UB – universal beams

533x210x122

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 = 211.9d = 544.5tf = 21.3tf = 21.3tw = 12.7tw = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
544.5mm
Flange widthbf
211.9mm
Web thicknesstw
12.7mm
Flange thicknesstf
21.3mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
122kg/m
Cross-sectional areaA
15,540mm²
Outside perimeterP
1,889mm

Strong axis x–x

Moment of inertiaIx
760.410⁶ mm⁴
Elastic section modulusSx
2,79310³ mm³
Plastic section modulusZx
3,19610³ mm³
Radius of gyrationrx
221.2mm

Weak axis y–y

Moment of inertiaIy
33.8810⁶ mm⁴
Elastic section modulusSy
319.710³ mm³
Plastic section modulusZy
499.710³ mm³
Radius of gyrationry
46.69mm

Torsion and stability

Torsional constantJ
1,79610³ mm⁴
Warping constantCw
2,31210⁹ mm⁶

Equivalents in other standards