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 100x50x15x2 steel profile weighs 4.4 kg/m (2.95 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 444 mm². Moment of inertia Ix = 71.76 cm⁴, Iy = 15.67 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 100 mm | 3.94 in |
| Width (b) | 50 mm | 1.97 in |
| Thickness (t) | 2 mm | 0.08 in |
| Lip | 15 mm | 0.59 in |
| Weight | 4.4 kg/m | 2.95 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 444 mm² | 0.688 in² |
| Moment of inertia (Ix) | 71.76 cm⁴ | 1.72 in⁴ |
| Moment of inertia (Iy) | 15.67 cm⁴ | 0.38 in⁴ |
| Elastic section modulus (Sx) | 14.35 cm³ | 0.876 in³ |
| Elastic section modulus (Sy) | 4.67 cm³ | 0.285 in³ |
| Plastic section modulus (Zx) | 16.51 cm³ | 1.008 in³ |
| Plastic section modulus (Zy) | 5.6 cm³ | 0.342 in³ |
| Radius of gyration (rx) | 4.02 cm | 1.583 in |
| Radius of gyration (ry) | 1.88 cm | 0.740 in |
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15.0 kN·m
15.0 kN
117.58 mm
L/51