AHMSA, 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 102x8.1 steel profile weighs 18.8 kg/m (12.61 lb/ft). Cross-sectional area: 2,389.464 mm². Moment of inertia Ix = 265.315 cm⁴, Iy = 265.315 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 8.1 mm | 0.32 in |
| Diameter (d) | 102 mm | 4.02 in |
| Weight | 18.8 kg/m | 12.61 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,389.46 mm² | 3.704 in² |
| Moment of inertia (Ix) | 265.31 cm⁴ | 6.37 in⁴ |
| Moment of inertia (Iy) | 265.31 cm⁴ | 6.37 in⁴ |
| Elastic section modulus (Sx) | 52.02 cm³ | 3.175 in³ |
| Elastic section modulus (Sy) | 52.02 cm³ | 3.175 in³ |
| Plastic section modulus (Zx) | 71.6 cm³ | 4.369 in³ |
| Plastic section modulus (Zy) | 71.6 cm³ | 4.369 in³ |
| Radius of gyration (rx) | 3.33 cm | 1.312 in |
| Radius of gyration (ry) | 3.33 cm | 1.312 in |
15.0 kN·m
15.0 kN
31.80 mm
L/189