NB/T 20450.3-2017 Active Industry standards-Energy

NB/T 20450.3-2017 Pressurized Water Reactor Nuclear Island Mechanical Equipment Welding Another Specification Part 3: Welding Procedure Verification

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 20450.3-2017

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: 87 pages

Scope

This section specifies the rules for welding process assessments of butt welds and fillet welds for nuclear island mechanical equipment in pressurized water reactor nuclear power plants, special welding process assessments, wear-resistant and corrosion-resistant overlay welding process assessments, heat exchange tube and tube plate welding process assessments, and temper welding process assessments. The section is applicable to welding methods such as stick electrode arc welding (111), submerged arc welding (12), tungsten inert gas shielded arc welding (141), molten electrode inert or non-inert gas shielded arc welding (131, 135), inert or non-inert gas shielded flux-cored wire arc welding (137, 136), plasma arc welding (15), electron beam welding (51), laser welding (52), and electroslag welding (72) overlay welding.