GB/T 7704-1987
Replaced
NB/T 20479.5-2018
Active
Industry standards-Energy
NB/T 20479.5-2018 Nuclear power plant structural and mechanical module weld defect detection - Part 5: Visual inspection
NB/T 20479.5-2018 Nuclear power plant structural and mechanical module weld defect detection - Part 5: Visual inspection
Price:
$ 30
Basic Information
Standard Code:
NB/T 20479.5-2018
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Non-destructive testing methods for metals
ICS Name:
Non-destructive testing
Publish Date:
2018-03-22
Implement Date:
2018-09-01
Scope
This part specifies the technical requirements and acceptance standards for visual inspection of welds in structural and mechanical modules of nuclear power plants during manufacturing and installation. This part applies to the visual inspection of the surface of welds in structural and mechanical modules of nuclear power plants. This part applies to the acceptance of visual inspection of welds in static load modules.
Development Information
Same series standard
NB/T 20479.1-2018 Nuclear power plant structural and mechanical module weld defect detection - Part 1: Ultrasonic testing
NB/T 20479.2-2018 Nuclear power plant structural and mechanical module weld defect detection - Part 2: Radiographic testing
NB/T 20479.3-2018 Non-destructive testing of welds in structural and mechanical modules of nuclear power plants - Part 3: Penetration testing
NB/T 20479.4-2018 Nuclear power plant structural and mechanical module weld defect detection - Part 4: Magnetic particle testing
Related Standards
GB/T 11343-1989
Replaced
GB/T 11343-1989 Ultrasonic angle beam examination by the contact method
GB/T 11344-1989
Replaced
GB/T 11344-1989 Measuring thickness by ultrasonic pulse-echo contact method
GB/T 2611-1992
Replaced
GB/T 2611-1992 General requirements for testing machines
GB/T 15823-1995
Replaced
GB/T 15823-1995 Examination for helium leak detecting
GB/T 12604.9-1996
Replaced