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.
The CHS 140x9 steel profile weighs 29.1 kg/m (19.54 lb/ft). Cross-sectional area: 3,703.938 mm². Moment of inertia Ix = 798.291 cm⁴, Iy = 798.291 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 9 mm | 0.35 in |
| Diameter (d) | 140 mm | 5.51 in |
| Weight | 29.1 kg/m | 19.54 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,703.94 mm² | 5.741 in² |
| Moment of inertia (Ix) | 798.29 cm⁴ | 19.18 in⁴ |
| Moment of inertia (Iy) | 798.29 cm⁴ | 19.18 in⁴ |
| Elastic section modulus (Sx) | 114.04 cm³ | 6.959 in³ |
| Elastic section modulus (Sy) | 114.04 cm³ | 6.959 in³ |
| Plastic section modulus (Zx) | 154.69 cm³ | 9.440 in³ |
| Plastic section modulus (Zy) | 154.69 cm³ | 9.440 in³ |
| Radius of gyration (rx) | 4.64 cm | 1.828 in |
| Radius of gyration (ry) | 4.64 cm | 1.828 in |
15.0 kN·m
15.0 kN
10.57 mm
L/568