Bundled Steel Can Scrap shall consist of compressed assorted flattened or whole steel cans with a minimum weight density of 75 lb./cubic foot. This material is typically generated from food cans from municipal recycling programs. May contain Bi-Metal (aluminum/steel) beverage cans. CAUTION May not contain aerosol cans. All Steel Mill Scrap grades are based on prepared mill specifation grades in minimum truck~lot~load quantities (20 Ton).