|  Structural  | 
 Returns thickness of flange measured in the 0.25 * (width - webThickess), sometimes used for sections with width > 300 mm. 
 Namespace: Autodesk.Revit.DB.Structure.StructuralSections
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
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