Steel Section Catalog
CHS 139.7x6.3 · Weight & Dimensions
EN — 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 139.7x6.3 steel profile weighs 20.7 kg/m (13.91 lb/ft). Cross-sectional area: 2,640.3 mm². Moment of inertia Ix = 588.62 cm⁴, Iy = 588.62 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 6.3 mm | 0.25 in |
| Diameter (d) | 139.7 mm | 5.50 in |
| Weight | 20.7 kg/m | 13.91 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,640.3 mm² | 4.092 in² |
| Moment of inertia (Ix) | 588.62 cm⁴ | 14.14 in⁴ |
| Moment of inertia (Iy) | 588.62 cm⁴ | 14.14 in⁴ |
| Elastic section modulus (Sx) | 84.27 cm³ | 5.142 in³ |
| Elastic section modulus (Sy) | 84.27 cm³ | 5.142 in³ |
| Plastic section modulus (Zx) | 112.2 cm³ | 6.847 in³ |
| Plastic section modulus (Zy) | 112.2 cm³ | 6.847 in³ |
| Radius of gyration (rx) | 4.72 cm | 1.858 in |
| Radius of gyration (ry) | 4.72 cm | 1.858 in |
Beam Calculator— CHS 139.7x6.3
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 139.7x6.3
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
14.33 mm
L/419
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
