What is an octagonal bar?
Octagonal steel, also known as octagonal bar, is a type of steel section that has a regular octagonal shape.
Calculate weight of octagonal bar
According to the specifications of dimension, shape, weight and allowable deviation described in GB/T702-2008, the distance between opposite edges of hot-rolled octagonal steel should be in the range of 16 mm to 40 mm.
In the market, hot-rolled octagonal steel is usually delivered based on its actual weight or its theoretical weight.
Octagonal Bar Weight Table
| Diameter (mm) |
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 |
