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 102x4 steel profile weighs 9.7 kg/m (6.50 lb/ft). Cross-sectional area: 1,231.504 mm². Moment of inertia Ix = 148.088 cm⁴, Iy = 148.088 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 4 mm | 0.16 in |
| Diameter (d) | 102 mm | 4.02 in |
| Weight | 9.7 kg/m | 6.50 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,231.5 mm² | 1.909 in² |
| Moment of inertia (Ix) | 148.09 cm⁴ | 3.56 in⁴ |
| Moment of inertia (Iy) | 148.09 cm⁴ | 3.56 in⁴ |
| Elastic section modulus (Sx) | 29.04 cm³ | 1.772 in³ |
| Elastic section modulus (Sy) | 29.04 cm³ | 1.772 in³ |
| Plastic section modulus (Zx) | 38.44 cm³ | 2.346 in³ |
| Plastic section modulus (Zy) | 38.44 cm³ | 2.346 in³ |
| Radius of gyration (rx) | 3.47 cm | 1.365 in |
| Radius of gyration (ry) | 3.47 cm | 1.365 in |
15.0 kN·m
15.0 kN
56.98 mm
L/105