UC – universal columns

356x406x393

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 = 407d = 419tf = 49.2tf = 49.2tw = 30.6tw = 30.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
419mm
Flange widthbf
407mm
Web thicknesstw
30.6mm
Flange thicknesstf
49.2mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
393kg/m
Cross-sectional areaA
50,058mm²
Outside perimeterP
2,379mm

Strong axis x–x

Moment of inertiaIx
1,46610⁶ mm⁴
Elastic section modulusSx
6,99810³ mm³
Plastic section modulusZx
8,22210³ mm³
Radius of gyrationrx
171.1mm

Weak axis y–y

Moment of inertiaIy
553.710⁶ mm⁴
Elastic section modulusSy
2,72110³ mm³
Plastic section modulusZy
4,15410³ mm³
Radius of gyrationry
105.2mm

Torsion and stability

Torsional constantJ
35,92310³ mm⁴
Warping constantCw
18,90010⁹ mm⁶

Equivalents in other standards