IR – wide flange (ASTM A6 W)
IR 1000x222
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 970mm
- Flange widthbf
- 300mm
- Web thicknesstw
- 16mm
- Flange thicknesstf
- 21.1mm
- Distance k (design)kdes
- 51.1mm
- Distance k (detailing)kdet
- 54mm
- Distance k1k1
- 38.1mm
- Web clear depthT
- 864mm
- Distance between flange centroidsho
- 950mm
Mass and area
- Mass per lengthm
- 222kg/m
- Cross-sectional areaA
- 28,300mm²
Strong axis x–x
- Moment of inertiaIx
- 4,08010⁶ mm⁴
- Elastic section modulusSx
- 8,41010³ mm³
- Plastic section modulusZx
- 9,80010³ mm³
- Radius of gyrationrx
- 381mm
Weak axis y–y
- Moment of inertiaIy
- 95.310⁶ mm⁴
- Elastic section modulusSy
- 63610³ mm³
- Plastic section modulusZy
- 1,02010³ mm³
- Radius of gyrationry
- 58.2mm
Torsion and stability
- Torsional constantJ
- 3,90010³ mm⁴
- Warping constantCw
- 21,50010⁹ mm⁶
- Effective radius of gyrationrts
- 73.4mm
Slenderness ratios
- Flange slendernessbf/2tf
- 7.11
- Web slendernessh/tw
- 54.3