UC – universal columns

254x254x73

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
Range derived from BS 4-1; to be confirmed with the SAISC Red Book.
xybf = 254.6d = 254.1tf = 14.2tf = 14.2tw = 8.6tw = 8.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254.1mm
Flange widthbf
254.6mm
Web thicknesstw
8.6mm
Flange thicknesstf
14.2mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
73.08kg/m
Cross-sectional areaA
9,310mm²
Outside perimeterP
1,488mm

Strong axis x–x

Moment of inertiaIx
114.110⁶ mm⁴
Elastic section modulusSx
897.910³ mm³
Plastic section modulusZx
992.110³ mm³
Radius of gyrationrx
110.7mm

Weak axis y–y

Moment of inertiaIy
39.0810⁶ mm⁴
Elastic section modulusSy
30710³ mm³
Plastic section modulusZy
465.410³ mm³
Radius of gyrationry
64.79mm

Torsion and stability

Torsional constantJ
577.410³ mm⁴
Warping constantCw
56210⁹ mm⁶

Equivalents in other standards