HD – wide-flange columns

HD-320x198

Standard: Catalogues fabricantsSource: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 306d = 343tf = 32tf = 32tw = 18tw = 18
Cross-section, to scaledimensions in mm

Dimensions

Depthd
343mm
Flange widthbf
306mm
Web thicknesstw
18mm
Flange thicknesstf
32mm
Root radiusr
27mm

Mass and area

Mass per lengthm
198.1kg/m
Cross-sectional areaA
25,232mm²
Outside perimeterP
1,828mm

Strong axis x–x

Moment of inertiaIx
51910⁶ mm⁴
Elastic section modulusSx
3,02610³ mm³
Plastic section modulusZx
3,47910³ mm³
Radius of gyrationrx
143.4mm

Weak axis y–y

Moment of inertiaIy
153.110⁶ mm⁴
Elastic section modulusSy
1,00110³ mm³
Plastic section modulusZy
1,53010³ mm³
Radius of gyrationry
77.9mm

Torsion and stability

Torsional constantJ
8,05310³ mm⁴
Warping constantCw
3,69510⁹ mm⁶

Equivalents in other standards