, instruments and other industrial products has been widely used. Crafts trims in red are synthetic corundum
Of applications, such as for processing the ring surface ring, earrings and so on. Due to the different uses of red synthetic corundum technical requirements differ.
The red synthetic corundum into industrial use precious stones and ornamental stones, help enterprises to adjust production according to the different needs of the production process, and better control
Manufactured product quality, but also can reduce the production cost. Thus this amendment red synthetic corundum divided into industrial and decorative gems
gem.
Flame fusion method is the main method of synthetic corundum, since the nineteenth century invention still in use, having a crystal growth speed, raw
Long large size, and simple production equipment, suitable for industrial mass production.
Red synthetic corundum
1 Scope
This standard specifies the terms and definitions red synthetic corundum, the name of each part, technical requirements, test methods, inspection rules and packaging, marking
Chi, transportation.
This standard applies to the growth of red flame fusion synthetic corundum boules.
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.
GB/T 16553-2010 jade jewelry appraisal
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Red pear-shaped doped with Cr2O3 of γ-Al2O3 powder in a sintering furnace at high temperature melting in the pre-orientation of the seed crystals formed
Single crystal, the main chemical composition of α-Al2O3.
3.2
Industrial gem industrialruby
For the processing used in industrial products, the impact on product performance synthetic corundum components.
3.3
Ornamental stones decorativeruby
For processing has no effect on product performance, synthetic corundum mainly for decoration gem element.
3.4
Semi boule halfpear-formcrystal
Synthetic corundum boule along the optical axis and crystal face growth axis orientation splitting in half and crystals.
3.5
Cleavage plane cleavageplane
Crystals can often be along one or some of the planes have a certain orientation splitting nature called rational solution crystal, so that the planes called Solutions
Cleave plane (ie, subdivision surfaces).
3.6
Orientation angles directionalangle
The angle between the optical axis and the growth axis.
3.7
Smooth non-frosted
Boule cylindrical surface was shiny glass, velvet-like thin layer of powder is no uniform coverage or sparsely covered.
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