UB – universal beams

914x305x576

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 = 322d = 993tf = 65tf = 65tw = 36.1tw = 36.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
993mm
Flange widthbf
322mm
Web thicknesstw
36.1mm
Flange thicknesstf
65mm
Root radiusr
19mm

Mass and area

Mass per lengthm
575.6kg/m
Cross-sectional areaA
73,324mm²
Outside perimeterP
3,169mm

Strong axis x–x

Moment of inertiaIx
11,01710⁶ mm⁴
Elastic section modulusSx
22,19010³ mm³
Plastic section modulusZx
26,27710³ mm³
Radius of gyrationrx
387.6mm

Weak axis y–y

Moment of inertiaIy
365.210⁶ mm⁴
Elastic section modulusSy
2,26810³ mm³
Plastic section modulusZy
3,65810³ mm³
Radius of gyrationry
70.58mm

Torsion and stability

Torsional constantJ
72,27410³ mm⁴
Warping constantCw
77,86910⁹ mm⁶

Equivalents in other standards