CHS 121x28 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 121x28 steel profile weighs 64.2 kg/m (43.16 lb/ft). Cross-sectional area: 8,180.707 mm². Moment of inertia Ix = 964.608 cm⁴, Iy = 964.608 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 28 mm | 1.10 in |
| Diameter (d) | 121 mm | 4.76 in |
| Weight | 64.2 kg/m | 43.16 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 8,180.71 mm² | 12.680 in² |
| Moment of inertia (Ix) | 964.61 cm⁴ | 23.17 in⁴ |
| Moment of inertia (Iy) | 964.61 cm⁴ | 23.17 in⁴ |
| Elastic section modulus (Sx) | 159.44 cm³ | 9.730 in³ |
| Elastic section modulus (Sy) | 159.44 cm³ | 9.730 in³ |
| Plastic section modulus (Zx) | 249.49 cm³ | 15.225 in³ |
| Plastic section modulus (Zy) | 249.49 cm³ | 15.225 in³ |
| Radius of gyration (rx) | 3.43 cm | 1.352 in |
| Radius of gyration (ry) | 3.43 cm | 1.352 in |
Beam Calculator— CHS 121x28
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 121x28
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
8.75 mm
L/686
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
