CHS 406x12.7 IMCA · Weight & Dimensions
IMCA, 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 406x12.7 steel profile weighs 123.2 kg/m (82.78 lb/ft). Cross-sectional area: 15,691.973 mm². Moment of inertia Ix = 30,373.025 cm⁴, Iy = 30,373.025 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 12.7 mm | 0.50 in |
| Diameter (d) | 406 mm | 15.98 in |
| Weight | 123.2 kg/m | 82.78 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 15,691.97 mm² | 24.323 in² |
| Moment of inertia (Ix) | 30,373.03 cm⁴ | 729.71 in⁴ |
| Moment of inertia (Iy) | 30,373.03 cm⁴ | 729.71 in⁴ |
| Elastic section modulus (Sx) | 1,496.21 cm³ | 91.305 in³ |
| Elastic section modulus (Sy) | 1,496.21 cm³ | 91.305 in³ |
| Plastic section modulus (Zx) | 1,965.18 cm³ | 119.923 in³ |
| Plastic section modulus (Zy) | 1,965.18 cm³ | 119.923 in³ |
| Radius of gyration (rx) | 13.91 cm | 5.477 in |
| Radius of gyration (ry) | 13.91 cm | 5.477 in |
Beam Calculator— CHS 406x12.7
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 406x12.7
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.28 mm
L/21599
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
