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YS/T 790-2012: Iridium tubes
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 790-2012 | English | 189 |
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Iridium tubes
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YS/T 790-2012
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Basic data | Standard ID | YS/T 790-2012 (YS/T790-2012) | | Description (Translated English) | Iridium tubes | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H68 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 7,788 | | Quoted Standard | GB/T 1422-2004; GB/T 1423; GB/T 15077-2008; GB/T 18035 | | Regulation (derived from) | Ministry of Industry and Information Technology Bulletin 2012 No. 20; industry standard filing Notice 2012 No. 10 (No. 154 overall) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the iridium tube requirements, test methods, inspection rules, packaging, labeling, transportation, storage, product quality certificates and contracts (or orders) content. This standard applies to the production of powder metallur | YS/T 790-2012: Iridium tubes---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.
Iridium tubes
ICS 77.120.99
H68
People's Republic of China Nonferrous Metals Industry Standard
Iridium tube
Issued on. 2012-05-24
2012-11-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
Material Limited.
The main drafters of this standard. Aijian Ling, Chen Shaokai, Zhumei Sheng, Nipei Tong, Han Jiqing.
Iridium tube
1 Scope
This standard specifies the iridium tube requirements, test methods, inspection rules, packaging, labeling, transportation, storage, product quality certificate and contract (or
Orders) content.
This standard applies to powder metallurgy method for the production of seamless pipe iridium refractory fiber industry.
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 1422-2004 iridium powder
GB/T 1423 Determination of precious metals and their alloys density
GB/T 15077-2008 precious metals and their alloys geometric measurements
GB/T 18035 method of precious metals and their alloys
3 Requirements
3.1 Categories
3.1.1 grade, status, specifications
Grade tubing, state, shall conform to the specifications in Table 1.
Table 1
Grade status
Specifications/mm
The length of the wall thickness of the outer diameter of φ
T-Ir99.95
T-Ir99.99
Y (cold state)
5.5
6.0
6.5
7.0
8.0
10.0
12.0
0.6,0.7,0.8
25 to 100
25-200
3.1.2 tag example
Products labeled sequence name, grade, status, specifications, standard number of said tag example as follows.
With SM-Ir99.95 according to the standards of Ir seamless pipe, cold state, specifications diameter φ10.0mm, wall thickness of 0.6mm, length 100mm, marked.
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