Steel Section Catalog
CHS 168.3x8
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.
The CHS 168.3x8 steel profile weighs 31.6 kg/m (21.24 lb/ft). Cross-sectional area: 4,028.8 mm². Moment of inertia Ix = 1,297.27 cm⁴, Iy = 1,297.27 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 8 mm | 0.31 in |
| Diameter (d) | 168.3 mm | 6.63 in |
| Weight | 31.6 kg/m | 21.24 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 4,028.8 mm² | 6.245 in² |
| Moment of inertia (Ix) | 1,297.27 cm⁴ | 31.17 in⁴ |
| Moment of inertia (Iy) | 1,297.27 cm⁴ | 31.17 in⁴ |
| Elastic section modulus (Sx) | 154.16 cm³ | 9.407 in³ |
| Elastic section modulus (Sy) | 154.16 cm³ | 9.407 in³ |
| Plastic section modulus (Zx) | 205.74 cm³ | 12.555 in³ |
| Plastic section modulus (Zy) | 205.74 cm³ | 12.555 in³ |
| Radius of gyration (rx) | 5.67 cm | 2.232 in |
| Radius of gyration (ry) | 5.67 cm | 2.232 in |
Beam Calculator— CHS 168.3x8
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mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 168.3x8
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
6.50 mm
L/923
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
