HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (25 Oct 2025)

NB/T 20450.5-2017 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
NB/T 20450.5-2017EnglishRFQ ASK 7 days [Need to translate] Alternative welding code for mechanical components of PWR nuclear islands Part 5: Examination of production welds Obsolete NB/T 20450.5-2017

PDF similar to NB/T 20450.5-2017


Standard similar to NB/T 20450.5-2017

NB/T 20015   EJ/T 350   EJ/T 424   NB/T 20445.4   NB/T 20439   NB/T 20432   

Basic data

Standard ID NB/T 20450.5-2017 (NB/T20450.5-2017)
Description (Translated English) Alternative welding code for mechanical components of PWR nuclear islands Part 5: Examination of production welds
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard F69
Classification of International Standard 27.120.20
Word Count Estimation 31,356
Date of Issue 2017-04-01
Date of Implementation 2017-10-01
Quoted Standard GB/T 3375; GB/T 5185; GB/T 19866; NB/T 20002.3; NB/T 20002.6; NB/T 20003.7; NB/T 20003.8; NB/T 20328.2; NB/T 20328.3; NB/T 20328.4; NB/T 20328.5; NB/T 20450.3; NB/T 20450.4; HAF 602
Regulation (derived from) National Energy Board Bulletin 2017 No. 7; Industry Standard Filing Announcement 2017 No. 9 (Total No. 213)
Issuing agency(ies) National Energy Administration
Summary This standard stipulates the non-destructive testing items, proportions, methods and acceptance criteria of welding bevels and finished welds in the manufacture and installation of nuclear island machinery and equipment of PWR nuclear power plants, as well as the setting and inspection of product welding witnesses, and the products of the manufacturer. Pre-service inspection and other requirements. This standard applies to the welding inspection of nuclear island machinery and equipment of pressurized water reactor nuclear power plants.