Steel Section Catalog
HSS 168.3x7.1
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 168.3x7.1 steel profile weighs 26.3 kg/m (17.67 lb/ft). Cross-sectional area: 3,352.8 mm². Moment of inertia Ix = 1,097.63 cm⁴, Iy = 1,097.63 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 6.6 mm | 0.26 in |
| Diameter (d) | 168.3 mm | 6.63 in |
| Weight | 26.3 kg/m | 17.67 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,352.8 mm² | 5.197 in² |
| Moment of inertia (Ix) | 1,097.63 cm⁴ | 26.37 in⁴ |
| Moment of inertia (Iy) | 1,097.63 cm⁴ | 26.37 in⁴ |
| Elastic section modulus (Sx) | 130.44 cm³ | 7.960 in³ |
| Elastic section modulus (Sy) | 130.44 cm³ | 7.960 in³ |
| Plastic section modulus (Zx) | 172.67 cm³ | 10.537 in³ |
| Plastic section modulus (Zy) | 172.67 cm³ | 10.537 in³ |
| Radius of gyration (rx) | 5.72 cm | 2.252 in |
| Radius of gyration (ry) | 5.72 cm | 2.252 in |
Beam Calculator— HSS 168.3x7.1
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mfixed @ 0mfixed @ 6m→kN/m
Results — HSS 168.3x7.1
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
7.69 mm
L/781
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
