PFC – parallel-flange channels
75PFC5.92
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
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