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 150x60x20x3.75 steel profile weighs 11.8 kg/m (7.91 lb/ft), has a depth of 150 mm (5.91 in), flange width 60 mm (2.36 in). Cross-sectional area: 1,106.3 mm². Moment of inertia Ix = 379.55 cm⁴, Iy = 53.17 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 150 mm | 5.91 in |
| Width (b) | 60 mm | 2.36 in |
| Thickness (t) | 3.8 mm | 0.15 in |
| Lip | 20 mm | 0.79 in |
| Weight | 11.8 kg/m | 7.91 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,106.3 mm² | 1.715 in² |
| Moment of inertia (Ix) | 379.55 cm⁴ | 9.12 in⁴ |
| Moment of inertia (Iy) | 53.17 cm⁴ | 1.28 in⁴ |
| Elastic section modulus (Sx) | 50.61 cm³ | 3.088 in³ |
| Elastic section modulus (Sy) | 12.55 cm³ | 0.766 in³ |
| Plastic section modulus (Zx) | 58.2 cm³ | 3.552 in³ |
| Plastic section modulus (Zy) | 15.06 cm³ | 0.919 in³ |
| Radius of gyration (rx) | 5.86 cm | 2.307 in |
| Radius of gyration (ry) | 2.19 cm | 0.862 in |
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15.0 kN·m
15.0 kN
22.23 mm
L/270