Steel Section Catalog
HSS 323.9x9.5
AISC — 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.
The HSS 323.9x9.5 steel profile weighs 68.2 kg/m (45.83 lb/ft). Cross-sectional area: 8,711.3 mm². Moment of inertia Ix = 10,819.98 cm⁴, Iy = 10,819.98 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 8.8 mm | 0.35 in |
| Diameter (d) | 323.9 mm | 12.75 in |
| Weight | 68.2 kg/m | 45.83 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 8,711.3 mm² | 13.503 in² |
| Moment of inertia (Ix) | 10,819.98 cm⁴ | 259.95 in⁴ |
| Moment of inertia (Iy) | 10,819.98 cm⁴ | 259.95 in⁴ |
| Elastic section modulus (Sx) | 668.11 cm³ | 40.771 in³ |
| Elastic section modulus (Sy) | 668.11 cm³ | 40.771 in³ |
| Plastic section modulus (Zx) | 873.96 cm³ | 53.333 in³ |
| Plastic section modulus (Zy) | 873.96 cm³ | 53.333 in³ |
| Radius of gyration (rx) | 11.14 cm | 4.386 in |
| Radius of gyration (ry) | 11.14 cm | 4.386 in |
Beam Calculator— HSS 323.9x9.5
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mfixed @ 0mfixed @ 6m→kN/m
Results — HSS 323.9x9.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.78 mm
L/7694
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
