UB – universal beams

533x210x138

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xybf = 213.9d = 549.1tf = 23.6tf = 23.6tw = 14.7tw = 14.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
549.1mm
Flange widthbf
213.9mm
Web thicknesstw
14.7mm
Flange thicknesstf
23.6mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
138.3kg/m
Cross-sectional areaA
17,613mm²
Outside perimeterP
1,903mm

Strong axis x–x

Moment of inertiaIx
860.910⁶ mm⁴
Elastic section modulusSx
3,13610³ mm³
Plastic section modulusZx
3,61310³ mm³
Radius of gyrationrx
221.1mm

Weak axis y–y

Moment of inertiaIy
38.6410⁶ mm⁴
Elastic section modulusSy
361.310³ mm³
Plastic section modulusZy
568.410³ mm³
Radius of gyrationry
46.84mm

Torsion and stability

Torsional constantJ
2,52910³ mm⁴
Warping constantCw
2,65810⁹ mm⁶

Equivalents in other standards