CHS 168.3x8.7 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 168.3x8.7 steel profile weighs 34.2 kg/m (23.01 lb/ft). Cross-sectional area: 4,362.164 mm². Moment of inertia Ix = 1,393.049 cm⁴, Iy = 1,393.049 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 8.7 mm | 0.34 in |
| Diameter (d) | 168.3 mm | 6.63 in |
| Weight | 34.2 kg/m | 23.01 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 4,362.16 mm² | 6.761 in² |
| Moment of inertia (Ix) | 1,393.05 cm⁴ | 33.47 in⁴ |
| Moment of inertia (Iy) | 1,393.05 cm⁴ | 33.47 in⁴ |
| Elastic section modulus (Sx) | 165.54 cm³ | 10.102 in³ |
| Elastic section modulus (Sy) | 165.54 cm³ | 10.102 in³ |
| Plastic section modulus (Zx) | 221.83 cm³ | 13.537 in³ |
| Plastic section modulus (Zy) | 221.83 cm³ | 13.537 in³ |
| Radius of gyration (rx) | 5.65 cm | 2.225 in |
| Radius of gyration (ry) | 5.65 cm | 2.225 in |
Beam Calculator— CHS 168.3x8.7
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 168.3x8.7
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
6.06 mm
L/991
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
