BR — Cold-formed Lipped Channel
Cold-formed lipped channels (C shapes) are lightweight profiles commonly used as purlins, girts, and light framing members. The stiffening lips increase local buckling resistance. Designed per AISI S100 and NBR 14762.
The C 150x60x20x2.25 steel profile weighs 7.1 kg/m (4.75 lb/ft), has a depth of 150 mm (5.91 in), flange width 60 mm (2.36 in). Cross-sectional area: 677.3 mm². Moment of inertia Ix = 237.83 cm⁴, Iy = 34.5 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 150 mm | 5.91 in |
| Width (b) | 60 mm | 2.36 in |
| Thickness (t) | 2.3 mm | 0.09 in |
| Lip | 20 mm | 0.79 in |
| Weight | 7.1 kg/m | 4.75 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 677.3 mm² | 1.050 in² |
| Moment of inertia (Ix) | 237.83 cm⁴ | 5.71 in⁴ |
| Moment of inertia (Iy) | 34.5 cm⁴ | 0.83 in⁴ |
| Elastic section modulus (Sx) | 31.71 cm³ | 1.935 in³ |
| Elastic section modulus (Sy) | 8.28 cm³ | 0.505 in³ |
| Plastic section modulus (Zx) | 36.47 cm³ | 2.226 in³ |
| Plastic section modulus (Zy) | 9.93 cm³ | 0.606 in³ |
| Radius of gyration (rx) | 5.93 cm | 2.335 in |
| Radius of gyration (ry) | 2.26 cm | 0.890 in |
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15.0 kN·m
15.0 kN
35.48 mm
L/169