CHS 89x11.1 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 89x11.1 steel profile weighs 21.3 kg/m (14.33 lb/ft). Cross-sectional area: 2,716.504 mm². Moment of inertia Ix = 210.244 cm⁴, Iy = 210.244 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 11.1 mm | 0.44 in |
| Diameter (d) | 89 mm | 3.50 in |
| Weight | 21.3 kg/m | 14.33 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,716.5 mm² | 4.211 in² |
| Moment of inertia (Ix) | 210.24 cm⁴ | 5.05 in⁴ |
| Moment of inertia (Iy) | 210.24 cm⁴ | 5.05 in⁴ |
| Elastic section modulus (Sx) | 47.25 cm³ | 2.883 in³ |
| Elastic section modulus (Sy) | 47.25 cm³ | 2.883 in³ |
| Plastic section modulus (Zx) | 67.82 cm³ | 4.138 in³ |
| Plastic section modulus (Zy) | 67.82 cm³ | 4.138 in³ |
| Radius of gyration (rx) | 2.78 cm | 1.095 in |
| Radius of gyration (ry) | 2.78 cm | 1.095 in |
Beam Calculator— CHS 89x11.1
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 89x11.1
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
40.13 mm
L/150
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
