UB – universal beams

610x305x179

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 = 307.1d = 620.2tf = 23.6tf = 23.6tw = 14.1tw = 14.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
620.2mm
Flange widthbf
307.1mm
Web thicknesstw
14.1mm
Flange thicknesstf
23.6mm
Root radiusr
16.5mm

Mass and area

Mass per lengthm
179kg/m
Cross-sectional areaA
22,808mm²
Outside perimeterP
2,412mm

Strong axis x–x

Moment of inertiaIx
1,53010⁶ mm⁴
Elastic section modulusSx
4,93510³ mm³
Plastic section modulusZx
5,54710³ mm³
Radius of gyrationrx
259mm

Weak axis y–y

Moment of inertiaIy
114.110⁶ mm⁴
Elastic section modulusSy
74310³ mm³
Plastic section modulusZy
1,14410³ mm³
Radius of gyrationry
70.72mm

Torsion and stability

Torsional constantJ
3,41610³ mm⁴
Warping constantCw
10,13710⁹ mm⁶

Equivalents in other standards