UB – universal beams

838x292x176

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 = 291.7d = 834.9tf = 18.8tf = 18.8tw = 14tw = 14
Cross-section, to scaledimensions in mm

Dimensions

Depthd
834.9mm
Flange widthbf
291.7mm
Web thicknesstw
14mm
Flange thicknesstf
18.8mm
Root radiusr
17.8mm

Mass and area

Mass per lengthm
175.9kg/m
Cross-sectional areaA
22,402mm²
Outside perimeterP
2,778mm

Strong axis x–x

Moment of inertiaIx
2,46010⁶ mm⁴
Elastic section modulusSx
5,89310³ mm³
Plastic section modulusZx
6,80810³ mm³
Radius of gyrationrx
331.4mm

Weak axis y–y

Moment of inertiaIy
77.9910⁶ mm⁴
Elastic section modulusSy
534.710³ mm³
Plastic section modulusZy
841.910³ mm³
Radius of gyrationry
59mm

Torsion and stability

Torsional constantJ
2,26210³ mm⁴
Warping constantCw
12,94910⁹ mm⁶

Equivalents in other standards