PFC – parallel-flange channels

230x75x26

Standard: BS 4-1:2005Source: Primary geometry (h, b, tw, tf, r) — calculated properties (exact engine)
Range derived from BS 4-1; to be confirmed with the SAISC Red Book.
xybf = 75d = 230tf = 12.5tf = 12.5tw = 6.5tw = 6.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
230mm
Flange widthbf
75mm
Web thicknesstw
6.5mm
Flange thicknesstf
12.5mm
Root radiusr
12mm

Mass and area

Mass per lengthm
25.66kg/m
Cross-sectional areaA
3,269mm²
Outside perimeterP
736.7mm

Strong axis x–x

Moment of inertiaIx
27.4810⁶ mm⁴
Elastic section modulusSx
23910³ mm³
Plastic section modulusZx
278.410³ mm³
Radius of gyrationrx
91.68mm

Weak axis y–y

Moment of inertiaIy
1.8110⁶ mm⁴
Elastic section modulusSy
34.8110³ mm³
Plastic section modulusZy
63.1810³ mm³
Radius of gyrationry
23.53mm

Torsion and stability

Torsional constantJ
118.210³ mm⁴

Centers

Centroidx̄
23.01mm

Equivalents in other standards