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 140x28 steel profile weighs 77.3 kg/m (51.97 lb/ft). Cross-sectional area: 9,852.035 mm². Moment of inertia Ix = 1,641.349 cm⁴, Iy = 1,641.349 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 28 mm | 1.10 in |
| Diameter (d) | 140 mm | 5.51 in |
| Weight | 77.3 kg/m | 51.97 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 9,852.03 mm² | 15.271 in² |
| Moment of inertia (Ix) | 1,641.35 cm⁴ | 39.43 in⁴ |
| Moment of inertia (Iy) | 1,641.35 cm⁴ | 39.43 in⁴ |
| Elastic section modulus (Sx) | 234.48 cm³ | 14.309 in³ |
| Elastic section modulus (Sy) | 234.48 cm³ | 14.309 in³ |
| Plastic section modulus (Zx) | 358.55 cm³ | 21.880 in³ |
| Plastic section modulus (Zy) | 358.55 cm³ | 21.880 in³ |
| Radius of gyration (rx) | 4.08 cm | 1.607 in |
| Radius of gyration (ry) | 4.08 cm | 1.607 in |
15.0 kN·m
15.0 kN
5.14 mm
L/1167