Steel Section Catalog
U 250x70x2.66
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.
The U 250x70x2.66 steel profile weighs 11.9 kg/m (8.00 lb/ft), has a depth of 250 mm (9.84 in), flange width 70 mm (2.76 in). Cross-sectional area: 1,016.2 mm². Moment of inertia Ix = 883.35 cm⁴, Iy = 39.87 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) | 70 mm | 2.76 in |
| Thickness (t) | 2.7 mm | 0.10 in |
| Weight | 11.9 kg/m | 8.00 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,016.2 mm² | 1.575 in² |
| Moment of inertia (Ix) | 883.35 cm⁴ | 21.22 in⁴ |
| Moment of inertia (Iy) | 39.87 cm⁴ | 0.96 in⁴ |
| Elastic section modulus (Sx) | 70.67 cm³ | 4.313 in³ |
| Elastic section modulus (Sy) | 6.86 cm³ | 0.419 in³ |
| Plastic section modulus (Zx) | 81.27 cm³ | 4.959 in³ |
| Plastic section modulus (Zy) | 8.23 cm³ | 0.502 in³ |
| Radius of gyration (rx) | 9.32 cm | 3.669 in |
| Radius of gyration (ry) | 1.98 cm | 0.780 in |
Beam Calculator— U 250x70x2.66
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mfixed @ 0mfixed @ 6m→kN/m
Results — U 250x70x2.66
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
9.55 mm
L/628
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
