Steel Section Catalog
CHS 139.7x8
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.
The CHS 139.7x8 steel profile weighs 26.0 kg/m (17.47 lb/ft). Cross-sectional area: 3,310 mm². Moment of inertia Ix = 720.29 cm⁴, Iy = 720.29 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 8 mm | 0.31 in |
| Diameter (d) | 139.7 mm | 5.50 in |
| Weight | 26.0 kg/m | 17.47 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,310 mm² | 5.130 in² |
| Moment of inertia (Ix) | 720.29 cm⁴ | 17.30 in⁴ |
| Moment of inertia (Iy) | 720.29 cm⁴ | 17.30 in⁴ |
| Elastic section modulus (Sx) | 103.12 cm³ | 6.293 in³ |
| Elastic section modulus (Sy) | 103.12 cm³ | 6.293 in³ |
| Plastic section modulus (Zx) | 138.93 cm³ | 8.478 in³ |
| Plastic section modulus (Zy) | 138.93 cm³ | 8.478 in³ |
| Radius of gyration (rx) | 4.66 cm | 1.835 in |
| Radius of gyration (ry) | 4.66 cm | 1.835 in |
Beam Calculator— CHS 139.7x8
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mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 139.7x8
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
11.71 mm
L/512
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
