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 121x14 steel profile weighs 36.9 kg/m (24.82 lb/ft). Cross-sectional area: 4,706.106 mm². Moment of inertia Ix = 685.033 cm⁴, Iy = 685.033 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 14 mm | 0.55 in |
| Diameter (d) | 121 mm | 4.76 in |
| Weight | 36.9 kg/m | 24.82 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 4,706.11 mm² | 7.294 in² |
| Moment of inertia (Ix) | 685.03 cm⁴ | 16.46 in⁴ |
| Moment of inertia (Iy) | 685.03 cm⁴ | 16.46 in⁴ |
| Elastic section modulus (Sx) | 113.23 cm³ | 6.910 in³ |
| Elastic section modulus (Sy) | 113.23 cm³ | 6.910 in³ |
| Plastic section modulus (Zx) | 161.2 cm³ | 9.837 in³ |
| Plastic section modulus (Zy) | 161.2 cm³ | 9.837 in³ |
| Radius of gyration (rx) | 3.82 cm | 1.502 in |
| Radius of gyration (ry) | 3.82 cm | 1.502 in |
15.0 kN·m
15.0 kN
12.32 mm
L/487