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 150x50x17x3.05 steel profile weighs 9.2 kg/m (6.18 lb/ft), has a depth of 150 mm (5.91 in), flange width 50 mm (1.97 in). Cross-sectional area: 829 mm². Moment of inertia Ix = 276.27 cm⁴, Iy = 26.88 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 150 mm | 5.91 in |
| Width (b) | 50 mm | 1.97 in |
| Thickness (t) | 3.0 mm | 0.12 in |
| Lip | 17 mm | 0.67 in |
| Weight | 9.2 kg/m | 6.18 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 829 mm² | 1.285 in² |
| Moment of inertia (Ix) | 276.27 cm⁴ | 6.64 in⁴ |
| Moment of inertia (Iy) | 26.88 cm⁴ | 0.65 in⁴ |
| Elastic section modulus (Sx) | 36.84 cm³ | 2.248 in³ |
| Elastic section modulus (Sy) | 7.36 cm³ | 0.449 in³ |
| Plastic section modulus (Zx) | 42.36 cm³ | 2.585 in³ |
| Plastic section modulus (Zy) | 8.83 cm³ | 0.539 in³ |
| Radius of gyration (rx) | 5.77 cm | 2.272 in |
| Radius of gyration (ry) | 1.8 cm | 0.709 in |
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15.0 kN·m
15.0 kN
30.54 mm
L/196