Steel Section Catalog
ISLB 325 — Dimensions & Section Properties
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.
Also known as: ISLB 325 (México) · Doble T ISLB 325 (Argentina / LATAM) · UB 325 (UK / Australia)
The ISLB 325 steel profile weighs 43.1 kg/m (28.96 lb/ft), has a depth of 325 mm (12.80 in), flange width 165 mm (6.50 in). Cross-sectional area: 5,371.8 mm². Moment of inertia Ix = 9,696.71 cm⁴, Iy = 734.59 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 325 mm | 12.80 in |
| Width (b) | 165 mm | 6.50 in |
| Web thickness (tw) | 7 mm | 0.28 in |
| Flange thickness (tf) | 9.8 mm | 0.39 in |
| Fillet radius (r) | 16 mm | 0.63 in |
| Weight | 43.1 kg/m | 28.96 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 5,371.8 mm² | 8.326 in² |
| Moment of inertia (Ix) | 9,696.71 cm⁴ | 232.96 in⁴ |
| Moment of inertia (Iy) | 734.59 cm⁴ | 17.65 in⁴ |
| Elastic section modulus (Sx) | 596.72 cm³ | 36.414 in³ |
| Elastic section modulus (Sy) | 89.04 cm³ | 5.434 in³ |
| Plastic section modulus (Zx) | 672.9 cm³ | 41.063 in³ |
| Plastic section modulus (Zy) | 137.14 cm³ | 8.369 in³ |
| Radius of gyration (rx) | 13.44 cm | 5.291 in |
| Radius of gyration (ry) | 3.7 cm | 1.457 in |
Beam Calculator— ISLB 325
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mfixed @ 0mfixed @ 6m→kN/m
Results — ISLB 325
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.87 mm
L/6895
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
