Cones and Other Shapes Cones: Round to Round Rectangle to Rectangle Ellipse to Ellipse Oblong to Oblong We can manufacture most any combination of the above conical shapes whether concentric or eccentric with up to two offsets and/or angles. Eccentric Round to Round Cone Multiple Cones Used On Many Units Computer software layout of your conical shapes and trade experienced employees work to control the rigid Code requirements for fit-up of shells to be welded. We can manufacture most cones in two or more sections depending on your size requirements. They can also be made from a wide range of material types and material thicknesses. Whether the cones are needed for ductwork or pressure vessels they go through the same quality of construction essential to satisfy the requirements of each customer. Alloy Rectangle to Rectangle Concentric Cones