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Database: 189760 (18 Oct 2025)
NB/T 20006.5-2021 English PDF
NB/T 20006.5: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
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NB/T 20006.5-2021
English
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(Alloy steel for pressurized water reactor nuclear power plant - Part 5: Manganese-nickel-molybdenum steel forgings for reactor pressure vessel head)
Valid
NB/T 20006.5-2021
NB/T 20006.5-2012
English
959
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5 days [Need to translate]
Alloy steel for pressurized water reactor nuclear power plants. Part 5: Mn-Ni-Mo alloy steel forgings for reactor pressure vessel heads
Obsolete
NB/T 20006.5-2012
PDF similar to NB/T 20006.5-2021
Standard similar to NB/T 20006.5-2021
GB/T 5068
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YB/T 5222
NB/T 20006.14
NB/T 20006.20
NB/T 20006.1
Basic data
Standard ID
NB/T 20006.5-2021 (NB/T20006.5-2021)
Description (Translated English)
(Alloy steel for pressurized water reactor nuclear power plant - Part 5: Manganese-nickel-molybdenum steel forgings for reactor pressure vessel head)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
H43
Classification of International Standard
77.140.85
Date of Issue
2021-01-07
Date of Implementation
2021-07-01
Older Standard (superseded by this standard)
NB/T 20006.5-2012
Regulation (derived from)
National Energy Administration Announcement No. 1 of 2021
Issuing agency(ies)
National Energy Administration