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 121x22 steel profile weighs 53.7 kg/m (36.09 lb/ft). Cross-sectional area: 6,842.389 mm². Moment of inertia Ix = 879.675 cm⁴, Iy = 879.675 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 22 mm | 0.87 in |
| Diameter (d) | 121 mm | 4.76 in |
| Weight | 53.7 kg/m | 36.09 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 6,842.39 mm² | 10.606 in² |
| Moment of inertia (Ix) | 879.67 cm⁴ | 21.13 in⁴ |
| Moment of inertia (Iy) | 879.67 cm⁴ | 21.13 in⁴ |
| Elastic section modulus (Sx) | 145.4 cm³ | 8.873 in³ |
| Elastic section modulus (Sy) | 145.4 cm³ | 8.873 in³ |
| Plastic section modulus (Zx) | 219.17 cm³ | 13.375 in³ |
| Plastic section modulus (Zy) | 219.17 cm³ | 13.375 in³ |
| Radius of gyration (rx) | 3.59 cm | 1.412 in |
| Radius of gyration (ry) | 3.59 cm | 1.412 in |
15.0 kN·m
15.0 kN
9.59 mm
L/626