IR – wide flange (ASTM A6 W)
IR 200x52
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 206mm
- Flange widthbf
- 204mm
- Web thicknesstw
- 7.87mm
- Flange thicknesstf
- 12.6mm
- Distance k (design)kdes
- 22.6mm
- Distance k (detailing)kdet
- 30.2mm
- Distance k1k1
- 20.6mm
- Web clear depthT
- 146mm
- Distance between flange centroidsho
- 194mm
Mass and area
- Mass per lengthm
- 52kg/m
- Cross-sectional areaA
- 6,650mm²
Strong axis x–x
- Moment of inertiaIx
- 52.910⁶ mm⁴
- Elastic section modulusSx
- 51110³ mm³
- Plastic section modulusZx
- 56910³ mm³
- Radius of gyrationrx
- 89.2mm
Weak axis y–y
- Moment of inertiaIy
- 17.710⁶ mm⁴
- Elastic section modulusSy
- 17410³ mm³
- Plastic section modulusZy
- 26410³ mm³
- Radius of gyrationry
- 51.6mm
Torsion and stability
- Torsional constantJ
- 32010³ mm⁴
- Warping constantCw
- 16610⁹ mm⁶
- Effective radius of gyrationrts
- 57.9mm
Slenderness ratios
- Flange slendernessbf/2tf
- 8.1
- Web slendernessh/tw
- 20.5