Steel Section Catalog
C 100x40x15x3.35
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.
Also known as: Montén de 4 pulgadas (México) · PFC 100x40x15x3.35 (UK / Australia)
The C 100x40x15x3.35 steel profile weighs 7.1 kg/m (4.77 lb/ft), has a depth of 100 mm (3.94 in), flange width 40 mm (1.57 in). Cross-sectional area: 658.6 mm². Moment of inertia Ix = 98.2 cm⁴, Iy = 13.85 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 3.35 mm ≈ 10 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 100 mm | 3.94 in |
| Width (b) | 40 mm | 1.57 in |
| Thickness (t) | 3.4 mm | 0.13 in |
| Lip | 15 mm | 0.59 in |
| Weight | 7.1 kg/m | 4.77 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 658.6 mm² | 1.021 in² |
| Moment of inertia (Ix) | 98.2 cm⁴ | 2.36 in⁴ |
| Moment of inertia (Iy) | 13.85 cm⁴ | 0.33 in⁴ |
| Elastic section modulus (Sx) | 19.64 cm³ | 1.199 in³ |
| Elastic section modulus (Sy) | 4.91 cm³ | 0.300 in³ |
| Plastic section modulus (Zx) | 22.59 cm³ | 1.379 in³ |
| Plastic section modulus (Zy) | 5.9 cm³ | 0.360 in³ |
| Radius of gyration (rx) | 3.86 cm | 1.520 in |
| Radius of gyration (ry) | 1.45 cm | 0.571 in |
Beam Calculator— C 100x40x15x3.35
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mfixed @ 0mfixed @ 6m→kN/m
Results — C 100x40x15x3.35
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
85.92 mm
L/70
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
