PFC – parallel-flange channels

125PFC11.9

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 = 65d = 125tf = 7.5tf = 7.5tw = 4.7tw = 4.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
125mm
Flange widthbf
65mm
Web thicknesstw
4.7mm
Flange thicknesstf
7.5mm
Root radiusr
8mm

Mass and area

Mass per lengthm
11.93kg/m
Cross-sectional areaA
1,519mm²
Published area (standard)A pub.
1,520mm²
Outside perimeterP
493.7mm

Strong axis x–x

Moment of inertiaIx
3.96910⁶ mm⁴
Elastic section modulusSx
63.510³ mm³
Plastic section modulusZx
72.9610³ mm³
Radius of gyrationrx
51.11mm

Weak axis y–y

Moment of inertiaIy
0.657910⁶ mm⁴
Elastic section modulusSy
15.2210³ mm³
Plastic section modulusZy
27.2110³ mm³
Radius of gyrationry
20.81mm

Torsion and stability

Torsional constantJ
23.1210³ mm⁴

Centers

Centroidx̄
21.77mm

Equivalents in other standards