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 141.3x9.53 steel profile weighs 31.0 kg/m (20.81 lb/ft). Cross-sectional area: 3,945.112 mm². Moment of inertia Ix = 860.732 cm⁴, Iy = 860.732 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 9.5 mm | 0.38 in |
| Diameter (d) | 141.3 mm | 5.56 in |
| Weight | 31.0 kg/m | 20.81 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,945.11 mm² | 6.115 in² |
| Moment of inertia (Ix) | 860.73 cm⁴ | 20.68 in⁴ |
| Moment of inertia (Iy) | 860.73 cm⁴ | 20.68 in⁴ |
| Elastic section modulus (Sx) | 121.83 cm³ | 7.435 in³ |
| Elastic section modulus (Sy) | 121.83 cm³ | 7.435 in³ |
| Plastic section modulus (Zx) | 165.76 cm³ | 10.115 in³ |
| Plastic section modulus (Zy) | 165.76 cm³ | 10.115 in³ |
| Radius of gyration (rx) | 4.67 cm | 1.839 in |
| Radius of gyration (ry) | 4.67 cm | 1.839 in |
15.0 kN·m
15.0 kN
9.80 mm
L/612