CHS 108x9 GOST · Weight & Dimensions
GOST, 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 108x9 steel profile weighs 22.0 kg/m (14.76 lb/ft). Cross-sectional area: 2,799.159 mm². Moment of inertia Ix = 345.766 cm⁴, Iy = 345.766 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 9 mm | 0.35 in |
| Diameter (d) | 108 mm | 4.25 in |
| Weight | 22.0 kg/m | 14.76 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,799.16 mm² | 4.339 in² |
| Moment of inertia (Ix) | 345.77 cm⁴ | 8.31 in⁴ |
| Moment of inertia (Iy) | 345.77 cm⁴ | 8.31 in⁴ |
| Elastic section modulus (Sx) | 64.03 cm³ | 3.907 in³ |
| Elastic section modulus (Sy) | 64.03 cm³ | 3.907 in³ |
| Plastic section modulus (Zx) | 88.45 cm³ | 5.398 in³ |
| Plastic section modulus (Zy) | 88.45 cm³ | 5.398 in³ |
| Radius of gyration (rx) | 3.51 cm | 1.384 in |
| Radius of gyration (ry) | 3.51 cm | 1.384 in |
Beam Calculator— CHS 108x9
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 108x9
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
24.40 mm
L/246
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
