IR – wide flange (ASTM A6 W)
IR 310x454
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 414mm
- Flange widthbf
- 335mm
- Web thicknesstw
- 41.4mm
- Flange thicknesstf
- 68.8mm
- Distance k (design)kdes
- 83.8mm
- Distance k (detailing)kdet
- 92.1mm
- Distance k1k1
- 41.3mm
- Web clear depthT
- 232mm
- Distance between flange centroidsho
- 345mm
Mass and area
- Mass per lengthm
- 454kg/m
- Cross-sectional areaA
- 57,700mm²
Strong axis x–x
- Moment of inertiaIx
- 1,48010⁶ mm⁴
- Elastic section modulusSx
- 7,13010³ mm³
- Plastic section modulusZx
- 8,80010³ mm³
- Radius of gyrationrx
- 160mm
Weak axis y–y
- Moment of inertiaIy
- 43710⁶ mm⁴
- Elastic section modulusSy
- 2,61010³ mm³
- Plastic section modulusZy
- 4,00010³ mm³
- Radius of gyrationry
- 86.9mm
Torsion and stability
- Torsional constantJ
- 77,00010³ mm⁴
- Warping constantCw
- 13,10010⁹ mm⁶
- Effective radius of gyrationrts
- 103mm
Slenderness ratios
- Flange slendernessbf/2tf
- 2.45
- Web slendernessh/tw
- 5.98