Steel Section Catalog
ISWB 300
IS — Wide Flange (I-beam)
Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.
The ISWB 300 steel profile weighs 48.1 kg/m (32.32 lb/ft), has a depth of 300 mm (11.81 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,072 mm². Moment of inertia Ix = 9,767.04 cm⁴, Iy = 1,334.28 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 300 mm | 11.81 in |
| Width (b) | 200 mm | 7.87 in |
| Web thickness (tw) | 7.4 mm | 0.29 in |
| Flange thickness (tf) | 10 mm | 0.39 in |
| Fillet radius (r) | 11 mm | 0.43 in |
| Weight | 48.1 kg/m | 32.32 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 6,072 mm² | 9.412 in² |
| Moment of inertia (Ix) | 9,767.04 cm⁴ | 234.65 in⁴ |
| Moment of inertia (Iy) | 1,334.28 cm⁴ | 32.06 in⁴ |
| Elastic section modulus (Sx) | 651.14 cm³ | 39.735 in³ |
| Elastic section modulus (Sy) | 133.43 cm³ | 8.142 in³ |
| Plastic section modulus (Zx) | 725.04 cm³ | 44.245 in³ |
| Plastic section modulus (Zy) | 203.83 cm³ | 12.439 in³ |
| Radius of gyration (rx) | 12.68 cm | 4.992 in |
| Radius of gyration (ry) | 4.69 cm | 1.846 in |
Beam Calculator— ISWB 300
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mfixed @ 0mfixed @ 6m→kN/m
Results — ISWB 300
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.86 mm
L/6945
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
