UC – universal columns

305x305x198

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 314.5d = 339.9tf = 31.4tf = 31.4tw = 19.1tw = 19.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
339.9mm
Flange widthbf
314.5mm
Web thicknesstw
19.1mm
Flange thicknesstf
31.4mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
198.1kg/m
Cross-sectional areaA
25,242mm²
Outside perimeterP
1,874mm

Strong axis x–x

Moment of inertiaIx
50910⁶ mm⁴
Elastic section modulusSx
2,99510³ mm³
Plastic section modulusZx
3,44010³ mm³
Radius of gyrationrx
142mm

Weak axis y–y

Moment of inertiaIy
16310⁶ mm⁴
Elastic section modulusSy
1,03710³ mm³
Plastic section modulusZy
1,58110³ mm³
Radius of gyrationry
80.36mm

Torsion and stability

Torsional constantJ
7,41210³ mm⁴
Warping constantCw
3,87310⁹ mm⁶

Equivalents in other standards