PFC – parallel-flange channels

300x90x41

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 90d = 300tf = 15.5tf = 15.5tw = 9tw = 9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
300mm
Flange widthbf
90mm
Web thicknesstw
9mm
Flange thicknesstf
15.5mm
Root radiusr
12mm

Mass and area

Mass per lengthm
41.39kg/m
Cross-sectional areaA
5,273mm²
Outside perimeterP
931.7mm

Strong axis x–x

Moment of inertiaIx
72.1810⁶ mm⁴
Elastic section modulusSx
481.210³ mm³
Plastic section modulusZx
567.810³ mm³
Radius of gyrationrx
117mm

Weak axis y–y

Moment of inertiaIy
4.03910⁶ mm⁴
Elastic section modulusSy
63.1210³ mm³
Plastic section modulusZy
11410³ mm³
Radius of gyrationry
27.68mm

Torsion and stability

Torsional constantJ
287.710³ mm⁴

Centers

Centroidx̄
26.01mm

Equivalents in other standards