UC – universal columns

203x203x46

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 = 203.6d = 203.2tf = 11tf = 11tw = 7.2tw = 7.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Flange widthbf
203.6mm
Web thicknesstw
7.2mm
Flange thicknesstf
11mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
46.1kg/m
Cross-sectional areaA
5,873mm²
Outside perimeterP
1,189mm

Strong axis x–x

Moment of inertiaIx
45.6810⁶ mm⁴
Elastic section modulusSx
449.610³ mm³
Plastic section modulusZx
497.410³ mm³
Radius of gyrationrx
88.19mm

Weak axis y–y

Moment of inertiaIy
15.4810⁶ mm⁴
Elastic section modulusSy
152.110³ mm³
Plastic section modulusZy
230.910³ mm³
Radius of gyrationry
51.34mm

Torsion and stability

Torsional constantJ
223.410³ mm⁴
Warping constantCw
142.910⁹ mm⁶

Equivalents in other standards