Steel Section Catalog
C 300x100x25x6.3
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 12 pulgadas (México) · PFC 300x100x25x6.3 (UK / Australia)
The C 300x100x25x6.3 steel profile weighs 25.2 kg/m (16.91 lb/ft), has a depth of 300 mm (11.81 in), flange width 100 mm (3.94 in). Cross-sectional area: 3,306.2 mm². Moment of inertia Ix = 4,386.2 cm⁴, Iy = 388.96 cm⁴.
Cross-section (not to scale)
Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 300 mm | 11.81 in |
| Width (b) | 100 mm | 3.94 in |
| Thickness (t) | 6.3 mm | 0.25 in |
| Lip | 25 mm | 0.98 in |
| Weight | 25.2 kg/m | 16.91 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,306.2 mm² | 5.125 in² |
| Moment of inertia (Ix) | 4,386.2 cm⁴ | 105.38 in⁴ |
| Moment of inertia (Iy) | 388.96 cm⁴ | 9.34 in⁴ |
| Elastic section modulus (Sx) | 292.41 cm³ | 17.844 in³ |
| Elastic section modulus (Sy) | 51.54 cm³ | 3.145 in³ |
| Plastic section modulus (Zx) | 336.27 cm³ | 20.521 in³ |
| Plastic section modulus (Zy) | 61.85 cm³ | 3.774 in³ |
| Radius of gyration (rx) | 11.52 cm | 4.535 in |
| Radius of gyration (ry) | 3.43 cm | 1.350 in |
Beam Calculator— C 300x100x25x6.3
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mfixed @ 0mfixed @ 6m→kN/m
Results — C 300x100x25x6.3
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
1.92 mm
L/3119
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
