Steel Section Catalog
U 127x50x2.25
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.
The U 127x50x2.25 steel profile weighs 5.4 kg/m (3.61 lb/ft), has a depth of 127 mm (5.00 in), flange width 50 mm (1.97 in). Cross-sectional area: 495.6 mm². Moment of inertia Ix = 120.01 cm⁴, Iy = 11.03 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 2.25 mm ≈ 13 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 127 mm | 5.00 in |
| Width (b) | 50 mm | 1.97 in |
| Thickness (t) | 2.3 mm | 0.09 in |
| Weight | 5.4 kg/m | 3.61 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 495.6 mm² | 0.768 in² |
| Moment of inertia (Ix) | 120.01 cm⁴ | 2.88 in⁴ |
| Moment of inertia (Iy) | 11.03 cm⁴ | 0.26 in⁴ |
| Elastic section modulus (Sx) | 18.9 cm³ | 1.153 in³ |
| Elastic section modulus (Sy) | 2.78 cm³ | 0.170 in³ |
| Plastic section modulus (Zx) | 21.73 cm³ | 1.326 in³ |
| Plastic section modulus (Zy) | 3.34 cm³ | 0.204 in³ |
| Radius of gyration (rx) | 4.92 cm | 1.937 in |
| Radius of gyration (ry) | 1.49 cm | 0.587 in |
Beam Calculator— U 127x50x2.25
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mfixed @ 0mfixed @ 6m→kN/m
Results — U 127x50x2.25
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
70.31 mm
L/85
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
