UB – universal beams

838x292x226

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 = 293.8d = 850.9tf = 26.8tf = 26.8tw = 16.1tw = 16.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
850.9mm
Flange widthbf
293.8mm
Web thicknesstw
16.1mm
Flange thicknesstf
26.8mm
Root radiusr
17.8mm

Mass and area

Mass per lengthm
226.5kg/m
Cross-sectional areaA
28,856mm²
Outside perimeterP
2,814mm

Strong axis x–x

Moment of inertiaIx
3,39710⁶ mm⁴
Elastic section modulusSx
7,98510³ mm³
Plastic section modulusZx
9,15510³ mm³
Radius of gyrationrx
343.1mm

Weak axis y–y

Moment of inertiaIy
113.610⁶ mm⁴
Elastic section modulusSy
773.310³ mm³
Plastic section modulusZy
1,21210³ mm³
Radius of gyrationry
62.74mm

Torsion and stability

Torsional constantJ
5,16510³ mm⁴
Warping constantCw
19,23310⁹ mm⁶

Equivalents in other standards