IAS, cold-formed sections · 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 180x70x30x6.35 steel profile weighs 16.9 kg/m (11.33 lb/ft), has a depth of 180 mm (7.09 in), flange width 70 mm (2.76 in). Cross-sectional area: 2,147.718 mm². Moment of inertia Ix = 991.11 cm⁴, Iy = 134.971 cm⁴.
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 180 mm | 7.09 in |
| Width (b) | 70 mm | 2.76 in |
| Thickness (t) | 6.3 mm | 0.25 in |
| Lip | 30 mm | 1.18 in |
| Fillet radius (r) | 6.3 mm | 0.25 in |
| Weight | 16.9 kg/m | 11.33 lb/ft |
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 2,147.72 mm² | 3.329 in² |
| Moment of inertia (Ix) | 991.11 cm⁴ | 23.81 in⁴ |
| Moment of inertia (Iy) | 134.97 cm⁴ | 3.24 in⁴ |
| Elastic section modulus (Sx) | 110.12 cm³ | 6.720 in³ |
| Elastic section modulus (Sy) | 29.16 cm³ | 1.779 in³ |
| Plastic section modulus (Zx) | 143.07 cm³ | 8.730 in³ |
| Plastic section modulus (Zy) | 44.6 cm³ | 2.721 in³ |
| Radius of gyration (rx) | 6.79 cm | 2.674 in |
| Radius of gyration (ry) | 2.51 cm | 0.987 in |
15.0 kN·m
15.0 kN
8.51 mm
L/705