UB – universal beams

457x191x74

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 = 190.4d = 457tf = 14.5tf = 14.5tw = 9tw = 9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
457mm
Flange widthbf
190.4mm
Web thicknesstw
9mm
Flange thicknesstf
14.5mm
Root radiusr
10.2mm

Mass and area

Mass per lengthm
74.28kg/m
Cross-sectional areaA
9,463mm²
Outside perimeterP
1,640mm

Strong axis x–x

Moment of inertiaIx
333.210⁶ mm⁴
Elastic section modulusSx
1,45810³ mm³
Plastic section modulusZx
1,65310³ mm³
Radius of gyrationrx
187.6mm

Weak axis y–y

Moment of inertiaIy
16.7110⁶ mm⁴
Elastic section modulusSy
175.510³ mm³
Plastic section modulusZy
272.110³ mm³
Radius of gyrationry
42.02mm

Torsion and stability

Torsional constantJ
521.410³ mm⁴
Warping constantCw
816.610⁹ mm⁶

Equivalents in other standards