IR – wide flange (ASTM A6 W)
IR 360x162
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 363mm
- Flange widthbf
- 371mm
- Web thicknesstw
- 13.3mm
- Flange thicknesstf
- 21.8mm
- Distance k (design)kdes
- 37.1mm
- Distance k (detailing)kdet
- 55.6mm
- Distance k1k1
- 38.1mm
- Web clear depthT
- 254mm
- Distance between flange centroidsho
- 340mm
Mass and area
- Mass per lengthm
- 162kg/m
- Cross-sectional areaA
- 20,600mm²
Strong axis x–x
- Moment of inertiaIx
- 51610⁶ mm⁴
- Elastic section modulusSx
- 2,83010³ mm³
- Plastic section modulusZx
- 3,15010³ mm³
- Radius of gyrationrx
- 158mm
Weak axis y–y
- Moment of inertiaIy
- 18610⁶ mm⁴
- Elastic section modulusSy
- 1,00010³ mm³
- Plastic section modulusZy
- 1,52010³ mm³
- Radius of gyrationry
- 94.7mm
Torsion and stability
- Torsional constantJ
- 2,96010³ mm⁴
- Warping constantCw
- 5,42010⁹ mm⁶
- Effective radius of gyrationrts
- 106mm
Slenderness ratios
- Flange slendernessbf/2tf
- 8.49
- Web slendernessh/tw
- 21.7