Steel Section Catalog
RHS 25x38x1.0
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 25x38x1.0 steel profile weighs 1.0 kg/m (0.64 lb/ft), has a depth of 25 mm (0.98 in), flange width 38 mm (1.50 in). Cross-sectional area: 122 mm². Moment of inertia Ix = 1.3 cm⁴, Iy = 2.49 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 1 mm ≈ 18 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 25 mm | 0.98 in |
| Width (b) | 38 mm | 1.50 in |
| Thickness (t) | 1 mm | 0.04 in |
| Fillet radius (r) | 1.5 mm | 0.06 in |
| Weight | 1.0 kg/m | 0.64 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 122 mm² | 0.189 in² |
| Moment of inertia (Ix) | 1.3 cm⁴ | 0.03 in⁴ |
| Moment of inertia (Iy) | 2.49 cm⁴ | 0.06 in⁴ |
| Elastic section modulus (Sx) | 1.04 cm³ | 0.063 in³ |
| Elastic section modulus (Sy) | 1.31 cm³ | 0.080 in³ |
| Plastic section modulus (Zx) | 1.18 cm³ | 0.072 in³ |
| Plastic section modulus (Zy) | 1.57 cm³ | 0.096 in³ |
| Radius of gyration (rx) | 1.03 cm | 0.406 in |
| Radius of gyration (ry) | 1.43 cm | 0.563 in |
Beam Calculator— RHS 25x38x1.0
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mfixed @ 0mfixed @ 6m→kN/m
Results — RHS 25x38x1.0
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
6490.38 mm
L/1
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
