NB/T 20450.5-2017 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 20450.5-2017	RFQ	ASK	7 days	Alternative welding code for mechanical components of PWR nuclear islands Part 5: Examination of production welds	Obsolete

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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.

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