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GB/T 28297-2012: Thicker steel plates -- Method for automatic ultrasonic testing
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 28297-2012 | English | 189 |
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Thicker steel plates -- Method for automatic ultrasonic testing
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GB/T 28297-2012
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Basic data | Standard ID | GB/T 28297-2012 (GB/T28297-2012) | | Description (Translated English) | Thicker steel plates -- Method for automatic ultrasonic testing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H26 | | Classification of International Standard | 77.040.20 | | Word Count Estimation | 8,842 | | Quoted Standard | GB/T 2970-2004; JB/T 10061 | | Regulation (derived from) | National Standards Bulletin No. 9 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 thick steel ultrasonic automatic detection of the test block (board), automatic ultrasonic testing systems and equipment, test conditions and methods of measurement and assessment of defects, steel quality grading, inspection r | GB/T 28297-2012: Thicker steel plates -- Method for automatic ultrasonic testing---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.
Thicker steel plates. Method for automatic ultrasonic testing
ICS 77.040.20
H26
National Standards of People's Republic of China
Thick steel plate ultrasonic automatic detection method
Issued on. 2012-05-11
2013-02-01 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 reference standard EN10160.1999 "is equal to or greater than the thickness of 6mm flat steel products Ultrasonic Inspection (reflection method)" and other foreign
Advanced standards, developed with domestic situation and development trend of automatic ultrasonic testing equipment.
The standard proposed by China Iron and Steel Association.
This standard by the National Steel Standardization Technical Committee (SAC/TC183) centralized.
Drafting of this standard. Chongqing Iron & Steel Co., Ltd., Metallurgical Industry Information Standards Institute, Steel Research Institute.
The main drafters of this standard. Liu Yonggang, original Jianhua, Dong Li, Gu Huiming, Cao Yang, Tang Zhigang, money loud and clear, Duda Song.
Thick steel plate ultrasonic automatic detection method
1 Scope
This standard specifies the thick steel automatic ultrasonic detection test block (board), automatic ultrasonic testing system and equipment, test conditions and methods, lack of
Measurement and Evaluation of depression, the quality of steel grade, the content of inspection reports.
This standard applies to a thickness of 6mm ~ 200mm of boilers, pressure vessels, bridges, construction, shipbuilding, structural steel, pipeline steel and other purposes
Ultrasound steel automatic detection.
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 2970-2004 steel plate ultrasonic inspection
JB/T 10061 A-mode pulse reflection type ultrasonic flaw detector General technical requirements
3 General requirements
3.1 is the surface quality of the subject steel plate, size, shape automatic test equipment should meet the requirements.
3.2 in steel automatic ultrasonic testing personnel should be trained and familiar with the equipment performance, proficiency in computer and automatic ultrasonic testing system
And equipment, and obtain the relevant departments issued by the ultrasonic flaw detection level 1 and above professional qualification certificates. Reports issued by the relevant departments should get award
Hair ultrasonic flaw detection level 2 and above professional qualification certificates. Subject steel microstructure should not interfere in the examination of the impact test
Echo.
3.3 thick steel plate ultrasonic automatic detection is generally longitudinal wave.
3.4 Other requirements should be consistent with GB/T 2970 requirements.
Comparative Sample 4
Acoustic performance and materials 4.1 Comparative sample should be the same or similar subject steel plate, and shall ensure that its internal inspection does not affect the existence of the defect.
4.2 probe performance test specimens used for comparison should be consistent with GB/T 2970 requirements.
4.3 Dynamic test panel should be processed a certain number and type of artificial defects, including at least check the surrounding surface and a flat bottom hole or blind spot detection
Groove, and an artificial defect sensitivity calibration required. Dynamic test plate dimensions shall comply with the requirements of automatic testing equipment. Dynamic test plate can participate
Fig. 1 production.
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