PFC – parallel-flange channels

150x75x18

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 = 75d = 150tf = 10tf = 10tw = 5.5tw = 5.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
150mm
Flange widthbf
75mm
Web thicknesstw
5.5mm
Flange thicknesstf
10mm
Root radiusr
12mm

Mass and area

Mass per lengthm
17.87kg/m
Cross-sectional areaA
2,277mm²
Outside perimeterP
578.7mm

Strong axis x–x

Moment of inertiaIx
8.6110⁶ mm⁴
Elastic section modulusSx
114.810³ mm³
Plastic section modulusZx
132.110³ mm³
Radius of gyrationrx
61.49mm

Weak axis y–y

Moment of inertiaIy
1.3110⁶ mm⁴
Elastic section modulusSy
26.6110³ mm³
Plastic section modulusZy
47.2410³ mm³
Radius of gyrationry
23.98mm

Torsion and stability

Torsional constantJ
60.9910³ mm⁴

Centers

Centroidx̄
25.79mm

Equivalents in other standards