IR – wide flange (ASTM A6 W)
IR 150x22.5
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 152mm
- Flange widthbf
- 152mm
- Web thicknesstw
- 5.84mm
- Flange thicknesstf
- 6.6mm
- Distance k (design)kdes
- 13mm
- Distance k (detailing)kdet
- 19.1mm
- Distance k1k1
- 14.3mm
- Web clear depthT
- 114mm
- Distance between flange centroidsho
- 146mm
Mass and area
- Mass per lengthm
- 22.5kg/m
- Cross-sectional areaA
- 2,860mm²
Strong axis x–x
- Moment of inertiaIx
- 12.110⁶ mm⁴
- Elastic section modulusSx
- 15910³ mm³
- Plastic section modulusZx
- 17710³ mm³
- Radius of gyrationrx
- 65mm
Weak axis y–y
- Moment of inertiaIy
- 3.8810⁶ mm⁴
- Elastic section modulusSy
- 5110³ mm³
- Plastic section modulusZy
- 77.810³ mm³
- Radius of gyrationry
- 36.8mm
Torsion and stability
- Torsional constantJ
- 4210³ mm⁴
- Warping constantCw
- 20.510⁹ mm⁶
- Effective radius of gyrationrts
- 42.2mm
Slenderness ratios
- Flange slendernessbf/2tf
- 11.5
- Web slendernessh/tw
- 21.6