PFC – parallel-flange channels

75PFC5.92

Standard: AS/NZS 3679.1Source: InfraBuild dimensions, Hot Rolled & Structural Steel Products (ed. 9) — calculated properties
Published area (Ag) shown as a check: difference < 1.5% on every section.
xybf = 40d = 75tf = 6.1tf = 6.1tw = 3.8tw = 3.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
75mm
Flange widthbf
40mm
Web thicknesstw
3.8mm
Flange thicknesstf
6.1mm
Root radiusr
8mm

Mass and area

Mass per lengthm
5.92kg/m
Cross-sectional areaA
754.1mm²
Published area (standard)A pub.
754mm²
Outside perimeterP
295.5mm

Strong axis x–x

Moment of inertiaIx
0.683310⁶ mm⁴
Elastic section modulusSx
18.2210³ mm³
Plastic section modulusZx
21.3710³ mm³
Radius of gyrationrx
30.1mm

Weak axis y–y

Moment of inertiaIy
0.119810⁶ mm⁴
Elastic section modulusSy
4.56410³ mm³
Plastic section modulusZy
8.14510³ mm³
Radius of gyrationry
12.61mm

Torsion and stability

Torsional constantJ
8.12910³ mm⁴

Centers

Centroidx̄
13.75mm

Equivalents in other standards