surfaces 12 a and 12 b to draw the sheet material 12 from the coil 12 c the sheet material 12 may be of a variety of materials such as aluminum metal stock used to manufacture beverage can bodies tin plated steel sheeting materials alloys of various metals steel sheeting or other such metallic sheet materials the metallic sheet material 12 typically is pre dimensioned to a desired thickness width and length in aluminum can manufacturing processes the aluminum sheeting material may range from approximately 0 0095 to 0 0194 inches 0 24 to 0 492 mm in thickness for certain beverage can products the aluminum stock typically is about 0 0104 inches 0 264 mm thick such aluminum sheet stock is typically about 29 70 inches 73 178 cm wide and most often is about 60 inches 152 cm depending on the size and number of aluminum u201c cups u201d formed by each cycle of the u201c cupping u201d press which is the first forming step in producing aluminum can bodies in many aluminum can forming processes approximately 4 to 5 u201c cups u201d are formed per square foot stock that is about 60 inch 152 cm wide and about 0 0104 inch 0 264 mm thick the aluminum stock used in such application may be of various lengths depending on the size of the aluminum sheet coil 12 c the lubricating composition used to form the necessary coating or film on the surface or surfaces of the sheet material 12 is selected after consideration of a number of factors affecting the process for forming and.