CHS 121x10 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 121x10 steel profile weighs 27.4 kg/m (18.39 lb/ft). Cross-sectional area: 3,487.168 mm². Moment of inertia Ix = 541.426 cm⁴, Iy = 541.426 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 10 mm | 0.39 in |
| Diameter (d) | 121 mm | 4.76 in |
| Weight | 27.4 kg/m | 18.39 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,487.17 mm² | 5.405 in² |
| Moment of inertia (Ix) | 541.43 cm⁴ | 13.01 in⁴ |
| Moment of inertia (Iy) | 541.43 cm⁴ | 13.01 in⁴ |
| Elastic section modulus (Sx) | 89.49 cm³ | 5.461 in³ |
| Elastic section modulus (Sy) | 89.49 cm³ | 5.461 in³ |
| Plastic section modulus (Zx) | 123.54 cm³ | 7.539 in³ |
| Plastic section modulus (Zy) | 123.54 cm³ | 7.539 in³ |
| Radius of gyration (rx) | 3.94 cm | 1.551 in |
| Radius of gyration (ry) | 3.94 cm | 1.551 in |
Beam Calculator— CHS 121x10
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 121x10
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
15.58 mm
L/385
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
