Steel Section Catalog
U 250x100x2.25
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 250x100x2.25 (UK / Australia)
The U 250x100x2.25 steel profile weighs 7.8 kg/m (5.24 lb/ft), has a depth of 250 mm (9.84 in), flange width 100 mm (3.94 in). Cross-sectional area: 997.3 mm². Moment of inertia Ix = 960.14 cm⁴, Iy = 93.78 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 2.25 mm ≈ 13 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 250 mm | 9.84 in |
| Width (b) | 100 mm | 3.94 in |
| Thickness (t) | 2.3 mm | 0.09 in |
| Weight | 7.8 kg/m | 5.24 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 997.3 mm² | 1.546 in² |
| Moment of inertia (Ix) | 960.14 cm⁴ | 23.07 in⁴ |
| Moment of inertia (Iy) | 93.78 cm⁴ | 2.25 in⁴ |
| Elastic section modulus (Sx) | 76.81 cm³ | 4.687 in³ |
| Elastic section modulus (Sy) | 11.96 cm³ | 0.730 in³ |
| Plastic section modulus (Zx) | 88.33 cm³ | 5.390 in³ |
| Plastic section modulus (Zy) | 14.35 cm³ | 0.876 in³ |
| Radius of gyration (rx) | 9.81 cm | 3.862 in |
| Radius of gyration (ry) | 3.07 cm | 1.209 in |
Beam Calculator— U 250x100x2.25
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mfixed @ 0mfixed @ 6m→kN/m
Results — U 250x100x2.25
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
8.79 mm
L/683
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
