#1 prepared scrap steel is smaller than 5 ft by 3 ft and contains a heavy gauge of 1/4 inch or more.

Scrap #2 prepared steel has a lighter gauge and can't include light iron or sheet metal (3 ft by 18 in).

Scrap cars, trucks, and autos need to be prepared and processed free of gas tank, fluids, and battery.

Scrap unprepared steel includes black pipe, large equipment, farm equipment, and longer unprepared pieces.