The steel of which the jewelry is made is steel otherwise known as surgical steel. Surgical steel is resistant to corrosion and scratches and makes for an ideal metal for body jewelry.
Steel body jewelry is a safe investment. Piercebody.com sells steel body jewelry.
For a person who loves jewelry it is just like a part of his/her body and hence the jewelry that the person purchases should be high quality so that it does not harm in any way and so it is recommended that before going for steel body jewelry or any other jewelry the person is sure of the quality.