RHS 100x80x5 Tata Steel Hybox · Weight & Dimensions
Tata Steel Hybox · 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 100x80 cal 6 (México) · Caño estructural 100x80 (Argentina)
The RHS 100x80x5 steel profile weighs 12.8 kg/m (8.60 lb/ft), has a depth of 100 mm (3.94 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,635.619 mm². Moment of inertia Ix = 225.935 cm⁴, Iy = 159.609 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 5 mm ≈ 6 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 100 mm | 3.94 in |
| Width (b) | 80 mm | 3.15 in |
| Thickness (t) | 5 mm | 0.20 in |
| Fillet radius (r) | 10 mm | 0.39 in |
| Weight | 12.8 kg/m | 8.60 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,635.62 mm² | 2.535 in² |
| Moment of inertia (Ix) | 225.94 cm⁴ | 5.43 in⁴ |
| Moment of inertia (Iy) | 159.61 cm⁴ | 3.83 in⁴ |
| Elastic section modulus (Sx) | 45.19 cm³ | 2.757 in³ |
| Elastic section modulus (Sy) | 39.9 cm³ | 2.435 in³ |
| Plastic section modulus (Zx) | 55.09 cm³ | 3.362 in³ |
| Plastic section modulus (Zy) | 47.24 cm³ | 2.882 in³ |
| Radius of gyration (rx) | 3.72 cm | 1.463 in |
| Radius of gyration (ry) | 3.12 cm | 1.230 in |
Beam Calculator— RHS 100x80x5
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 100x80x5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
37.34 mm
L/161
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
