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 150x60x20x3.05 steel profile weighs 9.6 kg/m (6.44 lb/ft), has a depth of 150 mm (5.91 in), flange width 60 mm (2.36 in). Cross-sectional area: 908.3 mm². Moment of inertia Ix = 315.05 cm⁴, Iy = 44.86 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 150 mm | 5.91 in |
| Width (b) | 60 mm | 2.36 in |
| Thickness (t) | 3.0 mm | 0.12 in |
| Lip | 20 mm | 0.79 in |
| Weight | 9.6 kg/m | 6.44 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 908.3 mm² | 1.408 in² |
| Moment of inertia (Ix) | 315.05 cm⁴ | 7.57 in⁴ |
| Moment of inertia (Iy) | 44.86 cm⁴ | 1.08 in⁴ |
| Elastic section modulus (Sx) | 42.01 cm³ | 2.564 in³ |
| Elastic section modulus (Sy) | 10.67 cm³ | 0.651 in³ |
| Plastic section modulus (Zx) | 48.31 cm³ | 2.948 in³ |
| Plastic section modulus (Zy) | 12.8 cm³ | 0.781 in³ |
| Radius of gyration (rx) | 5.89 cm | 2.319 in |
| Radius of gyration (ry) | 2.22 cm | 0.874 in |
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15.0 kN·m
15.0 kN
26.78 mm
L/224