Do you know titanium and stainless steel?

Titanium and stainless steel are two different metal materials, their main components are Ti, the difference is that titanium is a silver-white metal, and stainless steel is a blue metal. Titanium is a rare metal, widely used in aerospace, automotive industry, biomedical and other fields, while stainless steel is a common corrosion-resistant material, widely used in food industry, agriculture and other fields.