IR – wide flange (ASTM A6 W)
IR 460x89
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 462mm
- Flange widthbf
- 192mm
- Web thicknesstw
- 10.5mm
- Flange thicknesstf
- 17.7mm
- Distance k (design)kdes
- 27.9mm
- Distance k (detailing)kdet
- 34.9mm
- Distance k1k1
- 20.6mm
- Web clear depthT
- 394mm
- Distance between flange centroidsho
- 444mm
Mass and area
- Mass per lengthm
- 89kg/m
- Cross-sectional areaA
- 11,400mm²
Strong axis x–x
- Moment of inertiaIx
- 41010⁶ mm⁴
- Elastic section modulusSx
- 1,77010³ mm³
- Plastic section modulusZx
- 2,02010³ mm³
- Radius of gyrationrx
- 190mm
Weak axis y–y
- Moment of inertiaIy
- 20.910⁶ mm⁴
- Elastic section modulusSy
- 21810³ mm³
- Plastic section modulusZy
- 33810³ mm³
- Radius of gyrationry
- 42.7mm
Torsion and stability
- Torsional constantJ
- 90310³ mm⁴
- Warping constantCw
- 1,03010⁹ mm⁶
- Effective radius of gyrationrts
- 51.3mm
Slenderness ratios
- Flange slendernessbf/2tf
- 5.44
- Web slendernessh/tw
- 38.7