Can a CF8M (SS-316) cast valve disc be magnetic by any means.
I was a little shocked to see austenitic SS magnetic
http://files.engineering.com/getfile.aspx?folder=a0273852-7772-4a32-93f9-351bb23a9b02&file=IMG_3929.JPG
I wish to ask if passing of PSV (Pressure safety valve) can be identified by acoustic emission technique and if yes, can it be done while the stream is online. Does any of you have such an experience?