CHS 406.4x12.7 CISC · Weight & Dimensions
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.
Also known as: Caño estructural redondo (Argentina)
The CHS 406.4x12.7 steel profile weighs 123.3 kg/m (82.86 lb/ft). Cross-sectional area: 15,707.932 mm². Moment of inertia Ix = 30,465.726 cm⁴, Iy = 30,465.726 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 12.7 mm | 0.50 in |
| Diameter (d) | 406.4 mm | 16.00 in |
| Weight | 123.3 kg/m | 82.86 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 15,707.93 mm² | 24.347 in² |
| Moment of inertia (Ix) | 30,465.73 cm⁴ | 731.94 in⁴ |
| Moment of inertia (Iy) | 30,465.73 cm⁴ | 731.94 in⁴ |
| Elastic section modulus (Sx) | 1,499.3 cm³ | 91.493 in³ |
| Elastic section modulus (Sy) | 1,499.3 cm³ | 91.493 in³ |
| Plastic section modulus (Zx) | 1,969.18 cm³ | 120.167 in³ |
| Plastic section modulus (Zy) | 1,969.18 cm³ | 120.167 in³ |
| Radius of gyration (rx) | 13.93 cm | 5.483 in |
| Radius of gyration (ry) | 13.93 cm | 5.483 in |
Beam Calculator— CHS 406.4x12.7
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 406.4x12.7
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.28 mm
L/21665
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
