Steel Section Catalog
C 200x75x20x3.75
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 8 pulgadas (México) · PFC 200x75x20x3.75 (UK / Australia)
The C 200x75x20x3.75 steel profile weighs 15.2 kg/m (10.19 lb/ft), has a depth of 200 mm (7.87 in), flange width 75 mm (2.95 in). Cross-sectional area: 1,406.3 mm². Moment of inertia Ix = 858.99 cm⁴, Iy = 100.87 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 3.75 mm ≈ 9 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 200 mm | 7.87 in |
| Width (b) | 75 mm | 2.95 in |
| Thickness (t) | 3.8 mm | 0.15 in |
| Lip | 20 mm | 0.79 in |
| Weight | 15.2 kg/m | 10.19 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 1,406.3 mm² | 2.180 in² |
| Moment of inertia (Ix) | 858.99 cm⁴ | 20.64 in⁴ |
| Moment of inertia (Iy) | 100.87 cm⁴ | 2.42 in⁴ |
| Elastic section modulus (Sx) | 85.9 cm³ | 5.242 in³ |
| Elastic section modulus (Sy) | 18.48 cm³ | 1.128 in³ |
| Plastic section modulus (Zx) | 98.78 cm³ | 6.028 in³ |
| Plastic section modulus (Zy) | 22.18 cm³ | 1.354 in³ |
| Radius of gyration (rx) | 7.82 cm | 3.079 in |
| Radius of gyration (ry) | 2.68 cm | 1.055 in |
Beam Calculator— C 200x75x20x3.75
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mfixed @ 0mfixed @ 6m→kN/m
Results — C 200x75x20x3.75
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
9.82 mm
L/611
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
