UC – universal columns

305x305x240

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 = 318.4d = 352.5tf = 37.7tf = 37.7tw = 23tw = 23
Cross-section, to scaledimensions in mm

Dimensions

Depthd
352.5mm
Flange widthbf
318.4mm
Web thicknesstw
23mm
Flange thicknesstf
37.7mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
240kg/m
Cross-sectional areaA
30,579mm²
Outside perimeterP
1,907mm

Strong axis x–x

Moment of inertiaIx
64210⁶ mm⁴
Elastic section modulusSx
3,64310³ mm³
Plastic section modulusZx
4,24710³ mm³
Radius of gyrationrx
144.9mm

Weak axis y–y

Moment of inertiaIy
203.110⁶ mm⁴
Elastic section modulusSy
1,27610³ mm³
Plastic section modulusZy
1,95110³ mm³
Radius of gyrationry
81.51mm

Torsion and stability

Torsional constantJ
12,86710³ mm⁴
Warping constantCw
5,02510⁹ mm⁶

Equivalents in other standards