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Database: 189760 (18 Oct 2025)
NB/T 20002.3-2021 English PDF
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NB/T 20002.3-2021
: (Welding code for nuclear island mechanical equipment of pressurized water reactor nuclear power plant - Part 3: Welding procedure qualification)
Status: Valid
NB/T 20002.3: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
NB/T 20002.3-2021
English
1679
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(Welding code for nuclear island mechanical equipment of pressurized water reactor nuclear power plant - Part 3: Welding procedure qualification)
Valid
NB/T 20002.3-2021
NB/T 20002.3-2013
English
RFQ
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8 days [Need to translate]
Welding code for mechanical components of PWR nuclear islands. Part 3: Welding procedure qualification
Obsolete
NB/T 20002.3-2013
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Basic data
Standard ID
NB/T 20002.3-2021 (NB/T20002.3-2021)
Description (Translated English)
(Welding code for nuclear island mechanical equipment of pressurized water reactor nuclear power plant - Part 3: Welding procedure qualification)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
F69
Classification of International Standard
27.120.20
Word Count Estimation
67,677
Date of Issue
2021-12-22
Date of Implementation
2022-03-22
Issuing agency(ies)
National Energy Administration