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What is octagonal bar?
Octagonal steel is a kind of section steel, also known as octagonal bar, which is a bar with regular octagonal section.

Octagonal Bar Weight Calculator
According to dimension, shape, weight and allowable deviation of hot rolled steel bar (GB / t702-2008), the opposite edge distance of hot rolled octagonal steel is 16mm ~ 40mm.
Generally, it can be delivered according to actual weight or theoretical weight in the market.
You can use the octagonal steel weight calculator below to calculate the weight of octagonal steel.
Octagonal Bar Weight Chart
Grade (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 |
40 | 10.4 |