GB/T 5203-1985
Replaced
NB/T 20679-2023
Active
Industry standards-Energy
NB/T 20679-2023 The ultrasonic and eddy current inspection of the J-shaped weld on the top cover penetration piece of the reactor pressure vessel
NB/T 20679-2023 The ultrasonic and eddy current inspection of the J-shaped weld on the top cover penetration piece of the reactor pressure vessel
Price:
$ 30
Basic Information
Standard Code:
NB/T 20679-2023
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:
Reactor engineering
Publish Date:
2023-10-11
Implement Date:
2024-04-11
Scope
It is suitable for ultrasonic inspection and eddy current inspection of the top cover penetration parts of the reactor pressure vessels and the J-type welds (the materials of both the body and the welds are nickel-based alloys) in pressurized water reactor nuclear power plants before and during their operation.
Development Information
Related Standards
GB/T 8995-1988
Replaced
GB/T 8995-1988 In-core instrumentation for neutron fluence rate measurements in nuclear reactors
GB/T 8996-1988
Replaced
GB/T 8996-1988 Dimensions of sample planchets used in nuclear electronic instruments
GB/T 8998-1988
Abolished
GB/T 8998-1988 Environmental thermoluminescence dosimeter and its usage
GB 14588-1993
Replaced
GB 14588-1993 Technical regulations for environmental management of reactor decommissioning
GB/T 5962-1995
Replaced