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GB/T 34485-2017 English PDF

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GB/T 34485-2017: Method of ultrasonic inspection for wrought zirconium and zirconium alloy products
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 34485-2017	English	199	Add to Cart	3 days [Need to translate]	Method of ultrasonic inspection for wrought zirconium and zirconium alloy products	Valid	GB/T 34485-2017

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Basic data

Standard ID	GB/T 34485-2017 (GB/T34485-2017)
Description (Translated English)	Method of ultrasonic inspection for wrought zirconium and zirconium alloy products
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Classification of International Standard	77.040.20
Word Count Estimation	10,184
Date of Issue	2017-10-14
Date of Implementation	2018-05-01
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

GB/T 34485-2017: Method of ultrasonic inspection for wrought zirconium and zirconium alloy products

---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.
Method of ultrasonic inspection for wrought zirconium and zirconium alloy products ICS 77.040.20 H26 National Standards of People's Republic of China Zirconium and zirconium alloy products ultrasonic testing methods aloyproducts 2017-10-14 Published 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Nonferrous Metals Industry Association. This standard by the National Non-ferrous Metal Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted unit. Baoji Titanium Group Co., Ltd., Baoji Titanium Co., Ltd., the National Nuclear Titanium Zirconium Corporation, the new zirconium core Materials Science and Technology Co., Ltd., non-ferrous metal technology and Economy Institute. The main drafters of this standard. Ma Xiaohuai, Guo Yongqing, Feng Junning, Fu Hongzuo, Li Heng Yu, Wu Pi Jie, Hu Zhijie, Chen Zhangan, Wang Jian, Mo Zixuan. Zirconium and zirconium alloy products ultrasonic testing methods

1 Scope

This standard specifies the zirconium and zirconium alloy products for ultrasonic testing requirements, testing equipment, contrast test block, the sensitivity of debugging, Cheng Order, acceptance, record and report. This standard applies to the cross-sectional thickness of 5mm ~.200mm zirconium and zirconium alloy products ultrasonic testing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 9445 non-destructive testing personnel qualification and certification JB/T 10061 A pulse reflection ultrasonic flaw detector general technical conditions

3 detection principle

Ultrasound generated by the sound source into the seized product to a certain direction and speed of the spread, the acoustic impedance on both sides have a different interface When part of the sound waves are reflected, the reflected ultrasonic waves are received and processed by the detection equipment and analyzed to evaluate whether the products under inspection The existence of defects and the characteristics of defects.

4 requirements

4.1 staff Personnel engaged in ultrasonic testing should have the necessary business knowledge, and according to GB/T 9445 or equivalent to obtain grade Ⅰ or above Ultrasound qualification certificate, issued and interpretation of ultrasonic testing report should obtain grade Ⅱ or above ultrasonic qualification certificate. 4.2 Method Categories Usually using longitudinal wave detection, both sides can increase the cross-wave. P-wave or shear wave detection, immersion method or contact method Can be used. 4.3 product surface The surface of the product to be inspected shall be clean and free of dirt, grease, metal scraps and other foreign substances that will prevent the test. Ra roughness is not Greater than 3.2μm (to meet the ultrasonic test requirements).

5 testing equipment

5.1 flaw detector Ultrasonic flaw detector to generate, receive and display to meet the frequency and energy requirements of high-frequency electrical pulse, at least in the 2MHz ~

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