Tabela de peso de barra de aço octogonal

Octagonal Steel Bar Weight Table

How to calculate the theoretical weight of an Octagonal Steel bar

Introduction to Calculating the Weight of Steel Bars Calculating the theoretical weight of an octagonal steel bar is an essential tool for engineers, architects and construction professionals. This knowledge helps with cost estimation, logistics and support structures. Octagonal bars, due to their unique shape, are often used where structural properties and aesthetics are a priority.

Basic Calculation Formula

To calculate the theoretical weight of an octagonal steel bar, the formula for the weight of a bar with a regular cross section is used:

Weight = Cross Section Area × Length × Material Density

The commonly used steel density is approximately 7850 kg/m³. The cross-sectional area of ​​an octagonal shape can be calculated by the formula:

Practical Application Suppose we need to calculate the weight of an octagonal steel bar measuring 20 mm on a side and 1 meter long. First, we find the cross-sectional area using the formula provided and then multiply it by the density of the steel and the length of the bar.

Octagonal Steel Bar Weight Table

The following table lists the theoretical weight of 16-40 mm octagonal steel bar in kg/m.

Note
(mm)
Theoretical weight
(kg/m)
16 1.66
18 2.11
20 2.6
22 3.15
25 4.06
28 5.1
30 5.85
32 6.66
34 7.51
36 8.42
38 9:39 am
40 10.4

Importance of Accurate Calculation

The accuracy of this calculation is crucial to avoiding material waste and ensuring that engineering specifications are maintained, especially in projects that rely on structural precision and strict weight control.

Concluding

Calculating the theoretical weight of octagonal steel bars is a valuable skill in the construction and manufacturing industry. This knowledge helps to optimize the use of resources, plan transportation and estimate costs more efficiently. Understanding and applying these calculations ensures the integrity and economic viability of complex projects.

Would you like to know more about the application of steel bars in specific projects or do you have questions about the calculation? Leave your comment below and let's discuss best practices and solutions for using steel in construction and manufacturing.

Back to blog

Leave a comment

Please note, comments need to be approved before they are published.