CHS 88.9x2.25 Gerdau · Weight & Dimensions
Gerdau, tubes · 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 88.9x2.25 steel profile weighs 4.8 kg/m (3.23 lb/ft). Cross-sectional area: 612.493 mm². Moment of inertia Ix = 57.523 cm⁴, Iy = 57.523 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 2.25 mm ≈ 13 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 2.3 mm | 0.09 in |
| Diameter (d) | 88.9 mm | 3.50 in |
| Weight | 4.8 kg/m | 3.23 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 612.49 mm² | 0.949 in² |
| Moment of inertia (Ix) | 57.52 cm⁴ | 1.38 in⁴ |
| Moment of inertia (Iy) | 57.52 cm⁴ | 1.38 in⁴ |
| Elastic section modulus (Sx) | 12.94 cm³ | 0.790 in³ |
| Elastic section modulus (Sy) | 12.94 cm³ | 0.790 in³ |
| Plastic section modulus (Zx) | 16.9 cm³ | 1.031 in³ |
| Plastic section modulus (Zy) | 16.9 cm³ | 1.031 in³ |
| Radius of gyration (rx) | 3.06 cm | 1.207 in |
| Radius of gyration (ry) | 3.06 cm | 1.207 in |
Beam Calculator— CHS 88.9x2.25
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 88.9x2.25
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
146.68 mm
L/41
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
