I 351x171x8x9.5 IAS · Weight & Dimensions
IAS, welded sections · 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.
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Also known as: I 351x171x8x9.5 (México) · Doble T I 351x171x8x9.5 (Argentina / LATAM) · UB 351 (UK / Australia)
The I 351x171x8x9.5 steel profile weighs 46.4 kg/m (31.15 lb/ft), has a depth of 351 mm (13.82 in), flange width 171 mm (6.73 in). Cross-sectional area: 5,905 mm². Moment of inertia Ix = 11,914.71 cm⁴, Iy = 793.117 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 351 mm | 13.82 in |
| Width (b) | 171 mm | 6.73 in |
| Web thickness (tw) | 8 mm | 0.31 in |
| Flange thickness (tf) | 9.5 mm | 0.37 in |
| Weight | 46.4 kg/m | 31.15 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 5,905 mm² | 9.153 in² |
| Moment of inertia (Ix) | 11,914.71 cm⁴ | 286.25 in⁴ |
| Moment of inertia (Iy) | 793.12 cm⁴ | 19.05 in⁴ |
| Elastic section modulus (Sx) | 678.9 cm³ | 41.429 in³ |
| Elastic section modulus (Sy) | 92.76 cm³ | 5.661 in³ |
| Plastic section modulus (Zx) | 775.21 cm³ | 47.307 in³ |
| Plastic section modulus (Zy) | 144.21 cm³ | 8.800 in³ |
| Radius of gyration (rx) | 14.2 cm | 5.592 in |
| Radius of gyration (ry) | 3.66 cm | 1.443 in |
Beam Calculator— I 351x171x8x9.5
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — I 351x171x8x9.5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
0.71 mm
L/8473
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
