RHS 140x90x7.1 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 140x90 (México) · Caño estructural 140x90 (Argentina)
The RHS 140x90x7.1 steel profile weighs 23.0 kg/m (15.48 lb/ft), has a depth of 140 mm (5.51 in), flange width 90 mm (3.54 in). Cross-sectional area: 2,934.543 mm². Moment of inertia Ix = 739.288 cm⁴, Iy = 369.238 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 140 mm | 5.51 in |
| Width (b) | 90 mm | 3.54 in |
| Thickness (t) | 7.1 mm | 0.28 in |
| Fillet radius (r) | 14.2 mm | 0.56 in |
| Weight | 23.0 kg/m | 15.48 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,934.54 mm² | 4.549 in² |
| Moment of inertia (Ix) | 739.29 cm⁴ | 17.76 in⁴ |
| Moment of inertia (Iy) | 369.24 cm⁴ | 8.87 in⁴ |
| Elastic section modulus (Sx) | 105.61 cm³ | 6.445 in³ |
| Elastic section modulus (Sy) | 82.05 cm³ | 5.007 in³ |
| Plastic section modulus (Zx) | 132.19 cm³ | 8.067 in³ |
| Plastic section modulus (Zy) | 97.13 cm³ | 5.927 in³ |
| Radius of gyration (rx) | 5.02 cm | 1.976 in |
| Radius of gyration (ry) | 3.55 cm | 1.397 in |
Beam Calculator— RHS 140x90x7.1
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 140x90x7.1
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
11.41 mm
L/526
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
