CHS 133x30 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 133x30 steel profile weighs 76.2 kg/m (51.21 lb/ft). Cross-sectional area: 9,707.521 mm². Moment of inertia Ix = 1,396.548 cm⁴, Iy = 1,396.548 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 30 mm | 1.18 in |
| Diameter (d) | 133 mm | 5.24 in |
| Weight | 76.2 kg/m | 51.21 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 9,707.52 mm² | 15.047 in² |
| Moment of inertia (Ix) | 1,396.55 cm⁴ | 33.55 in⁴ |
| Moment of inertia (Iy) | 1,396.55 cm⁴ | 33.55 in⁴ |
| Elastic section modulus (Sx) | 210.01 cm³ | 12.815 in³ |
| Elastic section modulus (Sy) | 210.01 cm³ | 12.815 in³ |
| Plastic section modulus (Zx) | 327.27 cm³ | 19.971 in³ |
| Plastic section modulus (Zy) | 327.27 cm³ | 19.971 in³ |
| Radius of gyration (rx) | 3.79 cm | 1.493 in |
| Radius of gyration (ry) | 3.79 cm | 1.493 in |
Beam Calculator— CHS 133x30
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 133x30
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
6.04 mm
L/993
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
