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Verified dimensions, section properties, and auto-generated CAD block download for structural engineers and detailers.
| Property | Dimension / Value |
|---|---|
| Designation | W840X251 |
| Shape Class | Wide Flange / M-Shape (W) |
| Nominal Weight | 251 kg/m |
| Overall Depth (d) | 859 mm |
| Flange Width (bf) | 292 mm |
| Web Thickness (tw) | 17 mm |
| Flange Thickness (tf) | 31 mm |
| Moment of Inertia (Ix) | 3870 in⁴ |
| Plastic Section Modulus (Zx) | 10300 in³ |
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