ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS G 0587:2007
Method for ultrasonic examination for carbon steel and low alloy steel forgings
2007
26
JISh 2022 Std.
This Standard specifies the methods of ultrasonic examination for carbon and low alloy steel forgings 20 mm or over in thickness and 50 mm or more in radius of outside curvature by means of an ultrasonic flaw detector with pulse echo type A-scope presentation.