This standard specifies the ultrasonic testing method for wall thickness of oil well pipes. This standard is applicable to the detection of wall thickness of pipes used in oil and gas wells, and also applies to the detection of wall thickness of other similar pipes.
SY/T 5447-1992 history
2016SY/T 6858.5-2016 Nondestructive testing methods for oil well pipes Part 5: Ultrasonic thickness measurement
1992SY/T 5447-1992 Ultrasonic Thickness Measurement of Non-destructive Testing Method for Oil Well Pipe
SY/T 5447-1992 Ultrasonic Thickness Measurement of Non-destructive Testing Method for Oil Well Pipe was changed to SY/T 6858.5-2016 Nondestructive testing methods for oil well pipes Part 5: Ultrasonic thickness measurement.