NB/T 20002.6-2013 (English Version) PDF

Scope: This part specifies the surface preparation to be welded, the use of welding filler materials, the welding methods used for product welding and repair welding, product welds and repair welds during the manufacturing and installation process of nuclear is and mechanical equipment in pressurized water reactor nuclear power plants. Final processing, related heat treatment (preheating, postheating, stress relief heat treatment) and non-destructive testing, product welding witness implementation and other welding operation requirements. This section applies to product welding and inspection of nuclear is and mechanical equipment in pressurized water reactor nuclear power plants.

NB/T 20002.6-2013 Referenced Document

GB/T 16702-1996 Design rules for mechanical components of PWR nuclear islands
GB/T 19866 Specification and qualification of welding procedures for metallic materials.General rules
GB/T 3375 Welding terminology
GB/T 5185 Welding and allied processes.Nomenclature of processes and reference numbers
NB/T 20001 Manufacturing specifications for nuclear island machinery and equipment in pressurized water reactor nuclear power plants*， 2023-05-26 Update
NB/T 20002.1 Welding code for nuclear island mechanical equipment of pressurized water reactor nuclear power plant Part 1: General requirements*， 2021-12-22 Update
NB/T 20002.2 Welding code for nuclear island mechanical equipment of pressurized water reactor nuclear power plant Part 2: Acceptance of welding filler materials*， 2021-12-22 Update
NB/T 20002.3 Welding code for nuclear island machinery and equipment of pressurized water reactor nuclear power plant Part 3: Welding procedure qualification*， 2021-12-22 Update
NB/T 20002.4 Welding code for mechanical components of PWR nuclear islands.Part 4: Qualification of filler materials
NB/T 20002.5 Welding code for mechanical components of PWR nuclear islands.Part 5: Technical qualification for production workshops
NB/T 20004 Physical and chemical test methods for materials used in nuclear island components of nuclear power plants*， 2014-06-29 Update

2021 NB/T 20002.1-2021 Welding code for nuclear island mechanical equipment of pressurized water reactor nuclear power plant Part 1: General requirements
2013 NB/T 20002.1-2013 Welding code for mechanical components of PWR nuclear islands.Part 1:General requirements
0000 EJ/T 1027-1996