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Database: 189760 (18 Oct 2025)
NB/T 20009.21-2014 English PDF
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NB/T 20009.21-2014
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Welding material for pressurized water reactor nuclear power plants Part 21: Carbon steel covered electrodes for safety-related components
Obsolete
NB/T 20009.21-2014
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Basic data
Standard ID
NB/T 20009.21-2014 (NB/T20009.21-2014)
Description (Translated English)
Welding material for pressurized water reactor nuclear power plants Part 21: Carbon steel covered electrodes for safety-related components
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
J33
Classification of International Standard
25.160.20
Word Count Estimation
12,140
Date of Issue
10/15/2014
Date of Implementation
3/1/2015
Quoted Standard
GB/T 223.5; GB/T 223.12; GB/T 223.14; GB/T 223.16; GB/T 223.19; GB/T 223.21; GB/T 223.23; GB/T 223.26; GB/T 223.62; GB/T 223.63; GB/T 223.68; GB/T 3965; GB/T 4336; GB/T 5117; GB/T 20123; GB/T 25774.1; GB/T 25774.3; GB/T 25775; GB/T 25777; GB/T 25778; NB/T
Regulation (derived from)
State Energy Bureau Notice 2014 No. 11; Industry Standard Filing Notice 2015 No. 1 (Overall No. 181)
Issuing agency(ies)
National Energy Administration
Summary
This standard specifies the contents of the passive safety level PWR nuclear power plant equipment manual arc welding of carbon steel models, technical requirements, test methods, inspection rules, packaging, labeling and quality certification documents.