Stainless steel is made with chromium. The higher the chromium, the less magnetic. Examples of very high chromium SS would be parts made for boats that would see a lot of salt water.
As for my pin, it is aluminum. I tested it with anodizing that I use on aluminum gun sites. You learn something new every day.
As for my pin, it is aluminum. I tested it with anodizing that I use on aluminum gun sites. You learn something new every day.