Steel Section Catalog
CHS 323.9x8 — Dimensions & Section Properties
EN — Circular Hollow Section
Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.
Also known as: Caño estructural redondo (Argentina)
The CHS 323.9x8 steel profile weighs 62.3 kg/m (41.87 lb/ft). Cross-sectional area: 7,939.4 mm². Moment of inertia Ix = 9,910.08 cm⁴, Iy = 9,910.08 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 8 mm | 0.31 in |
| Diameter (d) | 323.9 mm | 12.75 in |
| Weight | 62.3 kg/m | 41.87 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 7,939.4 mm² | 12.306 in² |
| Moment of inertia (Ix) | 9,910.08 cm⁴ | 238.09 in⁴ |
| Moment of inertia (Iy) | 9,910.08 cm⁴ | 238.09 in⁴ |
| Elastic section modulus (Sx) | 611.92 cm³ | 37.342 in³ |
| Elastic section modulus (Sy) | 611.92 cm³ | 37.342 in³ |
| Plastic section modulus (Zx) | 798.51 cm³ | 48.728 in³ |
| Plastic section modulus (Zy) | 798.51 cm³ | 48.728 in³ |
| Radius of gyration (rx) | 11.17 cm | 4.398 in |
| Radius of gyration (ry) | 11.17 cm | 4.398 in |
Beam Calculator— CHS 323.9x8
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mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 323.9x8
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.85 mm
L/7047
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
