UC – universal columns

254x254x107

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 = 258.8d = 266.7tf = 20.5tf = 20.5tw = 12.8tw = 12.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
266.7mm
Flange widthbf
258.8mm
Web thicknesstw
12.8mm
Flange thicknesstf
20.5mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
107.1kg/m
Cross-sectional areaA
13,638mm²
Outside perimeterP
1,521mm

Strong axis x–x

Moment of inertiaIx
175.110⁶ mm⁴
Elastic section modulusSx
1,31310³ mm³
Plastic section modulusZx
1,48410³ mm³
Radius of gyrationrx
113.3mm

Weak axis y–y

Moment of inertiaIy
59.2810⁶ mm⁴
Elastic section modulusSy
458.110³ mm³
Plastic section modulusZy
69710³ mm³
Radius of gyrationry
65.93mm

Torsion and stability

Torsional constantJ
1,73910³ mm⁴
Warping constantCw
897.510⁹ mm⁶

Equivalents in other standards