CHS 168x40 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 168x40 steel profile weighs 126.3 kg/m (84.85 lb/ft). Cross-sectional area: 16,084.954 mm². Moment of inertia Ix = 3,615.898 cm⁴, Iy = 3,615.898 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 40 mm | 1.57 in |
| Diameter (d) | 168 mm | 6.61 in |
| Weight | 126.3 kg/m | 84.85 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 16,084.95 mm² | 24.932 in² |
| Moment of inertia (Ix) | 3,615.9 cm⁴ | 86.87 in⁴ |
| Moment of inertia (Iy) | 3,615.9 cm⁴ | 86.87 in⁴ |
| Elastic section modulus (Sx) | 430.46 cm³ | 26.269 in³ |
| Elastic section modulus (Sy) | 430.46 cm³ | 26.269 in³ |
| Plastic section modulus (Zx) | 676.69 cm³ | 41.295 in³ |
| Plastic section modulus (Zy) | 676.69 cm³ | 41.295 in³ |
| Radius of gyration (rx) | 4.74 cm | 1.867 in |
| Radius of gyration (ry) | 4.74 cm | 1.867 in |
Beam Calculator— CHS 168x40
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 168x40
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
2.33 mm
L/2571
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
