RHS 120x100x5.2 Açotubo · Weight & Dimensions
Açotubo, cold-formed sections · Rectangular Hollow Section
Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.
Also known as: PTR 120x100 (México) · Caño estructural 120x100 (Argentina)
The RHS 120x100x5.2 steel profile weighs 16.6 kg/m (11.14 lb/ft), has a depth of 120 mm (4.72 in), flange width 100 mm (3.94 in). Cross-sectional area: 2,110.206 mm². Moment of inertia Ix = 432.748 cm⁴, Iy = 326.301 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 5.2 mm ≈ 6 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 120 mm | 4.72 in |
| Width (b) | 100 mm | 3.94 in |
| Thickness (t) | 5.2 mm | 0.20 in |
| Fillet radius (r) | 10.4 mm | 0.41 in |
| Weight | 16.6 kg/m | 11.14 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,110.21 mm² | 3.271 in² |
| Moment of inertia (Ix) | 432.75 cm⁴ | 10.40 in⁴ |
| Moment of inertia (Iy) | 326.3 cm⁴ | 7.84 in⁴ |
| Elastic section modulus (Sx) | 72.12 cm³ | 4.401 in³ |
| Elastic section modulus (Sy) | 65.26 cm³ | 3.982 in³ |
| Plastic section modulus (Zx) | 86.82 cm³ | 5.298 in³ |
| Plastic section modulus (Zy) | 76.61 cm³ | 4.675 in³ |
| Radius of gyration (rx) | 4.53 cm | 1.783 in |
| Radius of gyration (ry) | 3.93 cm | 1.548 in |
Beam Calculator— RHS 120x100x5.2
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 120x100x5.2
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
19.50 mm
L/308
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
