1.1 This document specifies the method and quality rating requirements for ultrasonic testing of pressure equipment, using the A-type pulse reflection method. 1.2 This document is applicable to the ultrasonic testing of raw materials, parts, welded joints made of metal materials, during the production and use of pressure equipment. 1.3 The ultrasonic testing of metal support parts and structural parts (including welded joints) related to pressure equipment can be carried out, in accordance with the provisions of this document. 1.4 When ultrasonic imaging technology combining A-type display and other display methods is used for testing, it can also be carried out in accordance with the provisions of this document.
Basic Data
Standard ID
NB/T 47013.3-2023 (NB/T47013.3-2023)
Description (Translated English)
Nondestructive testing of pressure equipment - Part 3: Ultrasonic testing
