CHS 139.7x4.5 SAISC · Weight & Dimensions
SAISC, 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 139.7x4.5 steel profile weighs 15.0 kg/m (10.08 lb/ft). Cross-sectional area: 1,911.345 mm². Moment of inertia Ix = 437.203 cm⁴, Iy = 437.203 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 4.5 mm ≈ 7 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 4.5 mm | 0.18 in |
| Diameter (d) | 139.7 mm | 5.50 in |
| Weight | 15.0 kg/m | 10.08 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,911.34 mm² | 2.963 in² |
| Moment of inertia (Ix) | 437.2 cm⁴ | 10.50 in⁴ |
| Moment of inertia (Iy) | 437.2 cm⁴ | 10.50 in⁴ |
| Elastic section modulus (Sx) | 62.59 cm³ | 3.820 in³ |
| Elastic section modulus (Sy) | 62.59 cm³ | 3.820 in³ |
| Plastic section modulus (Zx) | 82.29 cm³ | 5.021 in³ |
| Plastic section modulus (Zy) | 82.29 cm³ | 5.021 in³ |
| Radius of gyration (rx) | 4.78 cm | 1.883 in |
| Radius of gyration (ry) | 4.78 cm | 1.883 in |
Beam Calculator— CHS 139.7x4.5
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 139.7x4.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
19.30 mm
L/311
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
