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 50x25x10x2 steel profile weighs 1.7 kg/m (1.13 lb/ft), has a depth of 50 mm (1.97 in), flange width 25 mm (0.98 in). Cross-sectional area: 224 mm². Moment of inertia Ix = 8.54 cm⁴, Iy = 1.94 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 50 mm | 1.97 in |
| Width (b) | 25 mm | 0.98 in |
| Thickness (t) | 2 mm | 0.08 in |
| Lip | 10 mm | 0.39 in |
| Weight | 1.7 kg/m | 1.13 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 224 mm² | 0.347 in² |
| Moment of inertia (Ix) | 8.54 cm⁴ | 0.21 in⁴ |
| Moment of inertia (Iy) | 1.94 cm⁴ | 0.05 in⁴ |
| Elastic section modulus (Sx) | 3.42 cm³ | 0.209 in³ |
| Elastic section modulus (Sy) | 1.17 cm³ | 0.071 in³ |
| Plastic section modulus (Zx) | 3.93 cm³ | 0.240 in³ |
| Plastic section modulus (Zy) | 1.41 cm³ | 0.086 in³ |
| Radius of gyration (rx) | 1.95 cm | 0.768 in |
| Radius of gyration (ry) | 0.93 cm | 0.366 in |
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15.0 kN·m
15.0 kN
988.00 mm
L/6