IR – wide flange (ASTM A6 W)
IR 460x82
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 460mm
- Flange widthbf
- 191mm
- Web thicknesstw
- 9.91mm
- Flange thicknesstf
- 16mm
- Distance k (design)kdes
- 26.2mm
- Distance k (detailing)kdet
- 33.3mm
- Distance k1k1
- 20.6mm
- Web clear depthT
- 394mm
- Distance between flange centroidsho
- 444mm
Mass and area
- Mass per lengthm
- 82kg/m
- Cross-sectional areaA
- 10,500mm²
Strong axis x–x
- Moment of inertiaIx
- 37010⁶ mm⁴
- Elastic section modulusSx
- 1,61010³ mm³
- Plastic section modulusZx
- 1,84010³ mm³
- Radius of gyrationrx
- 188mm
Weak axis y–y
- Moment of inertiaIy
- 18.710⁶ mm⁴
- Elastic section modulusSy
- 19510³ mm³
- Plastic section modulusZy
- 30310³ mm³
- Radius of gyrationry
- 42.4mm
Torsion and stability
- Torsional constantJ
- 69110³ mm⁴
- Warping constantCw
- 92110⁹ mm⁶
- Effective radius of gyrationrts
- 50.8mm
Slenderness ratios
- Flange slendernessbf/2tf
- 5.98
- Web slendernessh/tw
- 41.1