PFC – parallel-flange channels

100x50x10

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xybf = 50d = 100tf = 8.5tf = 8.5tw = 5tw = 5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
100mm
Flange widthbf
50mm
Web thicknesstw
5mm
Flange thicknesstf
8.5mm
Root radiusr
9mm

Mass and area

Mass per lengthm
10.2kg/m
Cross-sectional areaA
1,300mm²
Outside perimeterP
382.3mm

Strong axis x–x

Moment of inertiaIx
2.07710⁶ mm⁴
Elastic section modulusSx
41.5410³ mm³
Plastic section modulusZx
48.8710³ mm³
Radius of gyrationrx
39.97mm

Weak axis y–y

Moment of inertiaIy
0.32310⁶ mm⁴
Elastic section modulusSy
9.88910³ mm³
Plastic section modulusZy
17.6110³ mm³
Radius of gyrationry
15.76mm

Torsion and stability

Torsional constantJ
25.2910³ mm⁴

Centers

Centroidx̄
17.33mm

Equivalents in other standards