NB/T 20450.1-2017 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 20450.1-2017	239	Add to Cart	3 days	Alternative welding code for mechanical components of PWR nuclear islands Part 1: General requirements	Obsolete

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Basic data

Standard ID: NB/T 20450.1-2017 (NB/T20450.1-2017)
Description (Translated English): Alternative welding code for mechanical components of PWR nuclear islands Part 1: General requirements
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: F69
Classification of International Standard: 27.120.20
Word Count Estimation: 6,645
Date of Issue: 2017-04-01
Date of Implementation: 2017-10-01
Quoted Standard: GB/T 3375; GB/T 12467.2-2009; NB/T 20450.2; NB/T 20450.3; NB/T 20450.4; NB/T 20450.5; HAF 602; HAF 603
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 specifies the general requirements for the welding of nuclear island machinery and equipment for pressurized water reactor nuclear power plants. Includes requirements for general rules, personnel, production equipment, marking and traceability, specimens, rating joints, and preservation of product weld witnesses. This standard applies to the welding and surfacing of carbon steel, low alloy steel, austenitic stainless steel and nickel base alloy of nuclear island machinery and equipment of pressurized water reactor nuclear power plant.

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