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Database: 189760 (18 Oct 2025)
NB/T 20007.9-2019 English PDF
NB/T 20007.9: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
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NB/T 20007.9-2019
English
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(Stainless steel for pressurized water reactor nuclear power plants Part 9: Butt-welded seamless pipe fittings of grade 1, 2, and 3 austenitic stainless steel)
Valid
NB/T 20007.9-2019
NB/T 20007.9-2011
English
439
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Stainless steel for pressurized water reactor nuclear power plant. Part 9: Class 1, 2, 3 austenitic stainless steel seamless buttwelding fittings
Obsolete
NB/T 20007.9-2011
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Basic data
Standard ID
NB/T 20007.9-2019 (NB/T20007.9-2019)
Description (Translated English)
(Stainless steel for pressurized water reactor nuclear power plants Part 9: Butt-welded seamless pipe fittings of grade 1, 2, and 3 austenitic stainless steel)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
J15%F65
Date of Issue
2019
Date of Implementation
2020-07-01
Issuing agency(ies)
National Energy Administration