How to calculate the weight of a steel circle

All rolled metal products, including round sections, are shipped in weight equivalent. To calculate the weight of steel round timber of any length, it is necessary to take into account its diameter and steel grade (more precisely, its specific gravity). Knowing the diameter of a circle, you can easily calculate its volume (using the formula for the volume of a cylinder):

V = πr²h,

Where r – the radius of the circle (half the diameter) and h – its length.

Having determined the volume, it is not difficult to calculate the weight of the bar, for this we use the formula:

m = ρV,

where ρ – this is the specific weight of steel (it is necessary to specify according to the special table, in accordance with the brand).

By performing inverse arithmetic operations, you can find out the footage of a circle in a volume unit (for example, in 1 m³):

h = V/ πr²

An accurate calculation of the weight of the steel circle is necessary for the preparation of design and technical documentation, accounting, calculation of transport and storage costs. In addition, knowing how to correctly calculate the weight of rolled metal will help you control the process of its shipment.

To simplify the calculations, we recommend using our tables in the appropriate section of the site. Also here you can learn in detail about the range of steel circle, its characteristics, and the use of round bars.