UB – universal beams

533x312x219

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 = 317.4d = 560.3tf = 29.2tf = 29.2tw = 18.3tw = 18.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
560.3mm
Flange widthbf
317.4mm
Web thicknesstw
18.3mm
Flange thicknesstf
29.2mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
218.7kg/m
Cross-sectional areaA
27,859mm²
Outside perimeterP
2,332mm

Strong axis x–x

Moment of inertiaIx
1,51010⁶ mm⁴
Elastic section modulusSx
5,38910³ mm³
Plastic section modulusZx
6,10910³ mm³
Radius of gyrationrx
232.8mm

Weak axis y–y

Moment of inertiaIy
155.910⁶ mm⁴
Elastic section modulusSy
982.310³ mm³
Plastic section modulusZy
1,51510³ mm³
Radius of gyrationry
74.8mm

Torsion and stability

Torsional constantJ
6,47810³ mm⁴
Warping constantCw
10,97410⁹ mm⁶

Equivalents in other standards