Steel Section Catalog
HSS 508x305x9.5
AISC — 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 HSS 508x305x9.5 steel profile weighs 104.0 kg/m (69.89 lb/ft), has a depth of 508 mm (20.00 in), flange width 304.8 mm (12.00 in). Cross-sectional area: 13,995.5 mm². Moment of inertia Ix = 50,721.74 cm⁴, Iy = 23,064.14 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 508 mm | 20.00 in |
| Width (b) | 304.8 mm | 12.00 in |
| Thickness (t) | 8.8 mm | 0.35 in |
| Fillet radius (r) | 17.6 mm | 0.69 in |
| Weight | 104.0 kg/m | 69.89 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 13,995.5 mm² | 21.693 in² |
| Moment of inertia (Ix) | 50,721.74 cm⁴ | 1218.59 in⁴ |
| Moment of inertia (Iy) | 23,064.14 cm⁴ | 554.12 in⁴ |
| Elastic section modulus (Sx) | 1,996.92 cm³ | 121.860 in³ |
| Elastic section modulus (Sy) | 1,513.39 cm³ | 92.353 in³ |
| Plastic section modulus (Zx) | 2,397.14 cm³ | 146.283 in³ |
| Plastic section modulus (Zy) | 1,686.17 cm³ | 102.897 in³ |
| Radius of gyration (rx) | 19.04 cm | 7.496 in |
| Radius of gyration (ry) | 12.84 cm | 5.055 in |
Beam Calculator— HSS 508x305x9.5
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mfixed @ 0mfixed @ 6m→kN/m
Results — HSS 508x305x9.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.17 mm
L/36069
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
