UC – universal columns

203x203x127

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 = 213.9d = 241.4tf = 30.1tf = 30.1tw = 18.1tw = 18.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
241.4mm
Flange widthbf
213.9mm
Web thicknesstw
18.1mm
Flange thicknesstf
30.1mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
127.5kg/m
Cross-sectional areaA
16,246mm²
Outside perimeterP
1,285mm

Strong axis x–x

Moment of inertiaIx
154.410⁶ mm⁴
Elastic section modulusSx
1,27910³ mm³
Plastic section modulusZx
1,51710³ mm³
Radius of gyrationrx
97.48mm

Weak axis y–y

Moment of inertiaIy
49.210⁶ mm⁴
Elastic section modulusSy
46010³ mm³
Plastic section modulusZy
704.410³ mm³
Radius of gyrationry
55.03mm

Torsion and stability

Torsional constantJ
4,32510³ mm⁴
Warping constantCw
54810⁹ mm⁶

Equivalents in other standards