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 150x60x20x4.25 steel profile weighs 13.3 kg/m (8.97 lb/ft), has a depth of 150 mm (5.91 in), flange width 60 mm (2.36 in). Cross-sectional area: 1,245.3 mm². Moment of inertia Ix = 423.91 cm⁴, Iy = 58.69 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 150 mm | 5.91 in |
| Width (b) | 60 mm | 2.36 in |
| Thickness (t) | 4.3 mm | 0.17 in |
| Lip | 20 mm | 0.79 in |
| Weight | 13.3 kg/m | 8.97 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,245.3 mm² | 1.930 in² |
| Moment of inertia (Ix) | 423.91 cm⁴ | 10.18 in⁴ |
| Moment of inertia (Iy) | 58.69 cm⁴ | 1.41 in⁴ |
| Elastic section modulus (Sx) | 56.52 cm³ | 3.449 in³ |
| Elastic section modulus (Sy) | 13.78 cm³ | 0.841 in³ |
| Plastic section modulus (Zx) | 65 cm³ | 3.967 in³ |
| Plastic section modulus (Zy) | 16.54 cm³ | 1.009 in³ |
| Radius of gyration (rx) | 5.83 cm | 2.295 in |
| Radius of gyration (ry) | 2.17 cm | 0.854 in |
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15.0 kN·m
15.0 kN
19.90 mm
L/301