IR – wide flange (ASTM A6 W)
IR 530x196
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 554mm
- Flange widthbf
- 315mm
- Web thicknesstw
- 16.5mm
- Flange thicknesstf
- 26.4mm
- Distance k (design)kdes
- 39.1mm
- Distance k (detailing)kdet
- 57.2mm
- Distance k1k1
- 39.7mm
- Web clear depthT
- 438mm
- Distance between flange centroidsho
- 528mm
Mass and area
- Mass per lengthm
- 196kg/m
- Cross-sectional areaA
- 25,000mm²
Strong axis x–x
- Moment of inertiaIx
- 1,34010⁶ mm⁴
- Elastic section modulusSx
- 4,83010³ mm³
- Plastic section modulusZx
- 5,46010³ mm³
- Radius of gyrationrx
- 232mm
Weak axis y–y
- Moment of inertiaIy
- 13910⁶ mm⁴
- Elastic section modulusSy
- 87710³ mm³
- Plastic section modulusZy
- 1,35010³ mm³
- Radius of gyrationry
- 74.4mm
Torsion and stability
- Torsional constantJ
- 4,70010³ mm⁴
- Warping constantCw
- 9,67010⁹ mm⁶
- Effective radius of gyrationrts
- 87.1mm
Slenderness ratios
- Flange slendernessbf/2tf
- 6.01
- Web slendernessh/tw
- 28.9