IR – wide flange (ASTM A6 W)
IR 610x113
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 607mm
- Flange widthbf
- 228mm
- Web thicknesstw
- 11.2mm
- Flange thicknesstf
- 17.3mm
- Distance k (design)kdes
- 30mm
- Distance k (detailing)kdet
- 49.2mm
- Distance k1k1
- 36.5mm
- Web clear depthT
- 508mm
- Distance between flange centroidsho
- 589mm
Mass and area
- Mass per lengthm
- 113kg/m
- Cross-sectional areaA
- 14,500mm²
Strong axis x–x
- Moment of inertiaIx
- 87410⁶ mm⁴
- Elastic section modulusSx
- 2,88010³ mm³
- Plastic section modulusZx
- 3,28010³ mm³
- Radius of gyrationrx
- 246mm
Weak axis y–y
- Moment of inertiaIy
- 34.310⁶ mm⁴
- Elastic section modulusSy
- 30210³ mm³
- Plastic section modulusZy
- 46910³ mm³
- Radius of gyrationry
- 48.8mm
Torsion and stability
- Torsional constantJ
- 1,12010³ mm⁴
- Warping constantCw
- 2,98010⁹ mm⁶
- Effective radius of gyrationrts
- 59.2mm
Slenderness ratios
- Flange slendernessbf/2tf
- 6.61
- Web slendernessh/tw
- 49