UC – universal columns

356x406x551

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 = 418.5d = 455.6tf = 67.5tf = 67.5tw = 42.1tw = 42.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
455.6mm
Flange widthbf
418.5mm
Web thicknesstw
42.1mm
Flange thicknesstf
67.5mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
551kg/m
Cross-sectional areaA
70,193mm²
Outside perimeterP
2,475mm

Strong axis x–x

Moment of inertiaIx
2,26910⁶ mm⁴
Elastic section modulusSx
9,96210³ mm³
Plastic section modulusZx
12,07610³ mm³
Radius of gyrationrx
179.8mm

Weak axis y–y

Moment of inertiaIy
826.710⁶ mm⁴
Elastic section modulusSy
3,95110³ mm³
Plastic section modulusZy
6,05810³ mm³
Radius of gyrationry
108.5mm

Torsion and stability

Torsional constantJ
94,02210³ mm⁴
Warping constantCw
31,05010⁹ mm⁶

Equivalents in other standards