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 168x36 steel profile weighs 117.2 kg/m (78.75 lb/ft). Cross-sectional area: 14,928.848 mm². Moment of inertia Ix = 3,493.35 cm⁴, Iy = 3,493.35 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 36 mm | 1.42 in |
| Diameter (d) | 168 mm | 6.61 in |
| Weight | 117.2 kg/m | 78.75 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 14,928.85 mm² | 23.140 in² |
| Moment of inertia (Ix) | 3,493.35 cm⁴ | 83.93 in⁴ |
| Moment of inertia (Iy) | 3,493.35 cm⁴ | 83.93 in⁴ |
| Elastic section modulus (Sx) | 415.88 cm³ | 25.378 in³ |
| Elastic section modulus (Sy) | 415.88 cm³ | 25.378 in³ |
| Plastic section modulus (Zx) | 642.82 cm³ | 39.227 in³ |
| Plastic section modulus (Zy) | 642.82 cm³ | 39.227 in³ |
| Radius of gyration (rx) | 4.84 cm | 1.904 in |
| Radius of gyration (ry) | 4.84 cm | 1.904 in |
15.0 kN·m
15.0 kN
2.42 mm
L/2484