PFC – parallel-flange channels

380x100x54

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 = 100d = 380tf = 17.5tf = 17.5tw = 9.5tw = 9.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
380mm
Flange widthbf
100mm
Web thicknesstw
9.5mm
Flange thicknesstf
17.5mm
Root radiusr
15mm

Mass and area

Mass per lengthm
53.96kg/m
Cross-sectional areaA
6,874mm²
Outside perimeterP
1,128mm

Strong axis x–x

Moment of inertiaIx
150.310⁶ mm⁴
Elastic section modulusSx
791.310³ mm³
Plastic section modulusZx
933.410³ mm³
Radius of gyrationrx
147.9mm

Weak axis y–y

Moment of inertiaIy
6.4310⁶ mm⁴
Elastic section modulusSy
89.1810³ mm³
Plastic section modulusZy
160.710³ mm³
Radius of gyrationry
30.58mm

Torsion and stability

Torsional constantJ
456.610³ mm⁴

Centers

Centroidx̄
27.9mm

Equivalents in other standards