CHS 180x30 GOST · Weight & Dimensions
GOST, 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 180x30 steel profile weighs 111.0 kg/m (74.58 lb/ft). Cross-sectional area: 14,137.167 mm². Moment of inertia Ix = 4,135.121 cm⁴, Iy = 4,135.121 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 30 mm | 1.18 in |
| Diameter (d) | 180 mm | 7.09 in |
| Weight | 111.0 kg/m | 74.58 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 14,137.17 mm² | 21.913 in² |
| Moment of inertia (Ix) | 4,135.12 cm⁴ | 99.35 in⁴ |
| Moment of inertia (Iy) | 4,135.12 cm⁴ | 99.35 in⁴ |
| Elastic section modulus (Sx) | 459.46 cm³ | 28.038 in³ |
| Elastic section modulus (Sy) | 459.46 cm³ | 28.038 in³ |
| Plastic section modulus (Zx) | 684 cm³ | 41.740 in³ |
| Plastic section modulus (Zy) | 684 cm³ | 41.740 in³ |
| Radius of gyration (rx) | 5.41 cm | 2.129 in |
| Radius of gyration (ry) | 5.41 cm | 2.129 in |
Beam Calculator— CHS 180x30
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 180x30
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
2.04 mm
L/2941
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
