Steel Section Catalog
RHS 25x50x1.5
EN — 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 25x50x1.5 steel profile weighs 1.7 kg/m (1.14 lb/ft), has a depth of 25 mm (0.98 in), flange width 50 mm (1.97 in). Cross-sectional area: 216 mm². Moment of inertia Ix = 2.34 cm⁴, Iy = 7.01 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 1.5 mm ≈ 16 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 25 mm | 0.98 in |
| Width (b) | 50 mm | 1.97 in |
| Thickness (t) | 1.5 mm | 0.06 in |
| Fillet radius (r) | 2.3 mm | 0.09 in |
| Weight | 1.7 kg/m | 1.14 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 216 mm² | 0.335 in² |
| Moment of inertia (Ix) | 2.34 cm⁴ | 0.06 in⁴ |
| Moment of inertia (Iy) | 7.01 cm⁴ | 0.17 in⁴ |
| Elastic section modulus (Sx) | 1.87 cm³ | 0.114 in³ |
| Elastic section modulus (Sy) | 2.8 cm³ | 0.171 in³ |
| Plastic section modulus (Zx) | 2.13 cm³ | 0.130 in³ |
| Plastic section modulus (Zy) | 3.48 cm³ | 0.212 in³ |
| Radius of gyration (rx) | 1.04 cm | 0.409 in |
| Radius of gyration (ry) | 1.8 cm | 0.709 in |
Beam Calculator— RHS 25x50x1.5
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mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 25x50x1.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
3605.77 mm
L/2
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
