What kind of meat is used for chicken-fried steak?

Chicken-fried steak, also known as country-fried steak, is an American Southern breaded cutlet dish consisting of a piece of beefsteak (most often tenderized cube steak) coated with seasoned flour and either deep-fried or pan-fried. It is associated with the Southern cuisine of the United States. It is breaded and fried with a technique similar to the more common fried chicken, hence "chicken-fried". When deep-fried, it is usually referred to as "chicken-fried steak". Pan-fried versions are typically referred to as "country-fried steak".

Source: Wikipedia