GB/T 7704-1987
Replaced
GB/T 39849-2021
Active
National standards
GB/T 39849-2021 Non-destructive testing instruments—Ultrasonic time-of-flight diffraction instrument—Methods of performance tests
GB/T 39849-2021 Non-destructive testing instruments—Ultrasonic time-of-flight diffraction instrument—Methods of performance tests
Basic Information
Standard Code:
GB/T 39849-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Ultrasonic and acoustic radiation flaw detection instruments
ICS Name:
Non-destructive testing
Publish Date:
2021-03-09
Implement Date:
2022-04-01
Pages:
13 pages
Scope
This standard specifies the performance testing methods for ultrasonic diffraction time-of-flight detectors.
This standard is applicable to ultrasonic diffraction time-of-flight detectors.
Development Information
Referenced Standards
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