IR – wide flange (ASTM A6 W)
IR 530x123
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 544mm
- Flange widthbf
- 212mm
- Web thicknesstw
- 13.1mm
- Flange thicknesstf
- 21.2mm
- Distance k (design)kdes
- 34mm
- Distance k (detailing)kdet
- 38.1mm
- Distance k1k1
- 22.2mm
- Web clear depthT
- 467mm
- Distance between flange centroidsho
- 523mm
Mass and area
- Mass per lengthm
- 123kg/m
- Cross-sectional areaA
- 15,700mm²
Strong axis x–x
- Moment of inertiaIx
- 76210⁶ mm⁴
- Elastic section modulusSx
- 2,80010³ mm³
- Plastic section modulusZx
- 3,21010³ mm³
- Radius of gyrationrx
- 220mm
Weak axis y–y
- Moment of inertiaIy
- 33.910⁶ mm⁴
- Elastic section modulusSy
- 32010³ mm³
- Plastic section modulusZy
- 50010³ mm³
- Radius of gyrationry
- 46.5mm
Torsion and stability
- Torsional constantJ
- 1,81010³ mm⁴
- Warping constantCw
- 2,32010⁹ mm⁶
- Effective radius of gyrationrts
- 56.1mm
Slenderness ratios
- Flange slendernessbf/2tf
- 5
- Web slendernessh/tw
- 36.4