UB – universal beams

533x312x151

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 = 312d = 542.5tf = 20.3tf = 20.3tw = 12.7tw = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
542.5mm
Flange widthbf
312mm
Web thicknesstw
12.7mm
Flange thicknesstf
20.3mm
Root radiusr
12.7mm

Mass and area

Mass per lengthm
150.6kg/m
Cross-sectional areaA
19,180mm²
Outside perimeterP
2,286mm

Strong axis x–x

Moment of inertiaIx
1,00610⁶ mm⁴
Elastic section modulusSx
3,71010³ mm³
Plastic section modulusZx
4,14210³ mm³
Radius of gyrationrx
229.1mm

Weak axis y–y

Moment of inertiaIy
102.910⁶ mm⁴
Elastic section modulusSy
659.310³ mm³
Plastic section modulusZy
1,01010³ mm³
Radius of gyrationry
73.23mm

Torsion and stability

Torsional constantJ
2,17710³ mm⁴
Warping constantCw
7,00510⁹ mm⁶

Equivalents in other standards