This standard applies to automatic ultrasonic angle flaw detection tests using the one-probe method or the two-probe method using the pulse reflection method for full penetration welds of fluorite steel with a thickness of 6 mm or more. The equipment, flaw detection method, and display method of flaw detection images are specified.
JIS Z 3070:1998 history
1998JIS Z 3070:1998 Methods for automatic ultrasonic testing for welds of ferritic steel