There are a lot of sources where you can find relevant information on magnetic properties:
Manufacturer's websites and product catalogs: Check websites of well-known steel producers, such as ArcelorMittal, Tata Steel, Nippon Steel, and POSCO.
Online material databases: Websites like MatWeb...
Your plan to pursue a Bachelor's degree in Mechanical Engineering and then a Master's degree in Biomedical Engineering seems like a well-thought-out approach, given your interests in Mathematics, Physics, Mechanical designs, Biology, and Medical devices. Mechanical Engineering indeed provides a...