IR – wide flange (ASTM A6 W)
IR 1000x584
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 1,060mm
- Flange widthbf
- 315mm
- Web thicknesstw
- 36.1mm
- Flange thicknesstf
- 64mm
- Distance k (design)kdes
- 94mm
- Distance k (detailing)kdet
- 96.8mm
- Distance k1k1
- 49.2mm
- Web clear depthT
- 864mm
- Distance between flange centroidsho
- 993mm
Mass and area
- Mass per lengthm
- 584kg/m
- Cross-sectional areaA
- 74,800mm²
Strong axis x–x
- Moment of inertiaIx
- 12,40010⁶ mm⁴
- Elastic section modulusSx
- 23,60010³ mm³
- Plastic section modulusZx
- 28,00010³ mm³
- Radius of gyrationrx
- 409mm
Weak axis y–y
- Moment of inertiaIy
- 33410⁶ mm⁴
- Elastic section modulusSy
- 2,13010³ mm³
- Plastic section modulusZy
- 3,47010³ mm³
- Radius of gyrationry
- 67.1mm
Torsion and stability
- Torsional constantJ
- 71,60010³ mm⁴
- Warping constantCw
- 82,20010⁹ mm⁶
- Effective radius of gyrationrts
- 83.8mm
Slenderness ratios
- Flange slendernessbf/2tf
- 2.45
- Web slendernessh/tw
- 24.1