UC – universal columns

305x305x283

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xybf = 322.2d = 365.3tf = 44.1tf = 44.1tw = 26.8tw = 26.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
365.3mm
Flange widthbf
322.2mm
Web thicknesstw
26.8mm
Flange thicknesstf
44.1mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
282.9kg/m
Cross-sectional areaA
36,043mm²
Outside perimeterP
1,940mm

Strong axis x–x

Moment of inertiaIx
788.710⁶ mm⁴
Elastic section modulusSx
4,31810³ mm³
Plastic section modulusZx
5,10510³ mm³
Radius of gyrationrx
147.9mm

Weak axis y–y

Moment of inertiaIy
246.310⁶ mm⁴
Elastic section modulusSy
1,52910³ mm³
Plastic section modulusZy
2,34210³ mm³
Radius of gyrationry
82.67mm

Torsion and stability

Torsional constantJ
20,62010³ mm⁴
Warping constantCw
6,34110⁹ mm⁶

Equivalents in other standards