Steel Section Catalog
U 290x80x3.05
BR — Cold-formed Channel
Cold-formed channels (U shapes) are similar to C shapes but without stiffening lips. Used for light structural framing, supports, and secondary members.
The U 290x80x3.05 steel profile weighs 15.8 kg/m (10.62 lb/ft), has a depth of 290 mm (11.42 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,344.6 mm². Moment of inertia Ix = 1,566.82 cm⁴, Iy = 68.46 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 3.05 mm ≈ 11 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 290 mm | 11.42 in |
| Width (b) | 80 mm | 3.15 in |
| Thickness (t) | 3.0 mm | 0.12 in |
| Weight | 15.8 kg/m | 10.62 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,344.6 mm² | 2.084 in² |
| Moment of inertia (Ix) | 1,566.82 cm⁴ | 37.64 in⁴ |
| Moment of inertia (Iy) | 68.46 cm⁴ | 1.64 in⁴ |
| Elastic section modulus (Sx) | 108.06 cm³ | 6.594 in³ |
| Elastic section modulus (Sy) | 10.28 cm³ | 0.627 in³ |
| Plastic section modulus (Zx) | 124.27 cm³ | 7.583 in³ |
| Plastic section modulus (Zy) | 12.34 cm³ | 0.753 in³ |
| Radius of gyration (rx) | 10.79 cm | 4.248 in |
| Radius of gyration (ry) | 2.26 cm | 0.890 in |
Beam Calculator— U 290x80x3.05
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mfixed @ 0mfixed @ 6m→kN/m
Results — U 290x80x3.05
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
5.39 mm
L/1114
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
