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YS/T 1130-2016: Sintered porous metal. Detection methods of welding crack
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Sintered porous metal. Detection methods of welding crack
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YS/T 1130-2016
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Basic data | Standard ID | YS/T 1130-2016 (YS/T1130-2016) | | Description (Translated English) | Sintered porous metal. Detection methods of welding crack | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H16 | | Classification of International Standard | 77.160 | | Word Count Estimation | 5,546 | | Date of Issue | 2016-07-11 | | Date of Implementation | 2017-01-01 | | Quoted Standard | GB/T 5249 | | Regulation (derived from) | Notice of the Ministry of Industry and Information Technology (2016 No. 37) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the detection method of welding cracks for sintered metal porous materials. This standard is applicable to the detection of welding cracks in sintered metal porous materials for filtration and separation by rolling-sintering, powder pressing and sintering. | YS/T 1130-2016: Sintered porous metal. Detection methods of welding crack---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.
Sintered porous metal.Detection methods of welding crack
ICS 77.160
H16
People's Republic of China Nonferrous Metals Industry Standard
Test Method for Welding Cracks of Sintered Metal Porous Materials
2016-07-11 released
2017-01-01 Implementation
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the National Committee for Standardization of Nonferrous Metals (SAC/TC243).
The drafting of this standard. Western Po Tak Technology Co., Ltd., Chengdu Yi State Technology Co., Ltd., Northwest Nonferrous Metals Research Institute, steel
Research Institute.
The main drafters of this standard. Dai Chen, Dong Lingfeng, Cao Baoriang, Gao Lin, Xue Cuicui, Chen Jinmei, Li Aijun, Zhu Li Ran.
Test Method for Welding Cracks of Sintered Metal Porous Materials
1 Scope
This standard specifies the detection method of welding cracks for sintered metal porous materials.
This standard is applicable to the welding of sintered metal porous materials for filtration and separation by rolling-sintering, powder pressing-sintering
Pattern detection.
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.
GB/T 5249 Permeability - Determination of the pore size of sintered metal materials
3 principle
The sintered metal porous material (specimen) and the inlet pipe connection, submerged in the test liquid, slowly to the specimen into the gas (usually mining
With compressed air), observe the specimen substrate and the weld surface of the bubble. By observing the pressure of the first bubble and the weld gas
Bubble distribution, to determine whether the sintered metal porous material welding cracks.
4 instruments
4.1 A device capable of filtering clean dry gas at an appropriate pressure.
4.2 can provide a stable pressure control, according to a predetermined rate of gradual boost or step by step boost, and can maintain a pressure at each step pressure
Regulator.
4.3 The device for measuring gas pressure, with an accuracy of ± 1%.
4.4 According to the different forms of welding the use of different sealing methods to ensure that the entire test process is completely immersed in a test
Constant depth (height of the surface to the specimen surface h greater than 10mm). The device should be able to more easily observe the appearance of the specimen surface bubbles,
The tubular specimen shall be capable of horizontal rotation in accordance with the axis of symmetry to ensure that the entire surface is capable of being inspected.
5 specimen
The sheet specimen should be flat and uniform in thickness. Tubular specimens are divided into two types. one is the middle of the straight pipe, the other is welded at both ends
Flange, nozzle of the porous tube. The end of the end of the pipe through the end of the head should be smooth, should not affect the specimen seal. Both ends have welded flange, tube
The mouth of the perforated tube can be directly connected to the nozzle or the inlet or with the inlet pipe method and the inlet seal connection. Chip test pieces and test instructions
Figure 1a), through the tubular specimen and test diagram shown in Figure 1b).
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