STRAIGHT LOCKSEAM TUBES Newcan is capable of manufacturing straight lockseam tubes that range in size according to Inside Diameters from .375 inches to 5.00 inches, and tubes lengths of 1 inch to 40 inches. • Internal or external lockseams • Materials: Electrolytic Tin plate, Stainless Steel, Cold Rolled Steel, Aluminum and Galvanized Steel and others. • Varying perforation patterns for open area • Material thickness: Ranging from .008 inches to .040 inches. • Corrugated, if required • Margins available on tube ends (click on the photo for a larger image)