UB – universal beams

838x292x194

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 = 292.4d = 840.7tf = 21.7tf = 21.7tw = 14.7tw = 14.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
840.7mm
Flange widthbf
292.4mm
Web thicknesstw
14.7mm
Flange thicknesstf
21.7mm
Root radiusr
17.8mm

Mass and area

Mass per lengthm
193.8kg/m
Cross-sectional areaA
24,682mm²
Outside perimeterP
2,791mm

Strong axis x–x

Moment of inertiaIx
2,79210⁶ mm⁴
Elastic section modulusSx
6,64210³ mm³
Plastic section modulusZx
7,64010³ mm³
Radius of gyrationrx
336.3mm

Weak axis y–y

Moment of inertiaIy
90.6610⁶ mm⁴
Elastic section modulusSy
620.110³ mm³
Plastic section modulusZy
973.810³ mm³
Radius of gyrationry
60.61mm

Torsion and stability

Torsional constantJ
3,09610³ mm⁴
Warping constantCw
15,16210⁹ mm⁶

Equivalents in other standards