NB/T 20450.4-2017 Active Industry standards-Energy

NB/T 20450.4-2017 Pressurized Water Reactor Nuclear Island Mechanical Equipment Welding Specification Part 4: Product Welding and Heat Treatment of Mechanical Equipment for Nuclear Power Plants

Publish Date: 2017-04-01 Implement Date: 2017-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: NB/T 20450.4-2017

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Nuclear reactors and nuclear island equipment in nuclear power plants

ICS Name: Nuclear power stations, safety

Publish Date: 2017-04-01

Implement Date: 2017-10-01

Pages: 28 pages

Scope

This section specifies the requirements for the storage and use of welding materials, groove processing and welding assembly, welding methods, surface cleanliness and protection, product welding requirements, accessory welding, welding repair, and welding-related heat treatment (preheating, post-heating, and stress relief heat treatment) during the manufacturing and installation of nuclear island mechanical equipment in pressurized water reactor nuclear power plants. This section applies to the welding of products and welding-related heat treatment for nuclear island mechanical equipment in pressurized water reactor nuclear power plants.