IR – wide flange (ASTM A6 W)
IR 530x182
IR designation built from the metric W; cross-check with the IMCA Manual.
Dimensions
- Depthd
- 551mm
- Flange widthbf
- 315mm
- Web thicknesstw
- 15.2mm
- Flange thicknesstf
- 24.4mm
- Distance k (design)kdes
- 37.1mm
- Distance k (detailing)kdet
- 57.2mm
- Distance k1k1
- 38.1mm
- Web clear depthT
- 438mm
- Distance between flange centroidsho
- 526mm
Mass and area
- Mass per lengthm
- 182kg/m
- Cross-sectional areaA
- 23,200mm²
Strong axis x–x
- Moment of inertiaIx
- 1,23010⁶ mm⁴
- Elastic section modulusSx
- 4,47010³ mm³
- Plastic section modulusZx
- 5,03010³ mm³
- Radius of gyrationrx
- 231mm
Weak axis y–y
- Moment of inertiaIy
- 12710⁶ mm⁴
- Elastic section modulusSy
- 80610³ mm³
- Plastic section modulusZy
- 1,24010³ mm³
- Radius of gyrationry
- 74.2mm
Torsion and stability
- Torsional constantJ
- 3,74010³ mm⁴
- Warping constantCw
- 8,78010⁹ mm⁶
- Effective radius of gyrationrts
- 86.4mm
Slenderness ratios
- Flange slendernessbf/2tf
- 6.45
- Web slendernessh/tw
- 31.3