ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS Z 2356 : 2006
Method of automatic ultrasonic inspection for graphite ingot
2006
25
JISf 2021 V.1
This Japanese Industrial Standard specifies the method of automatic ultrasonic inspection of plane flaws in all directions of isotopic graphite ingots which shall be performed underwater by utilizing a pulse echo technique using a single probe.