HD – wide-flange columns

HD-260x299

Standard: Catalogues fabricantsSource: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 278d = 335tf = 55tf = 55tw = 31tw = 31
Cross-section, to scaledimensions in mm

Dimensions

Depthd
335mm
Flange widthbf
278mm
Web thicknesstw
31mm
Flange thicknesstf
55mm
Root radiusr
24mm

Mass and area

Mass per lengthm
298.7kg/m
Cross-sectional areaA
38,049mm²
Outside perimeterP
1,679mm

Strong axis x–x

Moment of inertiaIx
642.210⁶ mm⁴
Elastic section modulusSx
3,83410³ mm³
Plastic section modulusZx
4,72710³ mm³
Radius of gyrationrx
129.9mm

Weak axis y–y

Moment of inertiaIy
197.710⁶ mm⁴
Elastic section modulusSy
1,42310³ mm³
Plastic section modulusZy
2,19010³ mm³
Radius of gyrationry
72.09mm

Torsion and stability

Torsional constantJ
34,37510³ mm⁴
Warping constantCw
3,86010⁹ mm⁶

Equivalents in other standards