UB – universal beams

914x305x289

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 307.7d = 926.6tf = 32tf = 32tw = 19.5tw = 19.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
926.6mm
Flange widthbf
307.7mm
Web thicknesstw
19.5mm
Flange thicknesstf
32mm
Root radiusr
19.1mm

Mass and area

Mass per lengthm
289.1kg/m
Cross-sectional areaA
36,827mm²
Outside perimeterP
3,012mm

Strong axis x–x

Moment of inertiaIx
5,04210⁶ mm⁴
Elastic section modulusSx
10,88310³ mm³
Plastic section modulusZx
12,57010³ mm³
Radius of gyrationrx
370mm

Weak axis y–y

Moment of inertiaIy
15610⁶ mm⁴
Elastic section modulusSy
1,01410³ mm³
Plastic section modulusZy
1,60110³ mm³
Radius of gyrationry
65.08mm

Torsion and stability

Torsional constantJ
9,33610³ mm⁴
Warping constantCw
31,08710⁹ mm⁶

Equivalents in other standards