Stainless steel is notable for its corrosion resistance, and it is widely used for food handling and cutlery among many other applications. 

Stainless steel is used for corrosion-resistant tools such as this nutcracker 
Stainless steel does not readily corrode, rust or stain with water as ordinary steel does. However, it is not fully stain-proof in low-oxygen, high-salinity, or poor air-circulation environments