Making A Cone From Sheet Metal

This white paper is about cones of metal.

Making a cone from sheet metal.

The easiest way to make a cone is to start with a semicircle. Bending sheet metal is easier than you might first expect so do not be. To make a solid cone trace the bottom of the cone onto a spare sheet of material then cut the circle out. For example cones of carbon steel s235 s355 or stronger kinds of steel such as s460 and s690.

By determining the length of the slanted side and the circumference at the wide end of your cone you can quickly and easily produce a cone exactly the size you want it to be out of a flat piece of sheet metal. View the cone instructions below to learn how to manually layout the flat pattern for a truncated cone in single or multiple gore sections. I used aluminum sheet coil but you could use paper or any flat material. Metal cones are good for finishing chimneys topping off certain types of outdoor fire and grill buildings and occasionally for decor purposes.

There are many reasons that you might need to bend a cone from sheet metal. The curved steel cone calculator from chicago metal rolled products makes it easy to find the precise curved steel cone dimensions you need. If making a felt foam plastic or metal cone use hot glue instead. Here is one way to make a cone from flat stock.

Rolling a metal cone out of sheet metal may be a little easier than you may think. Once the size of the cone has been determined you can quickly and easily cut out the sheet metal before fastening it together using a rivet gun to permanently set it into a conical form. The cone has a diameter at the top smaller than the diameter at the bottom and to accurately trace the shape onto sheet metal you need to make a template out of construction paper. It allows you to determine either the size of raw material needed or the number of gore sections to fit on your available material.

Sheet metal cone calculator. Building a cone out of sheet metal is a simple procedure.