UC – universal columns

305x305x158

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 = 311.2d = 327.1tf = 25tf = 25tw = 15.8tw = 15.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
327.1mm
Flange widthbf
311.2mm
Web thicknesstw
15.8mm
Flange thicknesstf
25mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
158.1kg/m
Cross-sectional areaA
20,137mm²
Outside perimeterP
1,841mm

Strong axis x–x

Moment of inertiaIx
387.510⁶ mm⁴
Elastic section modulusSx
2,36910³ mm³
Plastic section modulusZx
2,68010³ mm³
Radius of gyrationrx
138.7mm

Weak axis y–y

Moment of inertiaIy
125.710⁶ mm⁴
Elastic section modulusSy
807.810³ mm³
Plastic section modulusZy
1,23010³ mm³
Radius of gyrationry
79.01mm

Torsion and stability

Torsional constantJ
3,81610³ mm⁴
Warping constantCw
2,86510⁹ mm⁶

Equivalents in other standards