UC – universal columns

305x305x97

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 = 305.3d = 307.9tf = 15.4tf = 15.4tw = 9.9tw = 9.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
307.9mm
Flange widthbf
305.3mm
Web thicknesstw
9.9mm
Flange thicknesstf
15.4mm
Root radiusr
15.2mm

Mass and area

Mass per lengthm
96.91kg/m
Cross-sectional areaA
12,345mm²
Outside perimeterP
1,791mm

Strong axis x–x

Moment of inertiaIx
222.510⁶ mm⁴
Elastic section modulusSx
1,44510³ mm³
Plastic section modulusZx
1,59210³ mm³
Radius of gyrationrx
134.2mm

Weak axis y–y

Moment of inertiaIy
73.0810⁶ mm⁴
Elastic section modulusSy
478.710³ mm³
Plastic section modulusZy
726.110³ mm³
Radius of gyrationry
76.94mm

Torsion and stability

Torsional constantJ
91810³ mm⁴
Warping constantCw
1,56210⁹ mm⁶

Equivalents in other standards