Originally Posted by Cloaked
For the sake of conversation, I have seen NDE techs do a MT on a 'stainless' sleeve and find flaws. Most stainless has a certain amount of carbon.
Not insinuating you are incorrect, just conversation.
Cheap imported "stainless steel" will likely be poor quality SS or even just be plated in SS. Higher quality SS may not have enough carbon steel to be picked up by a magnet.