Flag indicating whether the asset describes a material that is thermally treated or not. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109) 
  Since:  2021 
Syntax
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Remarks
 Applies to Metal-based structural assets. 
 Exceptions
| Exception | Condition | 
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| Autodesk.Revit.Exceptions InapplicableDataException | When setting this property: the material type must be Metal to set this property. |