HD – wide-flange columns

HD-320x245

Standard: Catalogues fabricantsSource: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 309d = 359tf = 40tf = 40tw = 21tw = 21
Cross-section, to scaledimensions in mm

Dimensions

Depthd
359mm
Flange widthbf
309mm
Web thicknesstw
21mm
Flange thicknesstf
40mm
Root radiusr
27mm

Mass and area

Mass per lengthm
245kg/m
Cross-sectional areaA
31,205mm²
Outside perimeterP
1,866mm

Strong axis x–x

Moment of inertiaIx
681.310⁶ mm⁴
Elastic section modulusSx
3,79610³ mm³
Plastic section modulusZx
4,43510³ mm³
Radius of gyrationrx
147.8mm

Weak axis y–y

Moment of inertiaIy
197.110⁶ mm⁴
Elastic section modulusSy
1,27610³ mm³
Plastic section modulusZy
1,95110³ mm³
Radius of gyrationry
79.47mm

Torsion and stability

Torsional constantJ
15,00610³ mm⁴
Warping constantCw
5,00410⁹ mm⁶

Equivalents in other standards