CHS 168.3x5.2 Açotubo · Weight & Dimensions
Açotubo, cold-formed sections · 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 168.3x5.2 steel profile weighs 20.9 kg/m (14.06 lb/ft). Cross-sectional area: 2,664.448 mm². Moment of inertia Ix = 886.883 cm⁴, Iy = 886.883 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 5.2 mm ≈ 6 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 5.2 mm | 0.20 in |
| Diameter (d) | 168.3 mm | 6.63 in |
| Weight | 20.9 kg/m | 14.06 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,664.45 mm² | 4.130 in² |
| Moment of inertia (Ix) | 886.88 cm⁴ | 21.31 in⁴ |
| Moment of inertia (Iy) | 886.88 cm⁴ | 21.31 in⁴ |
| Elastic section modulus (Sx) | 105.39 cm³ | 6.432 in³ |
| Elastic section modulus (Sy) | 105.39 cm³ | 6.432 in³ |
| Plastic section modulus (Zx) | 138.38 cm³ | 8.444 in³ |
| Plastic section modulus (Zy) | 138.38 cm³ | 8.444 in³ |
| Radius of gyration (rx) | 5.77 cm | 2.271 in |
| Radius of gyration (ry) | 5.77 cm | 2.271 in |
Beam Calculator— CHS 168.3x5.2
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 168.3x5.2
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
9.51 mm
L/631
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
