Steel Section Catalog
HEM 340
EN — 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: HEM 340 (México) · Doble T HEM 340 (Argentina / LATAM) · UB 377 (UK / Australia)
The HEM 340 steel profile weighs 248.0 kg/m (166.66 lb/ft), has a depth of 377 mm (14.84 in), flange width 309 mm (12.17 in). Cross-sectional area: 30,957 mm². Moment of inertia Ix = 75,099.9 cm⁴, Iy = 19,692.01 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 377 mm | 14.84 in |
| Width (b) | 309 mm | 12.17 in |
| Web thickness (tw) | 21 mm | 0.83 in |
| Flange thickness (tf) | 40 mm | 1.57 in |
| Fillet radius (r) | 27 mm | 1.06 in |
| Weight | 248.0 kg/m | 166.66 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 30,957 mm² | 47.983 in² |
| Moment of inertia (Ix) | 75,099.9 cm⁴ | 1804.28 in⁴ |
| Moment of inertia (Iy) | 19,692.01 cm⁴ | 473.10 in⁴ |
| Elastic section modulus (Sx) | 3,984.08 cm³ | 243.124 in³ |
| Elastic section modulus (Sy) | 1,274.56 cm³ | 77.779 in³ |
| Plastic section modulus (Zx) | 4,628.42 cm³ | 282.445 in³ |
| Plastic section modulus (Zy) | 1,942.36 cm³ | 118.531 in³ |
| Radius of gyration (rx) | 15.58 cm | 6.134 in |
| Radius of gyration (ry) | 7.98 cm | 3.142 in |
Beam Calculator— HEM 340
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mfixed @ 0mfixed @ 6m→kN/m
Results — HEM 340
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.11 mm
L/53404
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
