UC – universal columns

203x203x71

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 = 206.4d = 215.8tf = 17.3tf = 17.3tw = 10tw = 10
Cross-section, to scaledimensions in mm

Dimensions

Depthd
215.8mm
Flange widthbf
206.4mm
Web thicknesstw
10mm
Flange thicknesstf
17.3mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
70.99kg/m
Cross-sectional areaA
9,043mm²
Outside perimeterP
1,220mm

Strong axis x–x

Moment of inertiaIx
76.1810⁶ mm⁴
Elastic section modulusSx
70610³ mm³
Plastic section modulusZx
798.810³ mm³
Radius of gyrationrx
91.78mm

Weak axis y–y

Moment of inertiaIy
25.3710⁶ mm⁴
Elastic section modulusSy
245.910³ mm³
Plastic section modulusZy
373.710³ mm³
Radius of gyrationry
52.97mm

Torsion and stability

Torsional constantJ
806.310³ mm⁴
Warping constantCw
249.710⁹ mm⁶

Equivalents in other standards