Steel Section Catalog
RHS 50x20x2
BR — 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.
The RHS 50x20x2 steel profile weighs 2.0 kg/m (1.32 lb/ft), has a depth of 50 mm (1.97 in), flange width 20 mm (0.79 in). Cross-sectional area: 264 mm². Moment of inertia Ix = 7.86 cm⁴, Iy = 1.76 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 2 mm ≈ 14 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 50 mm | 1.97 in |
| Width (b) | 20 mm | 0.79 in |
| Thickness (t) | 2 mm | 0.08 in |
| Fillet radius (r) | 4 mm | 0.16 in |
| Weight | 2.0 kg/m | 1.32 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 264 mm² | 0.409 in² |
| Moment of inertia (Ix) | 7.86 cm⁴ | 0.19 in⁴ |
| Moment of inertia (Iy) | 1.76 cm⁴ | 0.04 in⁴ |
| Elastic section modulus (Sx) | 3.14 cm³ | 0.192 in³ |
| Elastic section modulus (Sy) | 1.76 cm³ | 0.107 in³ |
| Plastic section modulus (Zx) | 4.04 cm³ | 0.247 in³ |
| Plastic section modulus (Zy) | 2.06 cm³ | 0.126 in³ |
| Radius of gyration (rx) | 1.72 cm | 0.677 in |
| Radius of gyration (ry) | 0.82 cm | 0.323 in |
Beam Calculator— RHS 50x20x2
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mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 50x20x2
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
1073.47 mm
L/6
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
