CHS 83x18 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 83x18 steel profile weighs 28.9 kg/m (19.39 lb/ft). Cross-sectional area: 3,675.663 mm². Moment of inertia Ix = 209.007 cm⁴, Iy = 209.007 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 18 mm | 0.71 in |
| Diameter (d) | 83 mm | 3.27 in |
| Weight | 28.9 kg/m | 19.39 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,675.66 mm² | 5.697 in² |
| Moment of inertia (Ix) | 209.01 cm⁴ | 5.02 in⁴ |
| Moment of inertia (Iy) | 209.01 cm⁴ | 5.02 in⁴ |
| Elastic section modulus (Sx) | 50.36 cm³ | 3.073 in³ |
| Elastic section modulus (Sy) | 50.36 cm³ | 3.073 in³ |
| Plastic section modulus (Zx) | 77.99 cm³ | 4.760 in³ |
| Plastic section modulus (Zy) | 77.99 cm³ | 4.760 in³ |
| Radius of gyration (rx) | 2.38 cm | 0.939 in |
| Radius of gyration (ry) | 2.38 cm | 0.939 in |
Beam Calculator— CHS 83x18
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 83x18
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
40.37 mm
L/149
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
