HD – wide-flange columns

HD-320x127

Standard: Catalogues fabricantsSource: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 300d = 320tf = 20.5tf = 20.5tw = 11.5tw = 11.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
320mm
Flange widthbf
300mm
Web thicknesstw
11.5mm
Flange thicknesstf
20.5mm
Root radiusr
27mm

Mass and area

Mass per lengthm
126.7kg/m
Cross-sectional areaA
16,134mm²
Outside perimeterP
1,771mm

Strong axis x–x

Moment of inertiaIx
308.210⁶ mm⁴
Elastic section modulusSx
1,92610³ mm³
Plastic section modulusZx
2,14910³ mm³
Radius of gyrationrx
138.2mm

Weak axis y–y

Moment of inertiaIy
92.3910⁶ mm⁴
Elastic section modulusSy
615.910³ mm³
Plastic section modulusZy
939.110³ mm³
Radius of gyrationry
75.67mm

Torsion and stability

Torsional constantJ
2,25110³ mm⁴
Warping constantCw
2,06910⁹ mm⁶

Equivalents in other standards