CHS 273x7.8 AHMSA · Weight & Dimensions
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.
Also known as: Caño estructural redondo (Argentina)
The CHS 273x7.8 steel profile weighs 51.0 kg/m (34.28 lb/ft). Cross-sectional area: 6,498.573 mm². Moment of inertia Ix = 5,718.085 cm⁴, Iy = 5,718.085 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 7.8 mm | 0.31 in |
| Diameter (d) | 273 mm | 10.75 in |
| Weight | 51.0 kg/m | 34.28 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 6,498.57 mm² | 10.073 in² |
| Moment of inertia (Ix) | 5,718.08 cm⁴ | 137.38 in⁴ |
| Moment of inertia (Iy) | 5,718.08 cm⁴ | 137.38 in⁴ |
| Elastic section modulus (Sx) | 418.91 cm³ | 25.563 in³ |
| Elastic section modulus (Sy) | 418.91 cm³ | 25.563 in³ |
| Plastic section modulus (Zx) | 548.74 cm³ | 33.486 in³ |
| Plastic section modulus (Zy) | 548.74 cm³ | 33.486 in³ |
| Radius of gyration (rx) | 9.38 cm | 3.693 in |
| Radius of gyration (ry) | 9.38 cm | 3.693 in |
Beam Calculator— CHS 273x7.8
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 273x7.8
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
1.48 mm
L/4066
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
