Aluminum sheet and aluminum plate are essentially the same; the only true distinction is in their respective thickness. Aluminum sheet is any aluminum sheet metal thicker than foil but thinner than 6mm; it comes in many forms including diamond plate, expanded, perforated and painted aluminum sheet. Aluminum plate is any aluminum sheet metal that is thicker than 6mm.
Sheet, the most widely used form of aluminum, is found in all of the aluminum industry’s major markets. In packaging, sheet is used to manufacture cans and packages. In transportation, aluminum sheet is used to manufacture panels for automobile bodies and tractor trailers. Sheet is used in home appliances and cookware. In building and construction, it is formed into products including siding, gutters, roofing, awnings and carports. Sheet aluminum can be color-anodized to black, gold, red, blue and hundreds of other colors. It can be etched to a matte finish, polished to a sparkling brightness or textured to resemble wood and painted.
"the composition of 1100 or 1060 aluminum sheet pure aluminum Aluminum content greater than 99% is called pure aluminum, 1100 aluminum content is 99%, and 1060 aluminum content is 99.6%. Other ingredients are iron and silicon."