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 200x60x20x4.25 steel profile weighs 16.7 kg/m (11.21 lb/ft), has a depth of 200 mm (7.87 in), flange width 60 mm (2.36 in). Cross-sectional area: 1,457.8 mm². Moment of inertia Ix = 840.26 cm⁴, Iy = 64.22 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 200 mm | 7.87 in |
| Width (b) | 60 mm | 2.36 in |
| Thickness (t) | 4.3 mm | 0.17 in |
| Lip | 20 mm | 0.79 in |
| Weight | 16.7 kg/m | 11.21 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,457.8 mm² | 2.260 in² |
| Moment of inertia (Ix) | 840.26 cm⁴ | 20.19 in⁴ |
| Moment of inertia (Iy) | 64.22 cm⁴ | 1.54 in⁴ |
| Elastic section modulus (Sx) | 84.03 cm³ | 5.128 in³ |
| Elastic section modulus (Sy) | 14.23 cm³ | 0.868 in³ |
| Plastic section modulus (Zx) | 96.63 cm³ | 5.897 in³ |
| Plastic section modulus (Zy) | 17.08 cm³ | 1.042 in³ |
| Radius of gyration (rx) | 7.59 cm | 2.988 in |
| Radius of gyration (ry) | 2.1 cm | 0.827 in |
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15.0 kN·m
15.0 kN
10.04 mm
L/598