Steel Section Catalog
U 250x100x2.66
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.
Also known as: U 250x100x2.66 (UK / Australia)
The U 250x100x2.66 steel profile weighs 9.2 kg/m (6.18 lb/ft), has a depth of 250 mm (9.84 in), flange width 100 mm (3.94 in). Cross-sectional area: 1,175.8 mm². Moment of inertia Ix = 1,127.46 cm⁴, Iy = 109.57 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 2.66 mm ≈ 12 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 250 mm | 9.84 in |
| Width (b) | 100 mm | 3.94 in |
| Thickness (t) | 2.7 mm | 0.10 in |
| Weight | 9.2 kg/m | 6.18 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,175.8 mm² | 1.822 in² |
| Moment of inertia (Ix) | 1,127.46 cm⁴ | 27.09 in⁴ |
| Moment of inertia (Iy) | 109.57 cm⁴ | 2.63 in⁴ |
| Elastic section modulus (Sx) | 90.2 cm³ | 5.504 in³ |
| Elastic section modulus (Sy) | 13.95 cm³ | 0.851 in³ |
| Plastic section modulus (Zx) | 103.73 cm³ | 6.330 in³ |
| Plastic section modulus (Zy) | 16.74 cm³ | 1.022 in³ |
| Radius of gyration (rx) | 9.79 cm | 3.854 in |
| Radius of gyration (ry) | 3.05 cm | 1.201 in |
Beam Calculator— U 250x100x2.66
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mfixed @ 0mfixed @ 6m→kN/m
Results — U 250x100x2.66
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
7.48 mm
L/802
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
