UB – universal beams

533x312x182

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 = 314.5d = 550.7tf = 24.4tf = 24.4tw = 15.2tw = 15.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
550.7mm
Flange widthbf
314.5mm
Web thicknesstw
15.2mm
Flange thicknesstf
24.4mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
181.5kg/m
Cross-sectional areaA
23,115mm²
Outside perimeterP
2,307mm

Strong axis x–x

Moment of inertiaIx
1,23210⁶ mm⁴
Elastic section modulusSx
4,47510³ mm³
Plastic section modulusZx
5,03010³ mm³
Radius of gyrationrx
230.9mm

Weak axis y–y

Moment of inertiaIy
126.710⁶ mm⁴
Elastic section modulusSy
805.510³ mm³
Plastic section modulusZy
1,23710³ mm³
Radius of gyrationry
74.03mm

Torsion and stability

Torsional constantJ
3,76410³ mm⁴
Warping constantCw
8,76010⁹ mm⁶

Equivalents in other standards