CISC, 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 219.1x12.7 steel profile weighs 64.6 kg/m (43.44 lb/ft). Cross-sectional area: 8,234.994 mm². Moment of inertia Ix = 4,401.836 cm⁴, Iy = 4,401.836 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 12.7 mm | 0.50 in |
| Diameter (d) | 219.1 mm | 8.63 in |
| Weight | 64.6 kg/m | 43.44 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 8,234.99 mm² | 12.764 in² |
| Moment of inertia (Ix) | 4,401.84 cm⁴ | 105.75 in⁴ |
| Moment of inertia (Iy) | 4,401.84 cm⁴ | 105.75 in⁴ |
| Elastic section modulus (Sx) | 401.81 cm³ | 24.520 in³ |
| Elastic section modulus (Sy) | 401.81 cm³ | 24.520 in³ |
| Plastic section modulus (Zx) | 541.71 cm³ | 33.058 in³ |
| Plastic section modulus (Zy) | 541.71 cm³ | 33.058 in³ |
| Radius of gyration (rx) | 7.31 cm | 2.878 in |
| Radius of gyration (ry) | 7.31 cm | 2.878 in |
15.0 kN·m
15.0 kN
1.92 mm
L/3130