IR – wide flange (ASTM A6 W)
IR 530x165
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 546mm
- Flange widthbf
- 312mm
- Web thicknesstw
- 14mm
- Flange thicknesstf
- 22.2mm
- Distance k (design)kdes
- 35.1mm
- Distance k (detailing)kdet
- 54mm
- Distance k1k1
- 38.1mm
- Web clear depthT
- 438mm
- Distance between flange centroidsho
- 523mm
Mass and area
- Mass per lengthm
- 165kg/m
- Cross-sectional areaA
- 21,000mm²
Strong axis x–x
- Moment of inertiaIx
- 1,11010⁶ mm⁴
- Elastic section modulusSx
- 4,08010³ mm³
- Plastic section modulusZx
- 4,57010³ mm³
- Radius of gyrationrx
- 230mm
Weak axis y–y
- Moment of inertiaIy
- 11410⁶ mm⁴
- Elastic section modulusSy
- 72910³ mm³
- Plastic section modulusZy
- 1,12010³ mm³
- Radius of gyrationry
- 73.7mm
Torsion and stability
- Torsional constantJ
- 2,84010³ mm⁴
- Warping constantCw
- 7,84010⁹ mm⁶
- Effective radius of gyrationrts
- 85.6mm
Slenderness ratios
- Flange slendernessbf/2tf
- 7.05
- Web slendernessh/tw
- 34.1