10.14489/td.2024.04.pp.047-052

2024, 04 April

DOI: 10.14489/td.2024.04.pp.047-052

Selsky A. A., Mezin I. A.
ABOUT THE COSTS OF THE RUSSIAN STANDARD FOR ULTRASONIC INSPECTION OF WELDED JOINTS
(pp. 47-52)

Abstract. GOST R 55724‒2013, which entered in to force in 2015, caused a number of significant complaints from specialists in ultrasonic testing. In particular, this is the lack of clarification to the SKH diagrams, an ambiguous under standing of the controls chemes for connections with non-penetration, the incorrect methodology for converting the area of the flat-bottom reflector into a notch area, an excessively high criterion for the diameter of the object for lapping the prisms of sensors, and the lack of clarification on the use of tuning samples. The article analyzes these shortcomings and suggests ways to eliminate them.

Keywords: ultrasonic inspection, SKH-diagrams, non-test, reflector, prism lapping, standard sample.

+ - About the Authors Click to collapse

A. A. Selsky (Private educational institution Scientific and Educational Center "Regiontehservice", Krasnoyarsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
I. A. Mezin (Limited Liability Company "STM-SERVICE", Krasnoyarsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

+ - References Click to collapse

1. Non-destructive testing. Welded connections. Ultrasonic methods. (2014). Ru Standard No. GOST R 55724‒2013. Moscow: Standartinform. [in Russian language]
2. Non-destructive testing. Welded connections. Ultrasonic methods (cancelled). (2005). Standard No. GOST 14782‒86. Moscow: Standartinform. [in Russian language]
3. Manual arc welding. Welded connections. Main types, structural elements and dimensions. (2010). Standard No. GOST 5264‒80. Moscow: Standartinform. [in Russian language]
4. Gas shielded arc welding. Welded connections. Main types, structural elements and dimensions. (2007). Standard No. GOST 14771‒76. Moscow: Standartinform. [in Russian language]
5. Welded connections of steel pipelines. Main types, structural elements and dimensions. (1999). Standard No. GOST 16037‒80. Moscow: Standartinform. [in Russian language]
6. Steam and hot water boilers. Steam and hot water pipelines, vessels. Welded joints. Quality control. Ultrasonic testing. Basic provisions. (1997). Guidance document No. RD 34.17.302‒97 (OP 501 TsD-97). Moscow: RAO «EES Rossii». [in Russian language]
7. Non-destructive testing of welded joints. Ultrasonic testing. Technology, levels of control and evaluation. (2016). International standard No. GOST R ISO 17640‒2016. Moscow: Standartinform. [in Russian language]

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