UB – universal beams

457x191x133

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 = 196.7d = 480.6tf = 26.3tf = 26.3tw = 15.3tw = 15.3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
480.6mm
Flange widthbf
196.7mm
Web thicknesstw
15.3mm
Flange thicknesstf
26.3mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
133.3kg/m
Cross-sectional areaA
16,984mm²
Outside perimeterP
1,700mm

Strong axis x–x

Moment of inertiaIx
638.410⁶ mm⁴
Elastic section modulusSx
2,65710³ mm³
Plastic section modulusZx
3,07010³ mm³
Radius of gyrationrx
193.9mm

Weak axis y–y

Moment of inertiaIy
33.510⁶ mm⁴
Elastic section modulusSy
340.610³ mm³
Plastic section modulusZy
534.710³ mm³
Radius of gyrationry
44.41mm

Torsion and stability

Torsional constantJ
2,95310³ mm⁴
Warping constantCw
1,72110⁹ mm⁶

Equivalents in other standards