UC – universal columns

356x406x990

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 448d = 550tf = 115tf = 115tw = 71.9tw = 71.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
550mm
Flange widthbf
448mm
Web thicknesstw
71.9mm
Flange thicknesstf
115mm
Root radiusr
15mm

Mass and area

Mass per lengthm
991kg/m
Cross-sectional areaA
126,241mm²
Outside perimeterP
2,722mm

Strong axis x–x

Moment of inertiaIx
5,18910⁶ mm⁴
Elastic section modulusSx
18,86910³ mm³
Plastic section modulusZx
24,28210³ mm³
Radius of gyrationrx
202.7mm

Weak axis y–y

Moment of inertiaIy
1,73410⁶ mm⁴
Elastic section modulusSy
7,73910³ mm³
Plastic section modulusZy
11,96210³ mm³
Radius of gyrationry
117.2mm

Torsion and stability

Torsional constantJ
482,08010³ mm⁴
Warping constantCw
81,52710⁹ mm⁶

Equivalents in other standards