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Database: 189759 (19 Oct 2025)
NB/T 20679-2023 English PDF
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Standard Title (Description)
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NB/T 20679-2023
English
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3 days [Need to translate]
(Ultrasonic and eddy current inspection of J-shaped welds of reactor pressure vessel top cover penetration parts)
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NB/T 20679-2023
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Basic data
Standard ID
NB/T 20679-2023 (NB/T20679-2023)
Description (Translated English)
(Ultrasonic and eddy current inspection of J-shaped welds of reactor pressure vessel top cover penetration parts)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
F69
Classification of International Standard
27.120.10
Date of Issue
2023-10-11
Date of Implementation
2024-04-11
Issuing agency(ies)
National Energy Administration