StructureCalcsHEA 340
European H-Beam (HE A) · EN 10365 · Europe
HEA 340 is a European wide-flange H-section, light series 330.0 mm deep with a 300.0 mm wide flange, weighing 104.8 kg/m. The dimensions below are the published EN 10365 values; the drawing is generated from them.
HE A sections are the light series of the European wide-flange H family — column proportions at reduced mass.
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Published dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 330.0 mm | 12.99 in |
| Flange width, bf | 300.0 mm | 11.81 in |
| Flange thickness, tf | 16.5 mm | 0.650 in |
| Web thickness, tw | 9.5 mm | 0.374 in |
| Mass per metre | 104.8 kg/m | 70.4 lb/ft |
| Area, A | 13,347 mm² | 20.69 in² |
| Second moment, Ix | 276,931,100 mm⁴ | 665.3 in⁴ |
| Second moment, Iy | 76,900,000 mm⁴ | 184.8 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 HEA 340 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 | 1,678,370 mm³ |
| Elastic modulus, Wel,y | 495,733 mm³ |
| Plastic modulus, Wpl,x | 1,850,476 mm³ |
| Plastic modulus, Wpl,y | 755,948 mm³ |
| Radius of gyration, rx | 144.0 mm |
| Radius of gyration, ry | 74.6 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