StructureCalcsHD 400 x 262
Wide-Flange Column (HD) · EN 10365 · Europe
HD 400 x 262 is a heavy wide-flange column section 387.0 mm deep with a 398.0 mm wide flange, weighing 262.0 kg/m. The dimensions below are the published EN 10365 values; the drawing is generated from them.
HD sections are heavy wide-flange columns rolled for high-rise and transfer work, extending the HE family upward.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 387.0 mm | 15.24 in |
| Flange width, bf | 398.0 mm | 15.67 in |
| Flange thickness, tf | 33.3 mm | 1.311 in |
| Web thickness, tw | 21.1 mm | 0.831 in |
| Mass per metre | 262.0 kg/m | 176.1 lb/ft |
| Area, A | 33,460 mm² | 51.86 in² |
| Second moment, Ix | 897,600,000 mm⁴ | 2,156.5 in⁴ |
| Second moment, Iy | 350,200,000 mm⁴ | 841.4 in⁴ |
Derived section properties
Integrated from the section's own outline including the root and toe radii, whose arcs are integrated analytically rather than approximated by facets. For HD 400 x 262 the computed area agrees with the published value to better than 0.01% and Ix to 0.39%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Wel,x | 4,620,468 mm³ |
| Elastic modulus, Wel,y | 1,759,740 mm³ |
| Plastic modulus, Wpl,x | 5,259,533 mm³ |
| Plastic modulus, Wpl,y | 2,675,773 mm³ |
| Radius of gyration, rx | 163.5 mm |
| Radius of gyration, ry | 102.3 mm |
Wel is the elastic modulus and Wpl the plastic modulus, following Eurocode 3 notation.
Neighbouring sizes
Where these numbers come from
Published EN 10365 values. How StructureCalcs verifies its numbers · Understanding steel section properties · Query this section over the API