UB – universal beams

457x152x82

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 = 155.3d = 465.8tf = 18.9tf = 18.9tw = 10.5tw = 10.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
465.8mm
Flange widthbf
155.3mm
Web thicknesstw
10.5mm
Flange thicknesstf
18.9mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
82.06kg/m
Cross-sectional areaA
10,454mm²
Outside perimeterP
1,514mm

Strong axis x–x

Moment of inertiaIx
365.910⁶ mm⁴
Elastic section modulusSx
1,57110³ mm³
Plastic section modulusZx
1,81110³ mm³
Radius of gyrationrx
187.1mm

Weak axis y–y

Moment of inertiaIy
11.8510⁶ mm⁴
Elastic section modulusSy
152.510³ mm³
Plastic section modulusZy
240.410³ mm³
Radius of gyrationry
33.66mm

Torsion and stability

Torsional constantJ
896.510³ mm⁴
Warping constantCw
589.110⁹ mm⁶

Equivalents in other standards