StructureCalcsHD 260 x 68.2
Wide-Flange Column (HD) · EN 10365 · Europe
HD 260 x 68.2 is a heavy wide-flange column section 250.0 mm deep with a 260.0 mm wide flange, weighing 68.2 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 | 250.0 mm | 9.84 in |
| Flange width, bf | 260.0 mm | 10.24 in |
| Flange thickness, tf | 12.5 mm | 0.492 in |
| Web thickness, tw | 7.5 mm | 0.295 in |
| Mass per metre | 68.2 kg/m | 45.8 lb/ft |
| Area, A | 8,682 mm² | 13.46 in² |
| Second moment, Ix | 104,550,000 mm⁴ | 251.2 in⁴ |
| Second moment, Iy | 36,670,000 mm⁴ | 88.1 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 260 x 68.2 the computed area agrees with the published value to better than 0.01% and Ix to better than 0.01%. Where a value is also published, the published one above is the one to quote.
| Property | Value |
|---|---|
| Elastic modulus, Wel,x | 836,396 mm³ |
| Elastic modulus, Wel,y | 282,120 mm³ |
| Plastic modulus, Wpl,x | 919,771 mm³ |
| Plastic modulus, Wpl,y | 430,169 mm³ |
| Radius of gyration, rx | 109.7 mm |
| Radius of gyration, ry | 65.0 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