UB – universal beams

457x191x82

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 191.3d = 460tf = 16tf = 16tw = 9.9tw = 9.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
460mm
Flange widthbf
191.3mm
Web thicknesstw
9.9mm
Flange thicknesstf
16mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
82.02kg/m
Cross-sectional areaA
10,448mm²
Outside perimeterP
1,648mm

Strong axis x–x

Moment of inertiaIx
370.510⁶ mm⁴
Elastic section modulusSx
1,61110³ mm³
Plastic section modulusZx
1,83110³ mm³
Radius of gyrationrx
188.3mm

Weak axis y–y

Moment of inertiaIy
18.7110⁶ mm⁴
Elastic section modulusSy
195.610³ mm³
Plastic section modulusZy
303.910³ mm³
Radius of gyrationry
42.32mm

Torsion and stability

Torsional constantJ
697.210³ mm⁴
Warping constantCw
920.110⁹ mm⁶

Equivalents in other standards