UC – universal columns

254x254x132

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 = 261.3d = 276.3tf = 25.3tf = 25.3tw = 15.3tw = 15.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
276.3mm
Flange widthbf
261.3mm
Web thicknesstw
15.3mm
Flange thicknesstf
25.3mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
132kg/m
Cross-sectional areaA
16,813mm²
Outside perimeterP
1,545mm

Strong axis x–x

Moment of inertiaIx
225.310⁶ mm⁴
Elastic section modulusSx
1,63110³ mm³
Plastic section modulusZx
1,86910³ mm³
Radius of gyrationrx
115.8mm

Weak axis y–y

Moment of inertiaIy
75.3110⁶ mm⁴
Elastic section modulusSy
576.410³ mm³
Plastic section modulusZy
878.410³ mm³
Radius of gyrationry
66.93mm

Torsion and stability

Torsional constantJ
3,21510³ mm⁴
Warping constantCw
1,18510⁹ mm⁶

Equivalents in other standards