PFC – parallel-flange channels

260x90x35

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
xybf = 90d = 260tf = 14tf = 14tw = 8tw = 8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
260mm
Flange widthbf
90mm
Web thicknesstw
8mm
Flange thicknesstf
14mm
Root radiusr
12mm

Mass and area

Mass per lengthm
34.84kg/m
Cross-sectional areaA
4,438mm²
Outside perimeterP
853.7mm

Strong axis x–x

Moment of inertiaIx
47.2910⁶ mm⁴
Elastic section modulusSx
363.710³ mm³
Plastic section modulusZx
424.610³ mm³
Radius of gyrationrx
103.2mm

Weak axis y–y

Moment of inertiaIy
3.52510⁶ mm⁴
Elastic section modulusSy
56.2910³ mm³
Plastic section modulusZy
102.210³ mm³
Radius of gyrationry
28.18mm

Torsion and stability

Torsional constantJ
205.710³ mm⁴

Centers

Centroidx̄
27.37mm

Equivalents in other standards