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 194x20 steel profile weighs 85.8 kg/m (57.67 lb/ft). Cross-sectional area: 10,932.742 mm². Moment of inertia Ix = 4,192.16 cm⁴, Iy = 4,192.16 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 20 mm | 0.79 in |
| Diameter (d) | 194 mm | 7.64 in |
| Weight | 85.8 kg/m | 57.67 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 10,932.74 mm² | 16.946 in² |
| Moment of inertia (Ix) | 4,192.16 cm⁴ | 100.72 in⁴ |
| Moment of inertia (Iy) | 4,192.16 cm⁴ | 100.72 in⁴ |
| Elastic section modulus (Sx) | 432.18 cm³ | 26.373 in³ |
| Elastic section modulus (Sy) | 432.18 cm³ | 26.373 in³ |
| Plastic section modulus (Zx) | 608.19 cm³ | 37.114 in³ |
| Plastic section modulus (Zy) | 608.19 cm³ | 37.114 in³ |
| Radius of gyration (rx) | 6.19 cm | 2.438 in |
| Radius of gyration (ry) | 6.19 cm | 2.438 in |
15.0 kN·m
15.0 kN
2.01 mm
L/2981