RHS 140x80x4.8 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 140x80 cal 6 (México) · Caño estructural 140x80 (Argentina)
The RHS 140x80x4.8 steel profile weighs 15.4 kg/m (10.34 lb/ft), has a depth of 140 mm (5.51 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,960.507 mm². Moment of inertia Ix = 500.176 cm⁴, Iy = 209.123 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 140 mm | 5.51 in |
| Width (b) | 80 mm | 3.15 in |
| Thickness (t) | 4.8 mm | 0.19 in |
| Fillet radius (r) | 9.6 mm | 0.38 in |
| Weight | 15.4 kg/m | 10.34 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,960.51 mm² | 3.039 in² |
| Moment of inertia (Ix) | 500.18 cm⁴ | 12.02 in⁴ |
| Moment of inertia (Iy) | 209.12 cm⁴ | 5.02 in⁴ |
| Elastic section modulus (Sx) | 71.45 cm³ | 4.360 in³ |
| Elastic section modulus (Sy) | 52.28 cm³ | 3.190 in³ |
| Plastic section modulus (Zx) | 88.63 cm³ | 5.408 in³ |
| Plastic section modulus (Zy) | 60.11 cm³ | 3.668 in³ |
| Radius of gyration (rx) | 5.05 cm | 1.989 in |
| Radius of gyration (ry) | 3.27 cm | 1.286 in |
Beam Calculator— RHS 140x80x4.8
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 140x80x4.8
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
16.87 mm
L/356
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
